fix: Int64 overflow in JSON encoding (#37657)

issue: ##36621

- For simple types in a struct, add "string" to the JSON tag for
automatic string conversion during JSON encoding.
- For complex types in a struct, replace "int64" with "string."

Signed-off-by: jaime <yun.zhang@zilliz.com>

cmd/tools/migration/meta/210_to_220.go

@@ -262,7 +262,7 @@ func combineToSegmentIndexesMeta220(segmentIndexes SegmentIndexesMeta210, indexB
 				IndexState:     buildMeta.GetState(),
 				FailReason:     buildMeta.GetFailReason(),
 				IsDeleted:      buildMeta.GetMarkDeleted(),
-				CreateTime:    record.GetCreateTime(),
+				CreatedUTCTime: record.GetCreateTime(),
 				IndexFileKeys:  fileKeys,
 				IndexSize:      buildMeta.GetSerializeSize(),
 				WriteHandoff:   buildMeta.GetState() == commonpb.IndexState_Finished,

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/klauspost/compress v1.17.9
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d
-	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620
+	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f
 	github.com/minio/minio-go/v7 v7.0.73
 	github.com/pingcap/log v1.1.1-0.20221015072633-39906604fb81
 	github.com/prometheus/client_golang v1.14.0

go.sum

@@ -628,8 +628,8 @@ github.com/milvus-io/cgosymbolizer v0.0.0-20240722103217-b7dee0e50119 h1:9VXijWu
 github.com/milvus-io/cgosymbolizer v0.0.0-20240722103217-b7dee0e50119/go.mod h1:DvXTE/K/RtHehxU8/GtDs4vFtfw64jJ3PaCnFri8CRg=
 github.com/milvus-io/gorocksdb v0.0.0-20220624081344-8c5f4212846b h1:TfeY0NxYxZzUfIfYe5qYDBzt4ZYRqzUjTR6CvUzjat8=
 github.com/milvus-io/gorocksdb v0.0.0-20220624081344-8c5f4212846b/go.mod h1:iwW+9cWfIzzDseEBCCeDSN5SD16Tidvy8cwQ7ZY8Qj4=
-github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620 h1:0IWUDtDloift7cQHalhdjuVkL/3qSeiXFqR7MofZBkg=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f h1:yLxT8NH0ixUOJMqJuk0xvGf0cKsr+N2xibyTat256PI=
-github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
 github.com/milvus-io/pulsar-client-go v0.12.1 h1:O2JZp1tsYiO7C0MQ4hrUY/aJXnn2Gry6hpm7UodghmE=
 github.com/milvus-io/pulsar-client-go v0.12.1/go.mod h1:dkutuH4oS2pXiGm+Ti7fQZ4MRjrMPZ8IJeEGAWMeckk=
 github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8 h1:AMFGa4R4MiIpspGNG7Z948v4n35fFGB3RR3G/ry4FWs=

internal/datacoord/compaction_task_meta.go

@@ -19,10 +19,12 @@ package datacoord
 import (
 	"context"
 	"encoding/json"
+	"strconv"
 	"sync"
 	"time"
 
 	"github.com/hashicorp/golang-lru/v2/expirable"
+	"github.com/samber/lo"
 	"go.uber.org/zap"
 	"google.golang.org/protobuf/proto"
 
@@ -31,6 +33,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/log"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/timerecord"
+	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
 func newCompactionTaskStats(task *datapb.CompactionTask) *metricsinfo.CompactionTask {
@@ -40,11 +43,15 @@ func newCompactionTaskStats(task *datapb.CompactionTask) *metricsinfo.Compaction
 		Type:         task.Type.String(),
 		State:        task.State.String(),
 		FailReason:   task.FailReason,
-		StartTime:      task.StartTime,
+		StartTime:    typeutil.TimestampToString(uint64(task.StartTime)),
-		EndTime:        task.EndTime,
+		EndTime:      typeutil.TimestampToString(uint64(task.EndTime)),
 		TotalRows:    task.TotalRows,
-		InputSegments:  task.InputSegments,
+		InputSegments: lo.Map(task.InputSegments, func(t int64, i int) string {
-		ResultSegments: task.ResultSegments,
+			return strconv.FormatInt(t, 10)
+		}),
+		ResultSegments: lo.Map(task.ResultSegments, func(t int64, i int) string {
+			return strconv.FormatInt(t, 10)
+		}),
 	}
 }
 

internal/datacoord/compaction_trigger_test.go

@@ -319,7 +319,7 @@ func Test_compactionTrigger_force(t *testing.T) {
 									IndexState:     commonpb.IndexState_Finished,
 									FailReason:     "",
 									IsDeleted:      false,
-									CreateTime:    0,
+									CreatedUTCTime: 0,
 									IndexFileKeys:  nil,
 									IndexSize:      0,
 									WriteHandoff:   false,
@@ -338,7 +338,7 @@ func Test_compactionTrigger_force(t *testing.T) {
 									IndexState:     commonpb.IndexState_Finished,
 									FailReason:     "",
 									IsDeleted:      false,
-									CreateTime:    0,
+									CreatedUTCTime: 0,
 									IndexFileKeys:  nil,
 									IndexSize:      0,
 									WriteHandoff:   false,
@@ -357,7 +357,7 @@ func Test_compactionTrigger_force(t *testing.T) {
 									IndexState:     commonpb.IndexState_Finished,
 									FailReason:     "",
 									IsDeleted:      false,
-									CreateTime:    0,
+									CreatedUTCTime: 0,
 									IndexFileKeys:  nil,
 									IndexSize:      0,
 									WriteHandoff:   false,

internal/datacoord/garbage_collector_test.go

@@ -498,7 +498,7 @@ func createMetaForRecycleUnusedSegIndexes(catalog metastore.DataCoordCatalog) *m
 						IndexState:     commonpb.IndexState_Finished,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    10,
+						CreatedUTCTime: 10,
 						IndexFileKeys:  []string{"file1", "file2"},
 						IndexSize:      0,
 						WriteHandoff:   false,
@@ -517,7 +517,7 @@ func createMetaForRecycleUnusedSegIndexes(catalog metastore.DataCoordCatalog) *m
 						IndexState:     commonpb.IndexState_Finished,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    10,
+						CreatedUTCTime: 10,
 						IndexFileKeys:  []string{"file1", "file2"},
 						IndexSize:      0,
 						WriteHandoff:   false,
@@ -543,7 +543,7 @@ func createMetaForRecycleUnusedSegIndexes(catalog metastore.DataCoordCatalog) *m
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    10,
+		CreatedUTCTime: 10,
 		IndexFileKeys:  []string{"file1", "file2"},
 		IndexSize:      0,
 	})
@@ -560,7 +560,7 @@ func createMetaForRecycleUnusedSegIndexes(catalog metastore.DataCoordCatalog) *m
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    10,
+		CreatedUTCTime: 10,
 		IndexFileKeys:  []string{"file1", "file2"},
 		IndexSize:      0,
 	})
@@ -663,7 +663,7 @@ func createMetaTableForRecycleUnusedIndexFiles(catalog *datacoord.Catalog) *meta
 						IndexState:     commonpb.IndexState_Finished,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    10,
+						CreatedUTCTime: 10,
 						IndexFileKeys:  []string{"file1", "file2"},
 						IndexSize:      0,
 						WriteHandoff:   false,
@@ -682,7 +682,7 @@ func createMetaTableForRecycleUnusedIndexFiles(catalog *datacoord.Catalog) *meta
 						IndexState:     commonpb.IndexState_InProgress,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    10,
+						CreatedUTCTime: 10,
 						IndexFileKeys:  nil,
 						IndexSize:      0,
 						WriteHandoff:   false,
@@ -721,7 +721,7 @@ func createMetaTableForRecycleUnusedIndexFiles(catalog *datacoord.Catalog) *meta
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    10,
+		CreatedUTCTime: 10,
 		IndexFileKeys:  []string{"file1", "file2"},
 		IndexSize:      0,
 		WriteHandoff:   false,
@@ -738,7 +738,7 @@ func createMetaTableForRecycleUnusedIndexFiles(catalog *datacoord.Catalog) *meta
 		IndexState:     commonpb.IndexState_InProgress,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    10,
+		CreatedUTCTime: 10,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 		WriteHandoff:   false,
@@ -1063,7 +1063,7 @@ func TestGarbageCollector_clearETCD(t *testing.T) {
 						IndexState:     commonpb.IndexState_Finished,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    0,
+						CreatedUTCTime: 0,
 						IndexFileKeys:  []string{"file1", "file2"},
 						IndexSize:      1024,
 						WriteHandoff:   false,
@@ -1082,7 +1082,7 @@ func TestGarbageCollector_clearETCD(t *testing.T) {
 						IndexState:     commonpb.IndexState_Finished,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    0,
+						CreatedUTCTime: 0,
 						IndexFileKeys:  []string{"file3", "file4"},
 						IndexSize:      1024,
 						WriteHandoff:   false,
@@ -1149,7 +1149,7 @@ func TestGarbageCollector_clearETCD(t *testing.T) {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  []string{"file1", "file2"},
 		IndexSize:      1024,
 		WriteHandoff:   false,
@@ -1167,7 +1167,7 @@ func TestGarbageCollector_clearETCD(t *testing.T) {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  []string{"file3", "file4"},
 		IndexSize:      1024,
 		WriteHandoff:   false,

internal/datacoord/index_meta.go

@@ -43,6 +43,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/log"
 	"github.com/milvus-io/milvus/pkg/metrics"
 	"github.com/milvus-io/milvus/pkg/util/indexparams"
+	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/timerecord"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
@@ -63,20 +64,8 @@ type indexMeta struct {
 	segmentIndexes map[UniqueID]map[UniqueID]*model.SegmentIndex
 }
 
-type indexTaskStats struct {
+func newIndexTaskStats(s *model.SegmentIndex) *metricsinfo.IndexTaskStats {
-	IndexID      UniqueID `json:"index_id,omitempty"`
+	return &metricsinfo.IndexTaskStats{
-	CollectionID UniqueID `json:"collection_id,omitempty"`
-	SegmentID    UniqueID `json:"segment_id,omitempty"`
-	BuildID      UniqueID `json:"build_id,omitempty"`
-	IndexState   string   `json:"index_state,omitempty"`
-	FailReason   string   `json:"fail_reason,omitempty"`
-	IndexSize    uint64   `json:"index_size,omitempty"`
-	IndexVersion int64    `json:"index_version,omitempty"`
-	CreateTime   uint64   `json:"create_time,omitempty"`
-}
-
-func newIndexTaskStats(s *model.SegmentIndex) *indexTaskStats {
-	return &indexTaskStats{
 		IndexID:        s.IndexID,
 		CollectionID:   s.CollectionID,
 		SegmentID:      s.SegmentID,
@@ -85,7 +74,7 @@ func newIndexTaskStats(s *model.SegmentIndex) *indexTaskStats {
 		FailReason:     s.FailReason,
 		IndexSize:      s.IndexSize,
 		IndexVersion:   s.IndexVersion,
-		CreateTime:   s.CreateTime,
+		CreatedUTCTime: typeutil.TimestampToString(s.CreatedUTCTime),
 	}
 }
 
@@ -94,7 +83,7 @@ type segmentBuildInfo struct {
 	// buildID -> segmentIndex
 	buildID2SegmentIndex map[UniqueID]*model.SegmentIndex
 	// taskStats records the task stats of the segment
-	taskStats *expirable.LRU[UniqueID, *indexTaskStats]
+	taskStats *expirable.LRU[UniqueID, *metricsinfo.IndexTaskStats]
 }
 
 func newSegmentIndexBuildInfo() *segmentBuildInfo {
@@ -102,7 +91,7 @@ func newSegmentIndexBuildInfo() *segmentBuildInfo {
 		// build ID -> segment index
 		buildID2SegmentIndex: make(map[UniqueID]*model.SegmentIndex),
 		// build ID -> task stats
-		taskStats: expirable.NewLRU[UniqueID, *indexTaskStats](64, nil, time.Minute*30),
+		taskStats: expirable.NewLRU[UniqueID, *metricsinfo.IndexTaskStats](64, nil, time.Minute*30),
 	}
 }
 
@@ -124,7 +113,7 @@ func (m *segmentBuildInfo) List() map[UniqueID]*model.SegmentIndex {
 	return m.buildID2SegmentIndex
 }
 
-func (m *segmentBuildInfo) GetTaskStats() []*indexTaskStats {
+func (m *segmentBuildInfo) GetTaskStats() []*metricsinfo.IndexTaskStats {
 	return m.taskStats.Values()
 }
 

internal/datacoord/index_meta_test.go

@@ -37,6 +37,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/indexpb"
 	"github.com/milvus-io/milvus/internal/proto/workerpb"
 	"github.com/milvus-io/milvus/pkg/common"
+	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 )
 
 func TestReloadFromKV(t *testing.T) {
@@ -527,7 +528,7 @@ func TestMeta_AddSegmentIndex(t *testing.T) {
 		IndexState:     0,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    12,
+		CreatedUTCTime: 12,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	}
@@ -674,7 +675,7 @@ func TestMeta_GetSegmentIndexState(t *testing.T) {
 			IndexState:     commonpb.IndexState_Unissued,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    12,
+			CreatedUTCTime: 12,
 			IndexFileKeys:  nil,
 			IndexSize:      0,
 		})
@@ -696,7 +697,7 @@ func TestMeta_GetSegmentIndexState(t *testing.T) {
 			IndexState:     commonpb.IndexState_Finished,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    12,
+			CreatedUTCTime: 12,
 			IndexFileKeys:  nil,
 			IndexSize:      0,
 		})
@@ -744,7 +745,7 @@ func TestMeta_GetIndexedSegment(t *testing.T) {
 				IndexState:     commonpb.IndexState_Finished,
 				FailReason:     "",
 				IsDeleted:      false,
-				CreateTime:    10,
+				CreatedUTCTime: 10,
 				IndexFileKeys:  nil,
 				IndexSize:      0,
 			},
@@ -780,7 +781,7 @@ func TestMeta_GetIndexedSegment(t *testing.T) {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    10,
+		CreatedUTCTime: 10,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	})
@@ -1102,7 +1103,7 @@ func TestMeta_GetIndexJob(t *testing.T) {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	})
@@ -1190,7 +1191,7 @@ func updateSegmentIndexMeta(t *testing.T) *indexMeta {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	})
@@ -1211,7 +1212,7 @@ func updateSegmentIndexMeta(t *testing.T) *indexMeta {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    0,
+					CreatedUTCTime: 0,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 				},
@@ -1528,7 +1529,7 @@ func TestBuildIndexTaskStatsJSON(t *testing.T) {
 		FailReason:     "",
 		IndexSize:      1024,
 		IndexVersion:   1,
-		CreateTime:   uint64(time.Now().Unix()),
+		CreatedUTCTime: uint64(time.Now().Unix()),
 	}
 	si2 := &model.SegmentIndex{
 		BuildID:        2,
@@ -1539,7 +1540,7 @@ func TestBuildIndexTaskStatsJSON(t *testing.T) {
 		FailReason:     "",
 		IndexSize:      2048,
 		IndexVersion:   1,
-		CreateTime:   uint64(time.Now().Unix()),
+		CreatedUTCTime: uint64(time.Now().Unix()),
 	}
 
 	actualJSON := im.TaskStatsJSON()
@@ -1553,7 +1554,7 @@ func TestBuildIndexTaskStatsJSON(t *testing.T) {
 	assert.True(t, ok)
 	assert.EqualValues(t, si1, ret1)
 
-	expectedTasks := []*indexTaskStats{
+	expectedTasks := []*metricsinfo.IndexTaskStats{
 		newIndexTaskStats(si1),
 		newIndexTaskStats(si2),
 	}

internal/datacoord/index_service.go

@@ -70,7 +70,7 @@ func (s *Server) createIndexForSegment(segment *SegmentInfo, indexID UniqueID) e
 		NumRows:        segment.NumOfRows,
 		IndexID:        indexID,
 		BuildID:        buildID,
-		CreateTime:   uint64(segment.ID),
+		CreatedUTCTime: uint64(time.Now().Unix()),
 		WriteHandoff:   false,
 	}
 	if err = s.meta.indexMeta.AddSegmentIndex(segIndex); err != nil {

internal/datacoord/index_service_test.go

@@ -411,7 +411,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexState:     commonpb.IndexState_Finished,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    createTS,
+					CreatedUTCTime: createTS,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 					WriteHandoff:   false,
@@ -428,7 +428,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexState:     commonpb.IndexState_Finished,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    createTS,
+					CreatedUTCTime: createTS,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 					WriteHandoff:   false,
@@ -445,7 +445,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexState:     commonpb.IndexState_InProgress,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    createTS,
+					CreatedUTCTime: createTS,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 					WriteHandoff:   false,
@@ -462,7 +462,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexState:     commonpb.IndexState_Failed,
 					FailReason:     "mock failed",
 					IsDeleted:      false,
-					CreateTime:    createTS,
+					CreatedUTCTime: createTS,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 					WriteHandoff:   false,
@@ -479,7 +479,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    createTS,
+					CreatedUTCTime: createTS,
 					IndexFileKeys:  nil,
 					IndexSize:      0,
 					WriteHandoff:   false,
@@ -496,7 +496,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					NodeID:         0,
 					IndexVersion:   1,
 					IndexState:     commonpb.IndexState_Finished,
-					CreateTime:   createTS,
+					CreatedUTCTime: createTS,
 				},
 				indexID + 1: {
 					SegmentID:      segID,
@@ -508,7 +508,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					NodeID:         0,
 					IndexVersion:   1,
 					IndexState:     commonpb.IndexState_Finished,
-					CreateTime:   createTS,
+					CreatedUTCTime: createTS,
 				},
 				indexID + 3: {
 					SegmentID:      segID,
@@ -520,7 +520,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					NodeID:         0,
 					IndexVersion:   1,
 					IndexState:     commonpb.IndexState_InProgress,
-					CreateTime:   createTS,
+					CreatedUTCTime: createTS,
 				},
 				indexID + 4: {
 					SegmentID:      segID,
@@ -533,7 +533,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					IndexVersion:   1,
 					IndexState:     commonpb.IndexState_Failed,
 					FailReason:     "mock failed",
-					CreateTime:   createTS,
+					CreatedUTCTime: createTS,
 				},
 				indexID + 5: {
 					SegmentID:      segID,
@@ -545,7 +545,7 @@ func TestServer_AlterIndex(t *testing.T) {
 					NodeID:         0,
 					IndexVersion:   1,
 					IndexState:     commonpb.IndexState_Finished,
-					CreateTime:   createTS,
+					CreatedUTCTime: createTS,
 				},
 			},
 		},
@@ -819,7 +819,7 @@ func TestServer_GetIndexState(t *testing.T) {
 						IndexState:     commonpb.IndexState_IndexStateNone,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    0,
+						CreatedUTCTime: 0,
 						IndexFileKeys:  nil,
 						IndexSize:      0,
 						WriteHandoff:   false,
@@ -944,7 +944,7 @@ func TestServer_GetSegmentIndexState(t *testing.T) {
 			IndexState:     commonpb.IndexState_InProgress,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    createTS,
+			CreatedUTCTime: createTS,
 			IndexFileKeys:  []string{"file1", "file2"},
 			IndexSize:      1025,
 			WriteHandoff:   false,
@@ -981,7 +981,7 @@ func TestServer_GetSegmentIndexState(t *testing.T) {
 			IndexState:     commonpb.IndexState_Finished,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    createTS,
+			CreatedUTCTime: createTS,
 			IndexFileKeys:  []string{"file1", "file2"},
 			IndexSize:      1025,
 			WriteHandoff:   false,
@@ -1103,7 +1103,7 @@ func TestServer_GetIndexBuildProgress(t *testing.T) {
 			IndexState:     commonpb.IndexState_Finished,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    createTS,
+			CreatedUTCTime: createTS,
 			IndexFileKeys:  []string{"file1", "file2"},
 			IndexSize:      0,
 			WriteHandoff:   false,
@@ -1365,7 +1365,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexState:     commonpb.IndexState_Finished,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1382,7 +1382,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexState:     commonpb.IndexState_Finished,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1399,7 +1399,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexState:     commonpb.IndexState_InProgress,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1416,7 +1416,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexState:     commonpb.IndexState_Failed,
 							FailReason:     "mock failed",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1433,7 +1433,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexState:     commonpb.IndexState_Unissued,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1450,7 +1450,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							NodeID:         0,
 							IndexVersion:   1,
 							IndexState:     commonpb.IndexState_Finished,
-							CreateTime:   createTS,
+							CreatedUTCTime: createTS,
 						},
 						indexID + 1: {
 							SegmentID:      segID - 1,
@@ -1462,7 +1462,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							NodeID:         0,
 							IndexVersion:   1,
 							IndexState:     commonpb.IndexState_Finished,
-							CreateTime:   createTS,
+							CreatedUTCTime: createTS,
 						},
 						indexID + 3: {
 							SegmentID:      segID - 1,
@@ -1474,7 +1474,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							NodeID:         0,
 							IndexVersion:   1,
 							IndexState:     commonpb.IndexState_InProgress,
-							CreateTime:   createTS,
+							CreatedUTCTime: createTS,
 						},
 						indexID + 4: {
 							SegmentID:      segID - 1,
@@ -1487,7 +1487,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							IndexVersion:   1,
 							IndexState:     commonpb.IndexState_Failed,
 							FailReason:     "mock failed",
-							CreateTime:   createTS,
+							CreatedUTCTime: createTS,
 						},
 						indexID + 5: {
 							SegmentID:      segID - 1,
@@ -1499,7 +1499,7 @@ func TestServer_DescribeIndex(t *testing.T) {
 							NodeID:         0,
 							IndexVersion:   1,
 							IndexState:     commonpb.IndexState_Finished,
-							CreateTime:   createTS,
+							CreatedUTCTime: createTS,
 						},
 					},
 				},
@@ -1870,7 +1870,7 @@ func TestServer_GetIndexStatistics(t *testing.T) {
 							IndexState:     commonpb.IndexState_Finished,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1887,7 +1887,7 @@ func TestServer_GetIndexStatistics(t *testing.T) {
 							IndexState:     commonpb.IndexState_Finished,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1904,7 +1904,7 @@ func TestServer_GetIndexStatistics(t *testing.T) {
 							IndexState:     commonpb.IndexState_InProgress,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1921,7 +1921,7 @@ func TestServer_GetIndexStatistics(t *testing.T) {
 							IndexState:     commonpb.IndexState_Failed,
 							FailReason:     "mock failed",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -1938,7 +1938,7 @@ func TestServer_GetIndexStatistics(t *testing.T) {
 							IndexState:     commonpb.IndexState_Unissued,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,
@@ -2262,7 +2262,7 @@ func TestServer_GetIndexInfos(t *testing.T) {
 							IndexState:     commonpb.IndexState_Finished,
 							FailReason:     "",
 							IsDeleted:      false,
-							CreateTime:    createTS,
+							CreatedUTCTime: createTS,
 							IndexFileKeys:  nil,
 							IndexSize:      0,
 							WriteHandoff:   false,

internal/datacoord/metrics_info.go

@@ -37,6 +37,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/util/merr"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 	"github.com/milvus-io/milvus/pkg/util/uniquegenerator"
 )
@@ -91,7 +92,7 @@ func (s *Server) getChannelsJSON(ctx context.Context, req *milvuspb.GetMetricsRe
 	channel2Checkpoints := s.meta.GetChannelCheckpoints()
 	for _, channel := range channels {
 		if cp, ok := channel2Checkpoints[channel.Name]; ok {
-			channel.CheckpointTS = typeutil.TimestampToString(cp.GetTimestamp())
+			channel.CheckpointTS = tsoutil.PhysicalTimeFormat(cp.GetTimestamp())
 		} else {
 			log.Warn("channel not found in meta cache", zap.String("channel", channel.Name))
 		}
@@ -139,15 +140,11 @@ func (s *Server) getDistJSON(ctx context.Context, req *milvuspb.GetMetricsReques
 			dmChannel := metrics.NewDMChannelFrom(chInfo.GetVchan())
 			dmChannel.NodeID = nodeID
 			dmChannel.WatchState = chInfo.State.String()
-			dmChannel.StartWatchTS = chInfo.GetStartTs()
+			dmChannel.StartWatchTS = typeutil.TimestampToString(uint64(chInfo.GetStartTs()))
 			channels = append(channels, dmChannel)
 		}
 	}
 
-	if len(segments) == 0 && len(channels) == 0 {
-		return ""
-	}
-
 	dist := &metricsinfo.DataCoordDist{
 		Segments:   segments,
 		DMChannels: channels,

internal/datacoord/metrics_info_test.go

@@ -34,6 +34,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/util/merr"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -216,8 +217,8 @@ func TestGetSyncTaskMetrics(t *testing.T) {
 				SegmentID:     1,
 				BatchRows:     100,
 				SegmentLevel:  "L0",
-				TSFrom:        1000,
+				TSFrom:        "t1",
-				TSTo:          2000,
+				TSTo:          "t2",
 				DeltaRowCount: 10,
 				FlushSize:     1024,
 				RunningTime:   "2h",
@@ -502,7 +503,7 @@ func TestGetChannelsJSON(t *testing.T) {
 				Name:         "channel1",
 				CollectionID: 100,
 				NodeID:       1,
-				CheckpointTS: typeutil.TimestampToString(1000),
+				CheckpointTS: tsoutil.PhysicalTimeFormat(1000),
 			},
 		}
 		channelsBytes, err = json.Marshal(channels)
@@ -678,7 +679,7 @@ func TestGetDistJSON(t *testing.T) {
 		cm.EXPECT().GetChannelWatchInfos().Return(map[int64]map[string]*datapb.ChannelWatchInfo{})
 
 		svr.channelManager = cm
-		expectedJSON := ""
+		expectedJSON := "{}"
 		actualJSON := svr.getDistJSON(ctx, req)
 		assert.Equal(t, expectedJSON, actualJSON)
 	})

internal/datacoord/server_test.go

@@ -1618,7 +1618,7 @@ func TestGetRecoveryInfo(t *testing.T) {
 			IndexState:     commonpb.IndexState_Finished,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    0,
+			CreatedUTCTime: 0,
 			IndexFileKeys:  nil,
 			IndexSize:      0,
 		})

internal/datacoord/services_test.go

@@ -1269,7 +1269,7 @@ func TestGetRecoveryInfoV2(t *testing.T) {
 			IndexState:     commonpb.IndexState_Finished,
 			FailReason:     "",
 			IsDeleted:      false,
-			CreateTime:    0,
+			CreatedUTCTime: 0,
 			IndexFileKeys:  nil,
 			IndexSize:      0,
 		})

internal/datacoord/task_scheduler_test.go

@@ -69,7 +69,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -86,7 +86,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_InProgress,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -103,7 +103,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_InProgress,
 		FailReason:     "",
 		IsDeleted:      true,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -120,7 +120,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -137,7 +137,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -154,7 +154,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -171,7 +171,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Finished,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -188,7 +188,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Failed,
 		FailReason:     "error",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -205,7 +205,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_InProgress,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -222,7 +222,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -239,7 +239,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    1111,
+		CreatedUTCTime: 1111,
 		IndexFileKeys:  nil,
 		IndexSize:      1,
 	})
@@ -289,7 +289,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    0,
+					CreatedUTCTime: 0,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -307,7 +307,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_InProgress,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -325,7 +325,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_InProgress,
 					FailReason:     "",
 					IsDeleted:      true,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -343,7 +343,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -361,7 +361,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Finished,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -379,7 +379,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Finished,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -397,7 +397,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Finished,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -415,7 +415,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Failed,
 					FailReason:     "error",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -433,7 +433,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_InProgress,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -451,7 +451,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -469,7 +469,7 @@ func createIndexMeta(catalog metastore.DataCoordCatalog) *indexMeta {
 					IndexState:     commonpb.IndexState_Unissued,
 					FailReason:     "",
 					IsDeleted:      false,
-					CreateTime:    1111,
+					CreatedUTCTime: 1111,
 					IndexFileKeys:  nil,
 					IndexSize:      1,
 				},
@@ -1552,7 +1552,7 @@ func (s *taskSchedulerSuite) Test_indexTaskWithMvOptionalScalarField() {
 						IndexState:     commonpb.IndexState_Unissued,
 						FailReason:     "",
 						IsDeleted:      false,
-						CreateTime:    0,
+						CreatedUTCTime: 0,
 						IndexFileKeys:  nil,
 						IndexSize:      0,
 					},
@@ -1594,7 +1594,7 @@ func (s *taskSchedulerSuite) Test_indexTaskWithMvOptionalScalarField() {
 		IndexState:     commonpb.IndexState_Unissued,
 		FailReason:     "",
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	})

internal/distributed/proxy/httpserver/handler.go

@@ -27,9 +27,6 @@ func (h *Handlers) RegisterRoutesTo(router gin.IRouter) {
 	router.GET("/health", wrapHandler(h.handleGetHealth))
 	router.POST("/dummy", wrapHandler(h.handleDummy))
 
-	router.GET("/databases", wrapHandler(h.handleListDatabases))
-	router.GET("/database", wrapHandler(h.handleDescribeDatabases))
-
 	router.POST("/collection", wrapHandler(h.handleCreateCollection))
 	router.DELETE("/collection", wrapHandler(h.handleDropCollection))
 	router.GET("/collection/existence", wrapHandler(h.handleHasCollection))
@@ -99,24 +96,6 @@ func (h *Handlers) handleDummy(c *gin.Context) (interface{}, error) {
 	return h.proxy.Dummy(c, &req)
 }
 
-func (h *Handlers) handleListDatabases(c *gin.Context) (interface{}, error) {
-	req := milvuspb.ListDatabasesRequest{}
-	err := shouldBind(c, &req)
-	if err != nil {
-		return nil, fmt.Errorf("%w: parse body failed: %v", errBadRequest, err)
-	}
-	return h.proxy.ListDatabases(c, &req)
-}
-
-func (h *Handlers) handleDescribeDatabases(c *gin.Context) (interface{}, error) {
-	req := milvuspb.DescribeDatabaseRequest{}
-	err := shouldBind(c, &req)
-	if err != nil {
-		return nil, fmt.Errorf("%w: parse body failed: %v", errBadRequest, err)
-	}
-	return h.proxy.DescribeDatabase(c, &req)
-}
-
 func (h *Handlers) handleCreateCollection(c *gin.Context) (interface{}, error) {
 	wrappedReq := WrappedCreateCollectionRequest{}
 	err := shouldBind(c, &wrappedReq)

internal/distributed/proxy/service.go

@@ -456,13 +456,6 @@ func (s *Server) init() error {
 		}
 	}
 
-	if HTTPParams.Enabled.GetAsBool() {
-		registerHTTPHandlerOnce.Do(func() {
-			log.Info("register Proxy http server")
-			s.registerHTTPServer()
-		})
-	}
-
 	if s.rootCoordClient == nil {
 		var err error
 		log.Debug("create RootCoord client for Proxy")
@@ -529,6 +522,13 @@ func (s *Server) init() error {
 	s.proxy.SetQueryCoordClient(s.queryCoordClient)
 	log.Debug("set QueryCoord client for Proxy done")
 
+	if HTTPParams.Enabled.GetAsBool() {
+		registerHTTPHandlerOnce.Do(func() {
+			log.Info("register Proxy http server")
+			s.registerHTTPServer()
+		})
+	}
+
 	log.Debug(fmt.Sprintf("update Proxy's state to %s", commonpb.StateCode_Initializing.String()))
 	s.proxy.UpdateStateCode(commonpb.StateCode_Initializing)
 

internal/flushcommon/pipeline/flow_graph_manager.go

@@ -28,6 +28,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/metrics"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -127,7 +128,7 @@ func (fm *fgManagerImpl) GetChannelsJSON() string {
 		channels = append(channels, &metricsinfo.Channel{
 			Name:           ch,
 			WatchState:     ds.fg.Status(),
-			LatestTimeTick: typeutil.TimestampToString(latestTimeTick),
+			LatestTimeTick: tsoutil.PhysicalTimeFormat(latestTimeTick),
 			NodeID:         paramtable.GetNodeID(),
 			CollectionID:   ds.metacache.Collection(),
 		})

internal/flushcommon/pipeline/flow_graph_manager_test.go

@@ -43,6 +43,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/mq/msgstream"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -182,7 +183,7 @@ func TestGetChannelsJSON(t *testing.T) {
 		{
 			Name:           "fake-ch-_1",
 			WatchState:     "Healthy",
-			LatestTimeTick: typeutil.TimestampToString(0),
+			LatestTimeTick: tsoutil.PhysicalTimeFormat(0),
 			NodeID:         paramtable.GetNodeID(),
 			CollectionID:   1,
 		},

internal/flushcommon/syncmgr/task.go

@@ -42,6 +42,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
 	"github.com/milvus-io/milvus/pkg/util/retry"
 	"github.com/milvus-io/milvus/pkg/util/timerecord"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -422,8 +423,8 @@ func (t *SyncTask) MarshalJSON() ([]byte, error) {
 		SegmentID:     t.segmentID,
 		BatchRows:     t.batchRows,
 		SegmentLevel:  t.level.String(),
-		TSFrom:        t.tsFrom,
+		TSFrom:        tsoutil.PhysicalTimeFormat(t.tsFrom),
-		TSTo:          t.tsTo,
+		TSTo:          tsoutil.PhysicalTimeFormat(t.tsTo),
 		DeltaRowCount: t.deltaRowCount,
 		FlushSize:     t.flushedSize,
 		RunningTime:   t.execTime.String(),

internal/flushcommon/syncmgr/task_test.go

@@ -400,8 +400,8 @@ func (s *SyncTaskSuite) TestSyncTask_MarshalJSON() {
 		SegmentID:     t.segmentID,
 		BatchRows:     t.batchRows,
 		SegmentLevel:  t.level.String(),
-		TSFrom:        t.tsFrom,
+		TSFrom:        tsoutil.PhysicalTimeFormat(t.tsFrom),
-		TSTo:          t.tsTo,
+		TSTo:          tsoutil.PhysicalTimeFormat(t.tsTo),
 		DeltaRowCount: t.deltaRowCount,
 		FlushSize:     t.flushedSize,
 		RunningTime:   t.execTime.String(),

internal/http/router.go

@@ -109,4 +109,14 @@ const (
 	DNSegmentsPath = "/_dn/segments"
 	// DNChannelsPath is the path to get channels in DataNode.
 	DNChannelsPath = "/_dn/channels"
+
+	// DatabaseListPath is the path to get all databases.
+	DatabaseListPath = "/_db/list"
+	//	DatabaseDescPath is the path to get database description.
+	DatabaseDescPath = "/_db/desc"
+
+	// CollectionListPath is the path to get all collections.
+	CollectionListPath = "/_collection/list"
+	// CollectionDescPath is the path to get collection description.
+	CollectionDescPath = "/_collection/desc"
 )

internal/http/webui/collections.html

@@ -99,7 +99,7 @@
     //         handleError(error);
     //     });
 
-    fetchData(MILVUS_URI + "/databases", databases)
+    fetchData(MILVUS_URI + "/_db/list", listDatabaseData)
         .then(data => {
             databaseData = data;
             renderDatabases(startPage, paginationSize)

internal/http/webui/static/js/common.js

@@ -31,21 +31,11 @@ const handleError = (error) => {
     // window.location.href = `5xx.html?error=${errorMessage}`;
 };
 
-const fetchData = (url, localData, kvParams) => {
+const fetchData = (url, localData) => {
     if (DEBUG_MODE) {
         return new Promise((resolve) => {
             resolve(JSON.parse(localData));
         });
-    } else if (kvParams && kvParams.length !== 0) {
-        return fetch(url, {
-            method: 'POST',
-            headers: {
-                'Accept': 'application/json',
-                'Content-Type': 'application/json',
-            },
-            mode: 'no-cors',
-            body: JSON.stringify(kvParams)
-        }).then(response => response.json())
     } else {
         return fetch(url).then(response => {
             return response.json();
@@ -63,17 +53,3 @@ function getQueryParams() {
     });
     return params;
 }
-
-function formatTimestamp(timestamp) {
-    const date = new Date(timestamp); // Convert timestamp to a Date object
-    // Format the date components
-    const year = date.getFullYear();
-    const month = ('0' + (date.getMonth() + 1)).slice(-2); // Months are zero-indexed
-    const day = ('0' + date.getDate()).slice(-2);
-    const hours = ('0' + date.getHours()).slice(-2);
-    const minutes = ('0' + date.getMinutes()).slice(-2);
-    const seconds = ('0' + date.getSeconds()).slice(-2);
-
-    // Return formatted date string
-    return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
-}

internal/http/webui/static/js/mockdata.js

@@ -445,38 +445,67 @@ const mconfigs = `
 }
 `;
 
-const collections =`
+const listCollectionData =`
 {
-  "status": {
-    "error_code": "Success",
-    "reason": ""
-  },
   "collection_names": [
-    "collection1",
+    "collection_1",
-    "collection2",
+    "collection_2",
-    "collection3",
+    "collection_3",
-    "collection4",
+    "collection_4",
-    "collection5",
+    "collection_5",
-    "collection6",
+    "collection_6",
-    "collection7",
+    "collection_7",
-    "collection8",
+    "collection_8",
-    "collection9",
+    "collection_9",
-    "collection10"
+    "collection_10"
   ],
   "collection_ids": [
-    1, 2, 3, 4, 5, 6, 7, 8, 9, 10
+    "1",
-  ],
+    "2",
-  "created_timestamps": [
+    "3",
-    1633036800, 1633123200, 1633209600, 1633296000, 1633382400, 1633468800, 1633555200, 1633641600, 1633728000, 1633814400
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10"
   ],
   "created_utc_timestamps": [
-    1633036800, 1633123200, 1633209600, 1633296000, 1633382400, 1633468800, 1633555200, 1633641600, 1633728000, 1633814400
+    "2021-10-01 00:00:00",
+    "2021-10-02 00:00:00",
+    "2021-10-03 00:00:00",
+    "2021-10-04 00:00:00",
+    "2021-10-05 00:00:00",
+    "2021-10-06 00:00:00",
+    "2021-10-07 00:00:00",
+    "2021-10-08 00:00:00",
+    "2021-10-09 00:00:00",
+    "2021-10-10 00:00:00"
   ],
   "inMemory_percentages": [
-    100, 90, 80, 70, 60, 50, 40, 30, 20, 10
+    100,
+    90,
+    80,
+    70,
+    60,
+    50,
+    40,
+    30,
+    20,
+    10
   ],
   "query_service_available": [
-    true, false, false, false, false, false, false, false, false, false
+    true,
+    true,
+    true,
+    true,
+    true,
+    false,
+    false,
+    false,
+    false,
+    false
   ]
 }
 `
@@ -556,63 +585,57 @@ const collectionRequest = `
 ]
 `
 
-const describeCollectionResp = `
+const describeCollectionData = `
 {
-  "status": {
+  "collection_id": "1",
-    "error_code": 0,
+  "collection_name": "example_collection",
-    "reason": "Success"
+  "created_time": "2021-10-01 00:00:00",
+  "shards_num": 2,
+  "consistency_level": "Strong",
+  "aliases": ["alias1", "alias2"],
+  "properties": {
+    "property_key": "property_value"
   },
-  "schema": {
+  "db_name": "example_db",
-    "name": "example_collection",
+  "num_partitions": 3,
-    "description": "This is an example collection schema",
+  "virtual_channel_names": ["v_channel1", "v_channel2"],
+  "physical_channel_names": ["p_channel1", "p_channel2"],
+  "partition_infos": [
+    {
+      "partition_name": "partition1",
+      "partition_id": "1",
+      "created_utc_timestamp": "2021-10-01 00:00:00"
+    }
+  ],
+  "enable_dynamic_field": true,
   "fields": [
     {
+      "field_id": "1",
       "name": "field1",
-        "data_type": "INT64",
       "is_primary_key": true,
-        "auto_id": false
+      "description": "description1",
+      "data_type": "int64",
+      "type_params": {
+        "param_key": "param_value"
       },
-      {
+      "index_params": {
-        "name": "field2",
+        "index_key": "index_value"
-        "data_type": "FLOAT",
+      },
-        "is_primary_key": false,
+      "auto_id": false,
-        "auto_id": false
+      "element_type": "element_type1",
+      "default_value": "default_value1",
+      "is_dynamic": false,
+      "is_partition_key": false,
+      "is_clustering_key": false,
+      "nullable": true,
+      "is_function_output": false
     }
   ]
-  },
-  "collectionID": 12345,
-  "virtual_channel_names": ["vchan1", "vchan2"],
-  "physical_channel_names": ["pchan1", "pchan2"],
-  "created_timestamp": 1633036800,
-  "created_utc_timestamp": 1633036800,
-  "shards_num": 2,
-  "aliases": ["alias1", "alias2"],
-  "start_positions": [
-    {
-      "key": "start_key",
-      "data": "start_data"
-    }
-  ],
-  "consistency_level": 0,
-  "collection_name": "example_collection",
-  "properties": [
-    {
-      "key": "property_key",
-      "value": "property_value"
-    }
-  ],
-  "db_name": "example_db",
-  "num_partitions": 1,
-  "db_id": 1
 }
 `
 
-const databases = `
+const listDatabaseData = `
 {
-  "status": {
-    "error_code": "Success",
-    "reason": ""
-  },
   "db_names": [
     "database_1",
     "database_2",
@@ -625,33 +648,38 @@ const databases = `
     "database_9",
     "database_10"
   ],
-  "created_timestamp": [
-    1633036800,
-    1633123200,
-    1633209600,
-    1633296000,
-    1633382400,
-    1633468800,
-    1633555200,
-    1633641600,
-    1633728000,
-    1633814400
-  ],
   "db_ids": [
-    1, 2, 3, 4, 5, 6, 7, 8, 9, 10
+    "1",
+    "2",
+    "3",
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10"
+  ],
+  "created_timestamps": [
+    "2021-10-01 00:00:00",
+    "2021-10-02 00:00:00",
+    "2021-10-03 00:00:00",
+    "2021-10-04 00:00:00",
+    "2021-10-05 00:00:00",
+    "2021-10-06 00:00:00",
+    "2021-10-07 00:00:00",
+    "2021-10-08 00:00:00",
+    "2021-10-09 00:00:00",
+    "2021-10-10 00:00:00"
   ]
 }
 `
 
-const describeDatabaseResp = `
+const describeDatabaseData = `
 {
-  "status": {
-    "error_code": 0,
-    "reason": "Success"
-  },
   "db_name": "example_db",
-  "dbID": 1,
+  "db_id": 1,
-  "created_timestamp": 1633036800,
+  "created_timestamp": "2021-10-01 00:00:00",
   "properties": [
     {
       "key": "property_key",
@@ -679,7 +707,7 @@ const qcCurrentTargets = `
         "is_sorted": true,
         "node_id": 1,
         "is_invisible": false,
-        "loaded_timestamp": 1633072800,
+        "loaded_timestamp": "2021-10-01 00:00:00",
         "index": [
           {
             "field_id": 1,
@@ -701,20 +729,17 @@ const qcCurrentTargets = `
         "collection_id": 1,
         "channel_name": "channel1",
         "unflushed_segment_ids": [
-          1
+          "1"
         ],
         "flushed_segment_ids": [
-          2
+          "2"
         ],
         "dropped_segment_ids": [
-          3
+          "3"
         ],
         "level_zero_segment_ids": [
-          4
+          "4"
-        ],
+        ]
-        "partition_stats_versions": {
-          "1": 1
-        }
       }
     ]
   }
@@ -774,7 +799,7 @@ const qcDist = `
       "is_sorted": true,
       "node_id": 1,
       "is_invisible": false,
-      "loaded_timestamp": 1633072800,
+      "loaded_timestamp": "2021-10-01 00:00:00",
       "index": [
         {
           "field_id": 1,
@@ -798,15 +823,15 @@ const qcDist = `
       "version": 1,
       "collection_id": 1,
       "channel_name": "channel1",
-      "unflushed_segment_ids": [1],
+      "unflushed_segment_ids": ["1"],
-      "flushed_segment_ids": [2],
+      "flushed_segment_ids": ["2"],
-      "dropped_segment_ids": [3],
+      "dropped_segment_ids": ["3"],
-      "level_zero_segment_ids": [4],
+      "level_zero_segment_ids": ["4"],
       "partition_stats_versions": {
         "1": 1
       },
       "watch_state": "Healthy",
-      "start_watch_ts": 1633072800
+      "start_watch_ts": "2021-10-01 00:00:00"
     }
   ],
   "leader_views": [
@@ -830,7 +855,7 @@ const qcDist = `
           "is_sorted": true,
           "node_id": 1,
           "is_invisible": false,
-          "loaded_timestamp": 1633072800,
+          "loaded_timestamp": "2021-10-01 00:00:00",
           "index": [
             {
               "field_id": 1,
@@ -958,7 +983,7 @@ const qnSegments = `
     "is_sorted": true,
     "node_id": 1,
     "is_invisible": false,
-    "loaded_timestamp": 1620000000,
+    "loaded_timestamp": "2021-10-01 00:00:00",
     "index": [
       {
         "field_id": 1,
@@ -985,7 +1010,7 @@ const qnSegments = `
     "is_sorted": true,
     "node_id": 2,
     "is_invisible": false,
-    "loaded_timestamp": 1620000001,
+    "loaded_timestamp": "2021-10-01 00:00:00",
     "index": [
       {
         "field_id": 2,
@@ -1059,22 +1084,22 @@ const dc_dist = `
       "version": 1,
       "collection_id": 100,
       "channel_name": "channel1",
-      "unflushed_segment_ids": [1, 2, 3],
+      "unflushed_segment_ids": ["1", "2", "3"],
-      "flushed_segment_ids": [4, 5, 6],
+      "flushed_segment_ids": ["4", "5", "6"],
-      "dropped_segment_ids": [7, 8, 9],
+      "dropped_segment_ids": ["7", "8", "9"],
       "watch_state": "success",
-      "start_watch_ts": 123456789
+      "start_watch_ts": "2023-10-01 12:05:00"
     },
      {
       "node_id": 1,
       "version": 1,
       "collection_id": 100,
       "channel_name": "channel3",
-      "unflushed_segment_ids": [1, 2, 3],
+      "unflushed_segment_ids": ["1", "2", "3"],
-      "flushed_segment_ids": [4, 5, 6],
+      "flushed_segment_ids": ["4", "5", "6"],
-      "dropped_segment_ids": [7, 8, 9],
+      "dropped_segment_ids": ["7", "8", "9"],
       "watch_state": "to_watch",
-      "start_watch_ts": 123456789
+      "start_watch_ts": "2023-10-01 12:05:00"
     } 
   ]
 }
@@ -1090,7 +1115,7 @@ const dc_build_index_task = `
     "index_state": "Finished",
     "index_size": 1024,
     "index_version": 1,
-    "create_time": 1633036800
+    "create_time": "2023-10-01 12:05:00"
   },
   {
     "index_id": 2,
@@ -1101,7 +1126,7 @@ const dc_build_index_task = `
     "fail_reason": "Disk full",
     "index_size": 2048,
     "index_version": 2,
-    "create_time": 1633123200
+    "create_time": "2023-10-01 12:05:00"
   }
 ]`
 
@@ -1113,11 +1138,11 @@ const dc_compaction_task = `
     "type": "Merge",
     "state": "Completed",
     "fail_reason": "",
-    "start_time": 1620000000,
+    "start_time": "2023-10-01 12:05:00",
-    "end_time": 1620003600,
+    "end_time": "2023-10-01 12:06:00",
     "total_rows": 10000,
-    "input_segments": [1, 2, 3],
+    "input_segments": ["1", "2", "3"],
-    "result_segments": [4]
+    "result_segments": ["4"]
   },
   {
     "plan_id": 2,
@@ -1125,10 +1150,10 @@ const dc_compaction_task = `
     "type": "Merge",
     "state": "Failed",
     "fail_reason": "Disk full",
-    "start_time": 1620007200,
+    "start_time": "2023-10-01 12:05:00",
-    "end_time": 1620010800,
+    "end_time": "2023-10-01 12:06:00",
     "total_rows": 20000,
-    "input_segments": [5, 6, 7],
+    "input_segments": ["5", "6", "7"],
     "result_segments": []
   }
 ]`
@@ -1139,8 +1164,8 @@ const dn_sync_task = `
     "segment_id": 1,
     "batch_rows": 1000,
     "segment_level": "L1",
-    "ts_from": 1633036800,
+    "ts_from": "2023-10-01 12:05:00",
-    "ts_to": 1633040400,
+    "ts_to": "2023-10-01 12:06:00",
     "delta_row_count": 10,
     "flush_size": 1024,
     "running_time": "100000000",
@@ -1150,8 +1175,8 @@ const dn_sync_task = `
     "segment_id": 2,
     "batch_rows": 2000,
     "segment_level": "L2",
-    "ts_from": 1633123200,
+    "ts_from": "2023-10-01 12:05:00",
-    "ts_to": 1633126800,
+    "ts_to": "2023-10-01 12:06:00",
     "delta_row_count": 20,
     "flush_size": 2048,
     "running_time": "200000000",

internal/http/webui/static/js/render.js

@@ -126,7 +126,7 @@ function renderDatabases(currentPage, rowsPerPage) {
         tableHTML += '<tr>';
         tableHTML += `<td><a href="#" onclick="describeDatabase('${databaseData.db_names[i]}', ${i}, 'list-db')">${databaseData.db_names[i]}</a></td>`;
         tableHTML += `<td>${databaseData.db_ids? databaseData.db_ids[i] : 0}</td>`;
-        tableHTML += `<td>${databaseData.created_timestamp? formatTimestamp(databaseData.created_timestamp[i]) : ''}</td>`;
+        tableHTML += `<td>${databaseData.created_timestamps[i]}</td>`;
         tableHTML += '</tr>';
 
         // Hidden row for displaying collection details as JSON
@@ -165,7 +165,7 @@ function renderDatabases(currentPage, rowsPerPage) {
 }
 
 function describeDatabase(databaseName, rowIndex, type) {
-    fetchData(`${MILVUS_URI}/database?db_name=${databaseName}`, describeDatabaseResp)
+    fetchData(`${MILVUS_URI}/_db/desc?db_name=${databaseName}`, describeDatabaseData)
         .then(data => {
             // Format data as JSON and insert into the designated row
             const jsonFormattedData = JSON.stringify(data, null, 2);
@@ -182,7 +182,7 @@ function describeDatabase(databaseName, rowIndex, type) {
 }
 
 function describeCollection(databaseName, collectionName, rowIndex, type) {
-    fetchData(`${MILVUS_URI}/collection?db_name${databaseName}&&collection_name=${collectionName}`, describeCollectionResp)
+    fetchData(`${MILVUS_URI}/_collection/desc?db_name=${databaseName}&&collection_name=${collectionName}`, describeCollectionData)
         .then(data => {
             // Format data as JSON and insert into the designated row
             const jsonFormattedData = JSON.stringify(data, null, 2);
@@ -199,7 +199,7 @@ function describeCollection(databaseName, collectionName, rowIndex, type) {
 }
 
 function fetchCollections(databaseName) {
-    fetchData(MILVUS_URI + `/collections?db_name=${databaseName}`, collections )
+    fetchData(MILVUS_URI + `/_collection/list?db_name=${databaseName}`, listCollectionData )
         .then(data => {
             collectionsData = data;
             renderCollections(databaseName, startPage, paginationSize)
@@ -212,7 +212,7 @@ function fetchCollections(databaseName) {
 let collectionsData = null; // Global variable to store fetched data
 function renderCollections(databaseName, currentPage, rowsPerPage) {
     let data = collectionsData;
-    if (!data) {
+    if (!data || !data.collection_names) {
         console.error('No collections data available');
         return;
     }
@@ -229,12 +229,11 @@ function renderCollections(databaseName, currentPage, rowsPerPage) {
     const start = currentPage * rowsPerPage;
     const end = start + rowsPerPage;
     const totalCount = data.collection_names.length;
-    console.log(data)
     for (let i = start; i < end && i < totalCount; i++) {
         tableHTML += '<tr>';
         tableHTML += `<td><a href="#" onclick="describeCollection('${databaseName}', '${data.collection_names[i]}', ${i}, 'list-coll')">${data.collection_names[i]}</a></td>`;
         tableHTML += `<td>${data.collection_ids[i]}</td>`;
-        tableHTML += `<td>${formatTimestamp(data.created_utc_timestamps[i])}</td>`;
+        tableHTML += `<td>${data.created_utc_timestamps[i]}</td>`;
         tableHTML += `<td>${data.inMemory_percentages?  data.inMemory_percentages[i]: 'unknown'}</td>`;
         tableHTML += `<td>${data.query_service_available? data.query_service_available[i] ? 'Yes' : 'No' : 'No'}</td>`;
         tableHTML += '</tr>';
@@ -509,7 +508,7 @@ function renderDependencies(data) {
         const tr = `
             <tr>
                 <td><strong>${key === 'metastore'? 'metastore [' + row['meta_type'] + ']' : 'mq [' + row['mq_type'] + ']'} </strong> </td>
-                <td>${row['health_status']? 'Healthy' : 'Unhealthy:' + row['unhealthy_reason']}</td>
+                <td>${row['health_status']? 'Healthy' :  row['unhealthy_reason']}</td>
                 <td>${row['members_health']? row['members_health'].map(member => `
                     <ul>
                       <li>Endpoint: ${member.endpoint}, Health: ${member.health ? "Healthy" : "Unhealthy"}</li>
@@ -593,7 +592,7 @@ function renderBuildIndexTasks(data) {
         tableHTML += `<td>${indexState}</td>`;
         tableHTML += `<td>${task.index_size}</td>`;
         tableHTML += `<td>${task.index_version}</td>`;
-        tableHTML += `<td>${new Date(task.create_time * 1000).toLocaleString()}</td>`;
+        tableHTML += `<td>${task.create_time}</td>`;
         tableHTML += '</tr>';
     });
 
@@ -636,8 +635,8 @@ function renderCompactionTasks(data) {
         tableHTML += `<td>${new Date(task.start_time * 1000).toLocaleString()}</td>`;
         tableHTML += `<td>${new Date(task.end_time * 1000).toLocaleString()}</td>`;
         tableHTML += `<td>${task.total_rows}</td>`;
-        tableHTML += `<td>${task.input_segments.join(', ')}</td>`;
+        tableHTML += `<td>${task.input_segments? task.input_segments.join(', '): ''}</td>`;
-        tableHTML += `<td>${task.result_segments.join(', ')}</td>`;
+        tableHTML += `<td>${task.result_segments? task.result_segments.join(', '): ''}</td>`;
         tableHTML += '</tr>';
     });
 
@@ -677,8 +676,8 @@ function renderImportTasks(data) {
         tableHTML += `<td>${task.node_id}</td>`;
         tableHTML += `<td>${state}</td>`;
         tableHTML += `<td>${task.task_type}</td>`;
-        tableHTML += `<td>${new Date(task.created_time).toLocaleString()}</td>`;
+        tableHTML += `<td>${task.created_time}</td>`;
-        tableHTML += `<td>${new Date(task.complete_time).toLocaleString()}</td>`;
+        tableHTML += `<td>${task.complete_time}</td>`;
         tableHTML += '</tr>';
     });
 
@@ -711,8 +710,8 @@ function renderSyncTasks(data) {
         tableHTML += `<td>${task.segment_id}</td>`;
         tableHTML += `<td>${task.batch_rows}</td>`;
         tableHTML += `<td>${task.segment_level}</td>`;
-        tableHTML += `<td>${new Date(task.ts_from * 1000).toLocaleString()}</td>`;
+        tableHTML += `<td>${task.ts_from}</td>`;
-        tableHTML += `<td>${new Date(task.ts_to * 1000).toLocaleString()}</td>`;
+        tableHTML += `<td>${task.ts_to}</td>`;
         tableHTML += `<td>${task.delta_row_count}</td>`;
         tableHTML += `<td>${task.flush_size}</td>`;
         tableHTML += `<td>${task.running_time}</td>`;
@@ -797,7 +796,7 @@ function renderChannels(channels, currentPage, rowsPerPage) {
             <td>${channel.watch_state || "N/A"}</td>
             <td>${channel.node_id}</td>
             <td>${channel.latest_time_tick || "N/A"}</td>
-            <td>${formatTimestamp(channel.start_watch_ts) || "N/A"}</td>
+            <td>${channel.start_watch_ts || "N/A"}</td>
             <td>${channel.check_point_ts || "N/A"}</td>
         `;
         table.appendChild(row);
@@ -1114,7 +1113,7 @@ function renderSlowQueries(data) {
         tableHTML += `<td>${query.time}</td>`;
         tableHTML += `<td>${query.trace_id}</td>`;
         tableHTML += `<td>${query.type}</td>`;
-        tableHTML += `<td>${query.user}</td>`;
+        tableHTML += `<td>${query.user || 'unknown'}</td>`;
         tableHTML += `<td>${query.database}</td>`;
         tableHTML += `<td>${query.collection}</td>`;
         tableHTML += `<td>${JSON.stringify(query.query_params)}</td>`;
@@ -1406,7 +1405,7 @@ function renderQueryChannels(channels, currentPage, rowsPerPage) {
                 <td>${channel.collection_id}</td>
                 <td>${channel.leader_id || 'Not Found'}</td>
                 <td>${channel.node_id}</td>
-                <td>${channel.watch_state}</td>
+                <td>${channel.watch_state||''}</td>
                 <td>${channel.from}</td>
             </tr>
         `;

internal/http/webui/tools.html

@@ -27,12 +27,12 @@
             <!-- Centered Links Section -->
             <div class="row text-center mb-3">
                 <div class="col">
-                    <a href="#link1" class="btn btn-link" style="font-size: 1.5em;">Pprof</a>
+                    <a href="http://localhost:9091/debug/pprof" class="btn btn-link" style="font-size: 1.5em;">Pprof</a>
                 </div>
             </div>
             <div class="row text-center mb-3">
                 <div class="col">
-                    <a href="#link2" class="btn btn-link" style="font-size: 1.5em;">Memory Data Visualization</a>
+                    <a href="http://localhost:9091/static" class="btn btn-link" style="font-size: 1.5em;">Memory Data Visualization</a>
                 </div>
             </div>
         </div>

internal/metastore/kv/datacoord/kv_catalog_test.go

@@ -1020,7 +1020,7 @@ func TestCatalog_CreateSegmentIndex(t *testing.T) {
 		FailReason:     "",
 		IndexVersion:   0,
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	}
@@ -1116,7 +1116,7 @@ func TestCatalog_AlterSegmentIndexes(t *testing.T) {
 		FailReason:     "",
 		IndexVersion:   0,
 		IsDeleted:      false,
-		CreateTime:    0,
+		CreatedUTCTime: 0,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	}

internal/metastore/model/index.go

@@ -102,7 +102,7 @@ func MarshalIndexModel(index *Index) *indexpb.FieldIndex {
 //	}
 //
 //	newIdx.IsDeleted = b.IsDeleted
-//	newIdx.CreateTime = b.CreateTime
+//	newIdx.CreatedUTCTime = b.CreatedUTCTime
 //
 //	if newIdx.Extra == nil && b.Extra != nil {
 //		newIdx.Extra = b.Extra

internal/metastore/model/segment_index.go

@@ -18,7 +18,7 @@ type SegmentIndex struct {
 	IndexState     commonpb.IndexState
 	FailReason     string
 	IsDeleted      bool
-	CreateTime    uint64
+	CreatedUTCTime uint64
 	IndexFileKeys  []string
 	IndexSize      uint64
 	// deprecated
@@ -44,7 +44,7 @@ func UnmarshalSegmentIndexModel(segIndex *indexpb.SegmentIndex) *SegmentIndex {
 		FailReason:          segIndex.FailReason,
 		IndexVersion:        segIndex.IndexVersion,
 		IsDeleted:           segIndex.Deleted,
-		CreateTime:          segIndex.CreateTime,
+		CreatedUTCTime:      segIndex.CreateTime,
 		IndexFileKeys:       common.CloneStringList(segIndex.IndexFileKeys),
 		IndexSize:           segIndex.SerializeSize,
 		WriteHandoff:        segIndex.WriteHandoff,
@@ -70,7 +70,7 @@ func MarshalSegmentIndexModel(segIdx *SegmentIndex) *indexpb.SegmentIndex {
 		IndexVersion:        segIdx.IndexVersion,
 		IndexFileKeys:       common.CloneStringList(segIdx.IndexFileKeys),
 		Deleted:             segIdx.IsDeleted,
-		CreateTime:          segIdx.CreateTime,
+		CreateTime:          segIdx.CreatedUTCTime,
 		SerializeSize:       segIdx.IndexSize,
 		WriteHandoff:        segIdx.WriteHandoff,
 		CurrentIndexVersion: segIdx.CurrentIndexVersion,
@@ -90,7 +90,7 @@ func CloneSegmentIndex(segIndex *SegmentIndex) *SegmentIndex {
 		FailReason:          segIndex.FailReason,
 		IndexVersion:        segIndex.IndexVersion,
 		IsDeleted:           segIndex.IsDeleted,
-		CreateTime:          segIndex.CreateTime,
+		CreatedUTCTime:      segIndex.CreatedUTCTime,
 		IndexFileKeys:       common.CloneStringList(segIndex.IndexFileKeys),
 		IndexSize:           segIndex.IndexSize,
 		WriteHandoff:        segIndex.WriteHandoff,

internal/metastore/model/segment_index_test.go

@@ -42,7 +42,7 @@ var (
 		FailReason:     "",
 		IndexVersion:   0,
 		IsDeleted:      false,
-		CreateTime:    1,
+		CreatedUTCTime: 1,
 		IndexFileKeys:  nil,
 		IndexSize:      0,
 	}

internal/proxy/http_req_impl.go

@@ -19,20 +19,33 @@ package proxy
 import (
 	"encoding/json"
 	"net/http"
+	"strconv"
 	"strings"
 
 	"github.com/gin-gonic/gin"
+	"github.com/samber/lo"
 
+	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
+	"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
 	mhttp "github.com/milvus-io/milvus/internal/http"
 	"github.com/milvus-io/milvus/internal/proxy/connection"
+	"github.com/milvus-io/milvus/internal/types"
 	"github.com/milvus-io/milvus/internal/util/dependency"
 	"github.com/milvus-io/milvus/pkg/util/etcd"
+	"github.com/milvus-io/milvus/pkg/util/funcutil"
 	"github.com/milvus-io/milvus/pkg/util/merr"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
+	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
-var contentType = "application/json"
+var (
+	contentType        = "application/json"
+	defaultDB          = "default"
+	httpDBName         = "db_name"
+	HTTPCollectionName = "collection_name"
+)
 
 func getConfigs(configs map[string]string) gin.HandlerFunc {
 	return func(c *gin.Context) {
@@ -192,3 +205,196 @@ func getDataComponentMetrics(node *Proxy, metricsType string) gin.HandlerFunc {
 		c.Data(http.StatusOK, contentType, []byte(resp.GetResponse()))
 	}
 }
+
+// The Get request should be used to get the query parameters, not the body, such as Javascript
+// fetch API only support GET request with query parameter.
+func listCollection(node types.ProxyComponent) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		dbName := c.Query(httpDBName)
+		if len(dbName) == 0 {
+			dbName = defaultDB
+		}
+
+		showCollectionResp, err := node.ShowCollections(c, &milvuspb.ShowCollectionsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_ShowCollections,
+			},
+			DbName: dbName,
+		})
+		if err := merr.CheckRPCCall(showCollectionResp, err); err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		// Convert the response to Collections struct
+		collections := &metricsinfo.Collections{
+			CollectionIDs: lo.Map(showCollectionResp.CollectionIds, func(t int64, i int) string {
+				return strconv.FormatInt(t, 10)
+			}),
+			CollectionNames: showCollectionResp.CollectionNames,
+			CreatedUtcTimestamps: lo.Map(showCollectionResp.CreatedUtcTimestamps, func(t uint64, i int) string {
+				return typeutil.TimestampToString(t)
+			}),
+			InMemoryPercentages: lo.Map(showCollectionResp.InMemoryPercentages, func(t int64, i int) int {
+				return int(t)
+			}),
+			QueryServiceAvailable: showCollectionResp.QueryServiceAvailable,
+		}
+
+		// Marshal the collections struct to JSON
+		collectionsJSON, err := json.Marshal(collections)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		c.Data(http.StatusOK, contentType, collectionsJSON)
+	}
+}
+
+func describeCollection(node types.ProxyComponent, rootCoord types.RootCoordClient) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		dbName := c.Query(httpDBName)
+		collectionName := c.Query(HTTPCollectionName)
+		if len(dbName) == 0 {
+			dbName = defaultDB
+		}
+		if len(collectionName) == 0 {
+			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
+				mhttp.HTTPReturnMessage: HTTPCollectionName + " is required",
+			})
+			return
+		}
+
+		describeCollectionResp, err := node.DescribeCollection(c, &milvuspb.DescribeCollectionRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_DescribeCollection,
+			},
+			DbName:         dbName,
+			CollectionName: collectionName,
+		})
+		if err := merr.CheckRPCCall(describeCollectionResp, err); err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		describePartitionResp, err := rootCoord.ShowPartitions(c, &milvuspb.ShowPartitionsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_ShowPartitions,
+			},
+			DbName:         dbName,
+			CollectionName: collectionName,
+		})
+
+		if err := merr.CheckRPCCall(describePartitionResp, err); err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		// Convert the response to Collection struct
+		collection := &metricsinfo.Collection{
+			CollectionID:         strconv.FormatInt(describeCollectionResp.CollectionID, 10),
+			CollectionName:       describeCollectionResp.CollectionName,
+			CreatedTime:          tsoutil.PhysicalTimeFormat(describeCollectionResp.CreatedUtcTimestamp),
+			ShardsNum:            int(describeCollectionResp.ShardsNum),
+			ConsistencyLevel:     describeCollectionResp.ConsistencyLevel.String(),
+			Aliases:              describeCollectionResp.Aliases,
+			Properties:           funcutil.KeyValuePair2Map(describeCollectionResp.Properties),
+			DBName:               dbName,
+			NumPartitions:        int(describeCollectionResp.NumPartitions),
+			VirtualChannelNames:  describeCollectionResp.VirtualChannelNames,
+			PhysicalChannelNames: describeCollectionResp.PhysicalChannelNames,
+			PartitionInfos:       metricsinfo.NewPartitionInfos(describePartitionResp),
+			EnableDynamicField:   describeCollectionResp.Schema.EnableDynamicField,
+			Fields:               metricsinfo.NewFields(describeCollectionResp.GetSchema()),
+		}
+
+		// Marshal the collection struct to JSON
+		collectionJSON, err := json.Marshal(collection)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		c.Data(http.StatusOK, contentType, collectionJSON)
+	}
+}
+
+func listDatabase(node types.ProxyComponent) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		showDatabaseResp, err := node.ListDatabases(c, &milvuspb.ListDatabasesRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_ListDatabases,
+			},
+		})
+		if err := merr.CheckRPCCall(showDatabaseResp, err); err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		// Convert the response to Databases struct
+		databases := metricsinfo.NewDatabases(showDatabaseResp)
+
+		// Marshal the databases struct to JSON
+		databasesJSON, err := json.Marshal(databases)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		c.Data(http.StatusOK, contentType, databasesJSON)
+	}
+}
+
+func describeDatabase(node types.ProxyComponent) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		dbName := c.Query(httpDBName)
+		if len(dbName) == 0 {
+			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
+				mhttp.HTTPReturnMessage: httpDBName + " is required",
+			})
+			return
+		}
+
+		describeDatabaseResp, err := node.DescribeDatabase(c, &milvuspb.DescribeDatabaseRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_DescribeDatabase,
+			},
+			DbName: dbName,
+		})
+		if err := merr.CheckRPCCall(describeDatabaseResp, err); err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		// Convert the response to Database struct
+		database := metricsinfo.NewDatabase(describeDatabaseResp)
+
+		// Marshal the database struct to JSON
+		databaseJSON, err := json.Marshal(database)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+				mhttp.HTTPReturnMessage: err.Error(),
+			})
+			return
+		}
+
+		c.Data(http.StatusOK, contentType, databaseJSON)
+	}
+}

internal/proxy/http_req_impl_test.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
 	"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
+	"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
 	"github.com/milvus-io/milvus/internal/mocks"
 	"github.com/milvus-io/milvus/internal/proxy/connection"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
@@ -151,3 +152,210 @@ func TestGetDataComponentMetrics(t *testing.T) {
 		assert.Contains(t, w.Body.String(), "test_response")
 	})
 }
+
+func TestListCollection(t *testing.T) {
+	t.Run("list collections successfully", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=default", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().ShowCollections(mock.Anything, mock.Anything).Return(&milvuspb.ShowCollectionsResponse{
+			Status:                &commonpb.Status{ErrorCode: commonpb.ErrorCode_Success},
+			CollectionIds:         []int64{1, 2},
+			CollectionNames:       []string{"collection1", "collection2"},
+			CreatedUtcTimestamps:  []uint64{1633046400000, 1633132800000},
+			InMemoryPercentages:   []int64{100, 100},
+			QueryServiceAvailable: []bool{true, true},
+		}, nil)
+
+		handler := listCollection(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "collection1")
+		assert.Contains(t, w.Body.String(), "collection2")
+	})
+
+	t.Run("list collections with error", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=default", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().ShowCollections(mock.Anything, mock.Anything).Return(nil, errors.New("error"))
+
+		handler := listCollection(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusInternalServerError, w.Code)
+		assert.Contains(t, w.Body.String(), "error")
+	})
+}
+
+func TestDescribeCollection(t *testing.T) {
+	t.Run("describe collection successfully", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=default&collection_name=collection1", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockRootCoord := mocks.NewMockRootCoordClient(t)
+		mockProxy.EXPECT().DescribeCollection(mock.Anything, mock.Anything).Return(&milvuspb.DescribeCollectionResponse{
+			Status:               &commonpb.Status{ErrorCode: commonpb.ErrorCode_Success},
+			CollectionID:         1,
+			CollectionName:       "collection1",
+			CreatedUtcTimestamp:  1633046400000,
+			ShardsNum:            2,
+			ConsistencyLevel:     commonpb.ConsistencyLevel_Strong,
+			Aliases:              []string{"alias1"},
+			Properties:           []*commonpb.KeyValuePair{{Key: "key", Value: "value"}},
+			VirtualChannelNames:  []string{"vchan1"},
+			PhysicalChannelNames: []string{"pchan1"},
+			NumPartitions:        1,
+			Schema: &schemapb.CollectionSchema{
+				EnableDynamicField: true,
+				Fields: []*schemapb.FieldSchema{
+					{
+						FieldID:  1,
+						Name:     "field1",
+						DataType: schemapb.DataType_Int32,
+					},
+				},
+			},
+		}, nil)
+
+		mockRootCoord.EXPECT().ShowPartitions(mock.Anything, mock.Anything).Return(&milvuspb.ShowPartitionsResponse{
+			Status: &commonpb.Status{ErrorCode: commonpb.ErrorCode_Success},
+		}, nil)
+
+		handler := describeCollection(mockProxy, mockRootCoord)
+		handler(c)
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "collection1")
+		assert.Contains(t, w.Body.String(), "alias1")
+	})
+
+	t.Run("describe collection with error", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=default&collection_name=collection1", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockRootCoord := mocks.NewMockRootCoordClient(t)
+		mockProxy.EXPECT().DescribeCollection(mock.Anything, mock.Anything).Return(nil, errors.New("error"))
+
+		handler := describeCollection(mockProxy, mockRootCoord)
+		handler(c)
+
+		assert.Equal(t, http.StatusInternalServerError, w.Code)
+		assert.Contains(t, w.Body.String(), "error")
+	})
+
+	t.Run("missing collection_name", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=default", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockRootCoord := mocks.NewMockRootCoordClient(t)
+
+		handler := describeCollection(mockProxy, mockRootCoord)
+		handler(c)
+
+		assert.Equal(t, http.StatusBadRequest, w.Code)
+		assert.Contains(t, w.Body.String(), "collection_name is required")
+	})
+}
+
+func TestListDatabase(t *testing.T) {
+	t.Run("list databases successfully", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().ListDatabases(mock.Anything, mock.Anything).Return(&milvuspb.ListDatabasesResponse{
+			Status:           &commonpb.Status{ErrorCode: commonpb.ErrorCode_Success},
+			DbNames:          []string{"db1", "db2"},
+			CreatedTimestamp: []uint64{1633046400000, 1633132800000},
+		}, nil)
+
+		handler := listDatabase(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "db1")
+		assert.Contains(t, w.Body.String(), "db2")
+	})
+
+	t.Run("list databases with error", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().ListDatabases(mock.Anything, mock.Anything).Return(nil, errors.New("error"))
+
+		handler := listDatabase(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusInternalServerError, w.Code)
+		assert.Contains(t, w.Body.String(), "error")
+	})
+}
+
+func TestDescribeDatabase(t *testing.T) {
+	t.Run("describe database successfully", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=db1", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().DescribeDatabase(mock.Anything, mock.Anything).Return(&milvuspb.DescribeDatabaseResponse{
+			Status:           &commonpb.Status{ErrorCode: commonpb.ErrorCode_Success},
+			DbName:           "db1",
+			DbID:             1,
+			CreatedTimestamp: 1633046400000,
+			Properties:       []*commonpb.KeyValuePair{{Key: "key", Value: "value"}},
+		}, nil)
+
+		handler := describeDatabase(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "db1")
+		assert.Contains(t, w.Body.String(), "key")
+		assert.Contains(t, w.Body.String(), "value")
+	})
+
+	t.Run("describe database with error", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/?db_name=db1", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+		mockProxy.EXPECT().DescribeDatabase(mock.Anything, mock.Anything).Return(nil, errors.New("error"))
+
+		handler := describeDatabase(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusInternalServerError, w.Code)
+		assert.Contains(t, w.Body.String(), "error")
+	})
+
+	t.Run("missing db_name", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+		c.Request, _ = http.NewRequest("GET", "/", nil)
+
+		mockProxy := mocks.NewMockProxy(t)
+
+		handler := describeDatabase(mockProxy)
+		handler(c)
+
+		assert.Equal(t, http.StatusBadRequest, w.Code)
+		assert.Contains(t, w.Body.String(), "db_name is required")
+	})
+}

internal/proxy/impl.go

@@ -6534,6 +6534,14 @@ func (node *Proxy) RegisterRestRouter(router gin.IRouter) {
 	router.GET(http.DNSyncTasksPath, getDataComponentMetrics(node, metricsinfo.SyncTasks))
 	router.GET(http.DNSegmentsPath, getDataComponentMetrics(node, metricsinfo.DataSegments))
 	router.GET(http.DNChannelsPath, getDataComponentMetrics(node, metricsinfo.DataChannels))
+
+	// Database requests
+	router.GET(http.DatabaseListPath, listDatabase(node))
+	router.GET(http.DatabaseDescPath, describeDatabase(node))
+
+	// Collection requests
+	router.GET(http.CollectionListPath, listCollection(node))
+	router.GET(http.CollectionDescPath, describeCollection(node, node.rootCoord))
 }
 
 func (node *Proxy) CreatePrivilegeGroup(ctx context.Context, req *milvuspb.CreatePrivilegeGroupRequest) (*commonpb.Status, error) {

internal/proxy/task_database_test.go

@@ -187,7 +187,7 @@ func TestAlterDatabase(t *testing.T) {
 	assert.Nil(t, err)
 }
 
-func TestDescribeDatabase(t *testing.T) {
+func TestDescribeDatabaseTask(t *testing.T) {
 	rc := mocks.NewMockRootCoordClient(t)
 
 	rc.EXPECT().DescribeDatabase(mock.Anything, mock.Anything).Return(&rootcoordpb.DescribeDatabaseResponse{}, nil)

internal/querycoordv2/meta/segment_dist_manager.go

@@ -26,6 +26,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/querypb"
 	"github.com/milvus-io/milvus/internal/util/metrics"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -135,7 +136,7 @@ func SegmentFromInfo(info *datapb.SegmentInfo) *Segment {
 func newSegmentMetricsFrom(segment *Segment) *metricsinfo.Segment {
 	convertedSegment := metrics.NewSegmentFrom(segment.SegmentInfo)
 	convertedSegment.NodeID = segment.Node
-	convertedSegment.LoadedTimestamp = segment.Version
+	convertedSegment.LoadedTimestamp = tsoutil.PhysicalTimeFormat(segment.LastDeltaTimestamp)
 	convertedSegment.Index = lo.Map(lo.Values(segment.IndexInfo), func(e *querypb.FieldIndexInfo, i int) *metricsinfo.SegmentIndex {
 		return &metricsinfo.SegmentIndex{
 			IndexFieldID: e.FieldID,

internal/querycoordv2/meta/segment_dist_manager_test.go

@@ -233,7 +233,6 @@ func TestGetSegmentDistJSON(t *testing.T) {
 			assert.Equal(t, int64(1000), s.NumOfRows)
 			assert.Equal(t, "Flushed", s.State)
 			assert.Equal(t, int64(1), s.NodeID)
-			assert.Equal(t, int64(1), s.LoadedTimestamp)
 		} else if s.SegmentID == 2 {
 			assert.Equal(t, int64(200), s.CollectionID)
 			assert.Equal(t, int64(20), s.PartitionID)
@@ -241,7 +240,6 @@ func TestGetSegmentDistJSON(t *testing.T) {
 			assert.Equal(t, int64(2000), s.NumOfRows)
 			assert.Equal(t, "Flushed", s.State)
 			assert.Equal(t, int64(2), s.NodeID)
-			assert.Equal(t, int64(1), s.LoadedTimestamp)
 		} else {
 			assert.Failf(t, "unexpected segment id", "unexpected segment id %d", s.SegmentID)
 		}

internal/querycoordv2/task/task.go

@@ -31,6 +31,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/querypb"
 	"github.com/milvus-io/milvus/internal/querycoordv2/meta"
 	"github.com/milvus-io/milvus/pkg/util/merr"
+	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -502,17 +503,7 @@ func (task *LeaderTask) MarshalJSON() ([]byte, error) {
 }
 
 func marshalJSON(task Task) ([]byte, error) {
-	return json.Marshal(&struct {
+	return json.Marshal(&metricsinfo.QueryCoordTask{
-		TaskName     string   `json:"task_name,omitempty"`
-		CollectionID int64    `json:"collection_id,omitempty"`
-		Replica      int64    `json:"replica_id,omitempty"`
-		TaskType     string   `json:"task_type,omitempty"`
-		TaskStatus   string   `json:"task_status,omitempty"`
-		Priority     string   `json:"priority,omitempty"`
-		Actions      []string `json:"actions,omitempty"`
-		Step         int      `json:"step,omitempty"`
-		Reason       string   `json:"reason,omitempty"`
-	}{
 		TaskName:     task.Name(),
 		CollectionID: task.CollectionID(),
 		Replica:      task.ReplicaID(),

internal/querycoordv2/task/task_test.go

@@ -18,6 +18,7 @@ package task
 
 import (
 	"context"
+	"encoding/json"
 	"math/rand"
 	"strings"
 	"testing"
@@ -45,6 +46,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/kv"
 	"github.com/milvus-io/milvus/pkg/util/etcd"
 	"github.com/milvus-io/milvus/pkg/util/merr"
+	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
 	"github.com/milvus-io/milvus/pkg/util/testutils"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
@@ -1837,8 +1839,11 @@ func (suite *TaskSuite) TestGetTasksJSON() {
 	suite.NoError(err)
 
 	actualJSON := scheduler.GetTasksJSON()
-	suite.Contains(actualJSON, "SegmentTask")
+
-	suite.Contains(actualJSON, "ChannelTask")
+	var tasks []*metricsinfo.QueryCoordTask
+	err = json.Unmarshal([]byte(actualJSON), &tasks)
+	suite.NoError(err)
+	suite.Equal(2, len(tasks))
 }
 
 func TestTask(t *testing.T) {

internal/querynodev2/metrics_info_test.go

@@ -32,6 +32,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/mq/msgdispatcher"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -65,7 +66,7 @@ func TestGetPipelineJSON(t *testing.T) {
 		{
 			Name:           ch,
 			WatchState:     "Healthy",
-			LatestTimeTick: typeutil.TimestampToString(0),
+			LatestTimeTick: tsoutil.PhysicalTimeFormat(0),
 			NodeID:         paramtable.GetNodeID(),
 			CollectionID:   1,
 		},

internal/querynodev2/pipeline/manager.go

@@ -30,6 +30,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
 	"github.com/milvus-io/milvus/pkg/util/timerecord"
+	"github.com/milvus-io/milvus/pkg/util/tsoutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -170,7 +171,7 @@ func (m *manager) GetChannelStats() []*metricsinfo.Channel {
 		ret = append(ret, &metricsinfo.Channel{
 			Name:           ch,
 			WatchState:     p.Status(),
-			LatestTimeTick: typeutil.TimestampToString(tt),
+			LatestTimeTick: tsoutil.PhysicalTimeFormat(tt),
 			NodeID:         paramtable.GetNodeID(),
 			CollectionID:   p.GetCollectionID(),
 		})

internal/util/metrics/utils.go

@@ -1,6 +1,10 @@
 package metrics
 
 import (
+	"strconv"
+
+	"github.com/samber/lo"
+
 	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/pkg/util/metricsinfo"
 )
@@ -25,10 +29,17 @@ func NewDMChannelFrom(channel *datapb.VchannelInfo) *metricsinfo.DmChannel {
 	return &metricsinfo.DmChannel{
 		CollectionID: channel.GetCollectionID(),
 		ChannelName:  channel.GetChannelName(),
-		UnflushedSegmentIds:    channel.GetUnflushedSegmentIds(),
+		UnflushedSegmentIds: lo.Map(channel.GetUnflushedSegmentIds(), func(t int64, i int) string {
-		FlushedSegmentIds:      channel.GetFlushedSegmentIds(),
+			return strconv.FormatInt(t, 10)
-		DroppedSegmentIds:      channel.GetDroppedSegmentIds(),
+		}),
-		LevelZeroSegmentIds:    channel.GetLevelZeroSegmentIds(),
+		FlushedSegmentIds: lo.Map(channel.GetFlushedSegmentIds(), func(t int64, i int) string {
-		PartitionStatsVersions: channel.GetPartitionStatsVersions(),
+			return strconv.FormatInt(t, 10)
+		}),
+		DroppedSegmentIds: lo.Map(channel.GetDroppedSegmentIds(), func(t int64, i int) string {
+			return strconv.FormatInt(t, 10)
+		}),
+		LevelZeroSegmentIds: lo.Map(channel.GetLevelZeroSegmentIds(), func(t int64, i int) string {
+			return strconv.FormatInt(t, 10)
+		}),
 	}
 }

pkg/go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/json-iterator/go v1.1.12
 	github.com/klauspost/compress v1.17.7
-	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620
+	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f
 	github.com/nats-io/nats-server/v2 v2.10.12
 	github.com/nats-io/nats.go v1.34.1
 	github.com/panjf2000/ants/v2 v2.7.2

pkg/go.sum

@@ -488,8 +488,8 @@ github.com/milvus-io/cgosymbolizer v0.0.0-20240722103217-b7dee0e50119 h1:9VXijWu
 github.com/milvus-io/cgosymbolizer v0.0.0-20240722103217-b7dee0e50119/go.mod h1:DvXTE/K/RtHehxU8/GtDs4vFtfw64jJ3PaCnFri8CRg=
 github.com/milvus-io/gorocksdb v0.0.0-20220624081344-8c5f4212846b h1:TfeY0NxYxZzUfIfYe5qYDBzt4ZYRqzUjTR6CvUzjat8=
 github.com/milvus-io/gorocksdb v0.0.0-20220624081344-8c5f4212846b/go.mod h1:iwW+9cWfIzzDseEBCCeDSN5SD16Tidvy8cwQ7ZY8Qj4=
-github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620 h1:0IWUDtDloift7cQHalhdjuVkL/3qSeiXFqR7MofZBkg=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f h1:yLxT8NH0ixUOJMqJuk0xvGf0cKsr+N2xibyTat256PI=
-github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241108105827-266fb751b620/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20241111062829-6de3d96f664f/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
 github.com/milvus-io/pulsar-client-go v0.12.1 h1:O2JZp1tsYiO7C0MQ4hrUY/aJXnn2Gry6hpm7UodghmE=
 github.com/milvus-io/pulsar-client-go v0.12.1/go.mod h1:dkutuH4oS2pXiGm+Ti7fQZ4MRjrMPZ8IJeEGAWMeckk=
 github.com/minio/highwayhash v1.0.2 h1:Aak5U0nElisjDCfPSG79Tgzkn2gl66NxOMspRrKnA/g=
@@ -655,7 +655,6 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=

pkg/util/metricsinfo/metrics_info.go

@@ -15,7 +15,6 @@ import (
 	"encoding/json"
 
 	"github.com/milvus-io/milvus-proto/go-api/v2/rgpb"
-	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
 // ComponentInfos defines the interface of all component infos
@@ -90,7 +89,7 @@ type SlowQuery struct {
 	Partitions            string       `json:"partitions,omitempty"`
 	ConsistencyLevel      string       `json:"consistency_level,omitempty"`
 	UseDefaultConsistency bool         `json:"use_default_consistency,omitempty"`
-	GuaranteeTimestamp    uint64       `json:"guarantee_timestamp,omitempty"`
+	GuaranteeTimestamp    uint64       `json:"guarantee_timestamp,omitempty,string"`
 	Duration              string       `json:"duration,omitempty"`
 	User                  string       `json:"user,omitempty"`
 	QueryParams           *QueryParams `json:"query_params,omitempty"`
@@ -100,24 +99,23 @@ type SlowQuery struct {
 
 type DmChannel struct {
 	NodeID              int64    `json:"node_id,omitempty"`
-	Version                int64           `json:"version,omitempty"`
+	Version             int64    `json:"version,omitempty,string"`
-	CollectionID           int64           `json:"collection_id,omitempty"`
+	CollectionID        int64    `json:"collection_id,omitempty,string"`
 	ChannelName         string   `json:"channel_name,omitempty"`
-	UnflushedSegmentIds    []int64         `json:"unflushed_segment_ids,omitempty"`
+	UnflushedSegmentIds []string `json:"unflushed_segment_ids,omitempty"`
-	FlushedSegmentIds      []int64         `json:"flushed_segment_ids,omitempty"`
+	FlushedSegmentIds   []string `json:"flushed_segment_ids,omitempty"`
-	DroppedSegmentIds      []int64         `json:"dropped_segment_ids,omitempty"`
+	DroppedSegmentIds   []string `json:"dropped_segment_ids,omitempty"`
-	LevelZeroSegmentIds    []int64         `json:"level_zero_segment_ids,omitempty"`
+	LevelZeroSegmentIds []string `json:"level_zero_segment_ids,omitempty"`
-	PartitionStatsVersions map[int64]int64 `json:"partition_stats_versions,omitempty"`
 	WatchState          string   `json:"watch_state,omitempty"`
-	StartWatchTS           int64           `json:"start_watch_ts,omitempty"`
+	StartWatchTS        string   `json:"start_watch_ts,omitempty"`
 }
 
 type Segment struct {
-	SegmentID    int64  `json:"segment_id,omitempty"`
+	SegmentID    int64  `json:"segment_id,omitempty,string"`
-	CollectionID int64  `json:"collection_id,omitempty"`
+	CollectionID int64  `json:"collection_id,omitempty,string"`
-	PartitionID  int64  `json:"partition_id,omitempty"`
+	PartitionID  int64  `json:"partition_id,omitempty,string"`
 	Channel      string `json:"channel,omitempty"`
-	NumOfRows    int64  `json:"num_of_rows,omitempty"`
+	NumOfRows    int64  `json:"num_of_rows,omitempty,string"`
 	State        string `json:"state,omitempty"`
 	IsImporting  bool   `json:"is_importing,omitempty"`
 	Compacted    bool   `json:"compacted,omitempty"`
@@ -127,42 +125,54 @@ type Segment struct {
 
 	// load related
 	IsInvisible          bool            `json:"is_invisible,omitempty"`
-	LoadedTimestamp      int64           `json:"loaded_timestamp,omitempty"`
+	LoadedTimestamp      string          `json:"loaded_timestamp,omitempty,string"`
 	Index                []*SegmentIndex `json:"index,omitempty"`
 	ResourceGroup        string          `json:"resource_group,omitempty"`
-	LoadedInsertRowCount int64           `json:"loaded_insert_row_count,omitempty"` // inert row count for growing segment that excludes the deleted row count in QueryNode
+	LoadedInsertRowCount int64           `json:"loaded_insert_row_count,omitempty,string"` // inert row count for growing segment that excludes the deleted row count in QueryNode
-	MemSize              int64           `json:"mem_size,omitempty"`                // memory size of segment in QueryNode
+	MemSize              int64           `json:"mem_size,omitempty,string"`                // memory size of segment in QueryNode
 
 	// flush related
-	FlushedRows    int64 `json:"flushed_rows,omitempty"`
+	FlushedRows    int64 `json:"flushed_rows,omitempty,string"`
-	SyncBufferRows int64 `json:"sync_buffer_rows,omitempty"`
+	SyncBufferRows int64 `json:"sync_buffer_rows,omitempty,string"`
-	SyncingRows    int64 `json:"syncing_rows,omitempty"`
+	SyncingRows    int64 `json:"syncing_rows,omitempty,string"`
 }
 
 type SegmentIndex struct {
-	IndexFieldID int64 `json:"field_id,omitempty"`
+	IndexFieldID int64 `json:"field_id,omitempty,string"`
-	IndexID      int64 `json:"index_id,omitempty"`
+	IndexID      int64 `json:"index_id,omitempty,string"`
-	BuildID      int64 `json:"build_id,omitempty"`
+	BuildID      int64 `json:"build_id,omitempty,string"`
-	IndexSize    int64 `json:"index_size,omitempty"`
+	IndexSize    int64 `json:"index_size,omitempty,string"`
-	IsLoaded     bool  `json:"is_loaded,omitempty"`
+	IsLoaded     bool  `json:"is_loaded,omitempty,string"`
 }
 
 type QueryCoordTarget struct {
-	CollectionID int64        `json:"collection_id,omitempty"`
+	CollectionID int64        `json:"collection_id,omitempty,string"`
 	Segments     []*Segment   `json:"segments,omitempty"`
 	DMChannels   []*DmChannel `json:"dm_channels,omitempty"`
 }
 
+type QueryCoordTask struct {
+	TaskName     string   `json:"task_name,omitempty"`
+	CollectionID int64    `json:"collection_id,omitempty,string"`
+	Replica      int64    `json:"replica_id,omitempty,string"`
+	TaskType     string   `json:"task_type,omitempty"`
+	TaskStatus   string   `json:"task_status,omitempty"`
+	Priority     string   `json:"priority,omitempty"`
+	Actions      []string `json:"actions,omitempty"`
+	Step         int      `json:"step,omitempty"`
+	Reason       string   `json:"reason,omitempty"`
+}
+
 type LeaderView struct {
-	LeaderID           int64      `json:"leader_id,omitempty"`
+	LeaderID           int64      `json:"leader_id,omitempty,string"`
-	CollectionID       int64      `json:"collection_id,omitempty"`
+	CollectionID       int64      `json:"collection_id,omitempty,string"`
 	NodeID             int64      `json:"node_id,omitempty"`
 	Channel            string     `json:"channel,omitempty"`
-	Version            int64      `json:"version,omitempty"`
+	Version            int64      `json:"version,omitempty,string"`
 	SealedSegments     []*Segment `json:"sealed_segments,omitempty"`
 	GrowingSegments    []*Segment `json:"growing_segments,omitempty"`
-	TargetVersion      int64      `json:"target_version,omitempty"`
+	TargetVersion      int64      `json:"target_version,omitempty,string"`
-	NumOfGrowingRows   int64      `json:"num_of_growing_rows,omitempty"`
+	NumOfGrowingRows   int64      `json:"num_of_growing_rows,omitempty,string"`
 	UnServiceableError string     `json:"unserviceable_error,omitempty"`
 }
 
@@ -179,8 +189,8 @@ type ResourceGroup struct {
 }
 
 type Replica struct {
-	ID               int64              `json:"ID,omitempty"`
+	ID               int64              `json:"ID,omitempty,string"`
-	CollectionID     int64              `json:"collectionID,omitempty"`
+	CollectionID     int64              `json:"collectionID,omitempty,string"`
 	RWNodes          []int64            `json:"rw_nodes,omitempty"`
 	ResourceGroup    string             `json:"resource_group,omitempty"`
 	RONodes          []int64            `json:"ro_nodes,omitempty"`
@@ -192,8 +202,8 @@ type Channel struct {
 	Name           string `json:"name,omitempty"`
 	WatchState     string `json:"watch_state,omitempty"`
 	LatestTimeTick string `json:"latest_time_tick,omitempty"` // a time string that indicates the latest time tick of the channel is received
-	NodeID         int64  `json:"node_id,omitempty"`
+	NodeID         int64  `json:"node_id,omitempty,string"`
-	CollectionID   int64  `json:"collection_id,omitempty"`
+	CollectionID   int64  `json:"collection_id,omitempty,string"`
 	CheckpointTS   string `json:"check_point_ts,omitempty"` // a time string, format like "2006-01-02 15:04:05"
 }
 
@@ -290,16 +300,28 @@ type DataNodeConfiguration struct {
 	FlushInsertBufferSize int64 `json:"flush_insert_buffer_size"`
 }
 
+type IndexTaskStats struct {
+	IndexID        int64  `json:"index_id,omitempty,string"`
+	CollectionID   int64  `json:"collection_id,omitempty,string"`
+	SegmentID      int64  `json:"segment_id,omitempty,string"`
+	BuildID        int64  `json:"build_id,omitempty,string"`
+	IndexState     string `json:"index_state,omitempty"`
+	FailReason     string `json:"fail_reason,omitempty"`
+	IndexSize      uint64 `json:"index_size,omitempty,string"`
+	IndexVersion   int64  `json:"index_version,omitempty,string"`
+	CreatedUTCTime string `json:"create_time,omitempty"`
+}
+
 type SyncTask struct {
-	SegmentID     int64              `json:"segment_id,omitempty"`
+	SegmentID     int64  `json:"segment_id,omitempty,string"`
-	BatchRows     int64              `json:"batch_rows,omitempty"`
+	BatchRows     int64  `json:"batch_rows,omitempty,string"`
-	SegmentLevel  string             `json:"segment_level,omitempty"`
+	SegmentLevel  string `json:"segment_level,omitempty,string"`
-	TSFrom        typeutil.Timestamp `json:"ts_from,omitempty"`
+	TSFrom        string `json:"ts_from,omitempty"`
-	TSTo          typeutil.Timestamp `json:"ts_to,omitempty"`
+	TSTo          string `json:"ts_to,omitempty"`
-	DeltaRowCount int64              `json:"delta_row_count,omitempty"`
+	DeltaRowCount int64  `json:"delta_row_count,omitempty,string"`
-	FlushSize     int64              `json:"flush_size,omitempty"`
+	FlushSize     int64  `json:"flush_size,omitempty,string"`
 	RunningTime   string `json:"running_time,omitempty"`
-	NodeID        int64              `json:"node_id,omitempty"`
+	NodeID        int64  `json:"node_id,omitempty,string"`
 }
 
 // DataNodeInfos implements ComponentInfos
@@ -343,10 +365,10 @@ type DataCoordInfos struct {
 }
 
 type ImportTask struct {
-	JobID        int64  `json:"job_id,omitempty"`
+	JobID        int64  `json:"job_id,omitempty,string"`
-	TaskID       int64  `json:"task_id,omitempty"`
+	TaskID       int64  `json:"task_id,omitempty,string"`
-	CollectionID int64  `json:"collection_id,omitempty"`
+	CollectionID int64  `json:"collection_id,omitempty,string"`
-	NodeID       int64  `json:"node_id,omitempty"`
+	NodeID       int64  `json:"node_id,omitempty,string"`
 	State        string `json:"state,omitempty"`
 	Reason       string `json:"reason,omitempty"`
 	TaskType     string `json:"task_type,omitempty"`
@@ -360,11 +382,11 @@ type CompactionTask struct {
 	Type           string   `json:"type,omitempty"`
 	State          string   `json:"state,omitempty"`
 	FailReason     string   `json:"fail_reason,omitempty"`
-	StartTime      int64   `json:"start_time,omitempty"`
+	StartTime      string   `json:"start_time,omitempty"`
-	EndTime        int64   `json:"end_time,omitempty"`
+	EndTime        string   `json:"end_time,omitempty"`
-	TotalRows      int64   `json:"total_rows,omitempty"`
+	TotalRows      int64    `json:"total_rows,omitempty,string"`
-	InputSegments  []int64 `json:"input_segments,omitempty"`
+	InputSegments  []string `json:"input_segments,omitempty"`
-	ResultSegments []int64 `json:"result_segments,omitempty"`
+	ResultSegments []string `json:"result_segments,omitempty"`
 }
 
 // RootCoordConfiguration records the configuration of RootCoord.
@@ -377,3 +399,67 @@ type RootCoordInfos struct {
 	BaseComponentInfos
 	SystemConfigurations RootCoordConfiguration `json:"system_configurations"`
 }
+
+type Collections struct {
+	CollectionNames      []string ` json:"collection_names,omitempty"`
+	CollectionIDs        []string `json:"collection_ids,omitempty"`
+	CreatedUtcTimestamps []string `json:"created_utc_timestamps,omitempty"`
+	// Load percentage on querynode when type is InMemory
+	InMemoryPercentages []int `json:"inMemory_percentages,omitempty"`
+	// Indicate whether query service is available
+	QueryServiceAvailable []bool `json:"query_service_available,omitempty"`
+}
+
+type PartitionInfo struct {
+	PartitionName       string `json:"partition_name,omitempty"`
+	PartitionID         int64  `json:"partition_id,omitempty,string"`
+	CreatedUtcTimestamp string `json:"created_utc_timestamp,omitempty"`
+}
+
+type Field struct {
+	FieldID          string            `json:"field_id,omitempty,string"`
+	Name             string            `json:"name,omitempty"`
+	IsPrimaryKey     bool              `json:"is_primary_key,omitempty"`
+	Description      string            `json:"description,omitempty"`
+	DataType         string            `json:"data_type,omitempty"`
+	TypeParams       map[string]string `json:"type_params,omitempty"`
+	IndexParams      map[string]string `json:"index_params,omitempty"`
+	AutoID           bool              `json:"auto_id,omitempty"`
+	ElementType      string            `json:"element_type,omitempty"`
+	DefaultValue     string            `json:"default_value,omitempty"`
+	IsDynamic        bool              `json:"is_dynamic,omitempty"`
+	IsPartitionKey   bool              `json:"is_partition_key,omitempty"`
+	IsClusteringKey  bool              `json:"is_clustering_key,omitempty"`
+	Nullable         bool              `json:"nullable,omitempty"`
+	IsFunctionOutput bool              `json:"is_function_output,omitempty"`
+}
+
+type Collection struct {
+	CollectionID         string            `json:"collection_id,omitempty,string"`
+	CollectionName       string            `json:"collection_name,omitempty"`
+	CreatedTime          string            `json:"created_time,omitempty"`
+	ShardsNum            int               `json:"shards_num,omitempty"`
+	ConsistencyLevel     string            `json:"consistency_level,omitempty"`
+	Aliases              []string          `json:"aliases,omitempty"`
+	Properties           map[string]string `json:"properties,omitempty"`
+	DBName               string            `json:"db_name,omitempty,string"`
+	NumPartitions        int               `json:"num_partitions,omitempty,string"`
+	VirtualChannelNames  []string          `json:"virtual_channel_names,omitempty"`
+	PhysicalChannelNames []string          `json:"physical_channel_names,omitempty"`
+	PartitionInfos       []*PartitionInfo  `json:"partition_infos,omitempty"`
+	EnableDynamicField   bool              `json:"enable_dynamic_field,omitempty"`
+	Fields               []*Field          `json:"fields,omitempty"`
+}
+
+type Database struct {
+	DBName           string            `json:"db_name,omitempty"`
+	DBID             int64             `json:"dbID,omitempty"`
+	CreatedTimestamp string            `json:"created_timestamp,omitempty"`
+	Properties       map[string]string `json:"properties,omitempty"`
+}
+
+type Databases struct {
+	Names             []string `json:"db_names,omitempty"`
+	IDs               []string `json:"db_ids,omitempty"`
+	CreatedTimestamps []string `json:"created_timestamps,omitempty"`
+}

pkg/util/metricsinfo/utils.go

@@ -14,14 +14,18 @@ package metricsinfo
 import (
 	"encoding/json"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
+	"github.com/samber/lo"
 	"go.uber.org/zap"
 
 	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
 	"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
+	"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
 	"github.com/milvus-io/milvus/pkg/log"
+	"github.com/milvus-io/milvus/pkg/util/funcutil"
 	"github.com/milvus-io/milvus/pkg/util/typeutil"
 )
 
@@ -125,3 +129,61 @@ func NewSlowQueryWithSearchRequest(request *milvuspb.SearchRequest, user string,
 		Time:                  time.Now().Format(time.DateTime),
 	}
 }
+
+func NewPartitionInfos(partitions *milvuspb.ShowPartitionsResponse) []*PartitionInfo {
+	partitionInfos := make([]*PartitionInfo, len(partitions.PartitionNames))
+
+	for i := range partitions.PartitionNames {
+		partitionInfos[i] = &PartitionInfo{
+			PartitionName:       partitions.PartitionNames[i],
+			PartitionID:         partitions.PartitionIDs[i],
+			CreatedUtcTimestamp: typeutil.TimestampToString(partitions.CreatedUtcTimestamps[i]),
+		}
+	}
+	return partitionInfos
+}
+
+func NewFields(fields *schemapb.CollectionSchema) []*Field {
+	fieldInfos := make([]*Field, len(fields.Fields))
+	for i, f := range fields.Fields {
+		fieldInfos[i] = &Field{
+			FieldID:          strconv.FormatInt(f.FieldID, 10),
+			Name:             f.Name,
+			IsPrimaryKey:     f.IsPrimaryKey,
+			Description:      f.Description,
+			DataType:         f.DataType.String(),
+			TypeParams:       funcutil.KeyValuePair2Map(f.TypeParams),
+			IndexParams:      funcutil.KeyValuePair2Map(f.IndexParams),
+			AutoID:           f.AutoID,
+			ElementType:      f.ElementType.String(),
+			DefaultValue:     f.DefaultValue.String(),
+			IsDynamic:        f.IsDynamic,
+			IsPartitionKey:   f.IsPartitionKey,
+			IsClusteringKey:  f.IsClusteringKey,
+			Nullable:         f.Nullable,
+			IsFunctionOutput: f.IsFunctionOutput,
+		}
+	}
+	return fieldInfos
+}
+
+func NewDatabase(resp *milvuspb.DescribeDatabaseResponse) *Database {
+	return &Database{
+		DBName:           resp.GetDbName(),
+		DBID:             resp.GetDbID(),
+		CreatedTimestamp: typeutil.TimestampToString(uint64(int64(resp.GetCreatedTimestamp()) / int64(time.Millisecond) / int64(time.Nanosecond))),
+		Properties:       funcutil.KeyValuePair2Map(resp.GetProperties()),
+	}
+}
+
+func NewDatabases(resp *milvuspb.ListDatabasesResponse) *Databases {
+	createdTimestamps := make([]string, len(resp.GetCreatedTimestamp()))
+	for i, ts := range resp.GetCreatedTimestamp() {
+		createdTimestamps[i] = typeutil.TimestampToString(uint64(int64(ts) / int64(time.Millisecond) / int64(time.Nanosecond)))
+	}
+	return &Databases{
+		Names:             resp.GetDbNames(),
+		IDs:               lo.Map(resp.GetDbIds(), func(t int64, i int) string { return strconv.FormatInt(t, 10) }),
+		CreatedTimestamps: createdTimestamps,
+	}
+}

pkg/util/tsoutil/tso.go

@@ -95,3 +95,7 @@ func SubByNow(ts uint64) int64 {
 	now := time.Now().UnixMilli()
 	return now - utcT
 }
+
+func PhysicalTimeFormat(ts uint64) string {
+	return PhysicalTime(ts).Format(time.DateTime)
+}

pkg/util/typeutil/time.go

@@ -47,6 +47,9 @@ func SubTimeByWallClock(after, before time.Time) time.Duration {
 }
 
 func TimestampToString(ts uint64) string {
-	ut := time.Unix(int64(ts), 0)
+	if ts <= 0 {
+		return ""
+	}
+	ut := time.UnixMilli(int64(ts))
 	return ut.Format(time.DateTime)
 }