enhance: Revert "feat: encode cluster id in auto id (#44324)" (#44426)

This reverts commit 7af159410395f0e7079d4875d96544c01f1d477b

configs/milvus.yaml

@@ -1039,7 +1039,6 @@ common:
   enableConfigParamTypeCheck: true # Indicates whether to enable config param type check
   enablePosixMode: false # Specifies whether to run in POSIX mode for enhanced file system compatibility
   UsingJSONStatsForQuery: true # Indicates whether to use json stats when query
-  clusterID: 0 # cluster id
 
 # QuotaConfig, configurations of Milvus quota and limits.
 # By default, we enable:

internal/datacoord/import_util.go

@@ -35,7 +35,6 @@ import (
 	"github.com/milvus-io/milvus/internal/datacoord/session"
 	"github.com/milvus-io/milvus/internal/storage"
 	"github.com/milvus-io/milvus/internal/util/importutilv2"
-	"github.com/milvus-io/milvus/pkg/v2/common"
 	"github.com/milvus-io/milvus/pkg/v2/log"
 	"github.com/milvus-io/milvus/pkg/v2/proto/datapb"
 	"github.com/milvus-io/milvus/pkg/v2/proto/internalpb"
@@ -339,10 +338,7 @@ func AssembleImportRequest(task ImportTask, job ImportJob, meta *meta, alloc all
 	expansionFactor := paramtable.Get().DataCoordCfg.ImportPreAllocIDExpansionFactor.GetAsInt64()
 	preAllocIDNum := (totalRows + 1) * int64(binlogNum) * expansionFactor
 
-	idBegin, idEnd, err := common.AllocAutoID(func(n uint32) (int64, int64, error) {
-		ids, ide, e := alloc.AllocN(int64(n))
-		return int64(ids), int64(ide), e
-	}, uint32(preAllocIDNum), Params.CommonCfg.ClusterID.GetAsUint64())
+	idBegin, idEnd, err := alloc.AllocN(preAllocIDNum)
 	if err != nil {
 		return nil, err
 	}

internal/proxy/task_insert.go

@@ -12,7 +12,6 @@ import (
 	"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
 	"github.com/milvus-io/milvus/internal/allocator"
 	"github.com/milvus-io/milvus/internal/util/function/embedding"
-	"github.com/milvus-io/milvus/pkg/v2/common"
 	"github.com/milvus-io/milvus/pkg/v2/log"
 	"github.com/milvus-io/milvus/pkg/v2/metrics"
 	"github.com/milvus-io/milvus/pkg/v2/util/commonpbutil"
@@ -184,8 +183,7 @@ func (it *insertTask) PreExecute(ctx context.Context) error {
 	var rowIDBegin UniqueID
 	var rowIDEnd UniqueID
 	tr := timerecord.NewTimeRecorder("applyPK")
-	clusterID := Params.CommonCfg.ClusterID.GetAsUint64()
-	rowIDBegin, rowIDEnd, _ = common.AllocAutoID(it.idAllocator.Alloc, rowNums, clusterID)
+	rowIDBegin, rowIDEnd, _ = it.idAllocator.Alloc(rowNums)
 	metrics.ProxyApplyPrimaryKeyLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
 
 	it.insertMsg.RowIDs = make([]UniqueID, rowNums)

internal/proxy/task_upsert.go

@@ -767,8 +767,7 @@ func (it *upsertTask) insertPreExecute(ctx context.Context) error {
 	rowNums := uint32(it.upsertMsg.InsertMsg.NRows())
 	// set upsertTask.insertRequest.rowIDs
 	tr := timerecord.NewTimeRecorder("applyPK")
-	clusterID := Params.CommonCfg.ClusterID.GetAsUint64()
-	rowIDBegin, rowIDEnd, _ := common.AllocAutoID(it.idAllocator.Alloc, rowNums, clusterID)
+	rowIDBegin, rowIDEnd, _ := it.idAllocator.Alloc(rowNums)
 	metrics.ProxyApplyPrimaryKeyLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
 
 	it.upsertMsg.InsertMsg.RowIDs = make([]UniqueID, rowNums)

pkg/common/common.go

@@ -19,7 +19,6 @@ package common
 import (
 	"encoding/binary"
 	"fmt"
-	"math/bits"
 	"strconv"
 	"strings"
 
@@ -516,15 +515,3 @@ func ParseNamespaceProp(props ...*commonpb.KeyValuePair) (value bool, has bool,
 	}
 	return false, false, nil
 }
-
-func AllocAutoID(allocFunc func(uint32) (int64, int64, error), rowNum uint32, clusterID uint64) (int64, int64, error) {
-	idStart, idEnd, err := allocFunc(rowNum)
-	if err != nil {
-		return 0, 0, err
-	}
-	reversed := bits.Reverse64(clusterID)
-	// right shift by 1 to preserve sign bit
-	reversed = reversed >> 1
-
-	return idStart | int64(reversed), idEnd | int64(reversed), nil
-}

pkg/common/common_test.go

@@ -288,12 +288,3 @@ func TestIsEnableDynamicSchema(t *testing.T) {
 		})
 	}
 }
-
-func TestAllocAutoID(t *testing.T) {
-	start, end, err := AllocAutoID(func(n uint32) (int64, int64, error) {
-		return 100, 110, nil
-	}, 10, 1)
-	assert.NoError(t, err)
-	assert.EqualValues(t, 0b0100, start>>60)
-	assert.EqualValues(t, 0b0100, end>>60)
-}

pkg/util/paramtable/component_param.go

@@ -57,7 +57,6 @@ const (
 	DefaultSearchCacheBudgetGBRatio = 0.10
 	DefaultLoadNumThreadRatio       = 8.0
 	DefaultBeamWidthRatio           = 4.0
-	MaxClusterIDBits                = 3
 )
 
 // ComponentParam is used to quickly and easily access all components' configurations.
@@ -329,7 +328,6 @@ type commonConfig struct {
 	EnablePosixMode ParamItem `refreshable:"false"`
 
 	UsingJSONStatsForQuery ParamItem `refreshable:"true"`
-	ClusterID              ParamItem `refreshable:"false"`
 }
 
 func (p *commonConfig) init(base *BaseTable) {
@@ -1250,26 +1248,6 @@ This helps Milvus-CDC synchronize incremental data`,
 		Export:       true,
 	}
 	p.EnablePosixMode.Init(base.mgr)
-
-	p.ClusterID = ParamItem{
-		Key:          "common.clusterID",
-		Version:      "2.6.3",
-		DefaultValue: "0",
-		Doc:          "cluster id",
-		Export:       true,
-		PanicIfEmpty: true,
-		Formatter: func(v string) string {
-			if getAsInt(v) < 0 {
-				return ""
-			}
-			maxClusterID := (int64(1) << MaxClusterIDBits) - 1
-			if getAsInt64(v) > maxClusterID {
-				return ""
-			}
-			return v
-		},
-	}
-	p.ClusterID.Init(base.mgr)
 }
 
 type gpuConfig struct {

pkg/util/paramtable/component_param_test.go

@@ -146,13 +146,6 @@ func TestComponentParam(t *testing.T) {
 		assert.Equal(t, 1, params.CommonCfg.StorageZstdConcurrency.GetAsInt())
 		params.Save("common.storage.zstd.concurrency", "2")
 		assert.Equal(t, 2, params.CommonCfg.StorageZstdConcurrency.GetAsInt())
-
-		assert.Equal(t, 0, params.CommonCfg.ClusterID.GetAsInt())
-		params.Save("common.clusterID", "32")
-		assert.Panics(t, func() {
-			params.CommonCfg.ClusterID.GetAsInt()
-		})
-		params.Save("common.clusterID", "0")
 	})
 
 	t.Run("test rootCoordConfig", func(t *testing.T) {