milvus/tests/integration/balance/balance_test.go
wei liu 03eaa5d478
fix: Load segment task promote failed (#31430)
issue: #30816

pr #31319 introduce the logic that segment checker need to load level
zero segment which only exist in current target.

This PR fix load segment task promote failed when segment only belongs
to current target

---------

Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2024-03-21 18:09:07 +08:00

342 lines
12 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package balance
import (
"context"
"fmt"
"strconv"
"strings"
"testing"
"time"
"github.com/golang/protobuf/proto"
"github.com/samber/lo"
"github.com/stretchr/testify/suite"
"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/internal/proto/datapb"
"github.com/milvus-io/milvus/internal/proto/querypb"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/util/commonpbutil"
"github.com/milvus-io/milvus/pkg/util/funcutil"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/metric"
"github.com/milvus-io/milvus/pkg/util/paramtable"
"github.com/milvus-io/milvus/tests/integration"
)
type BalanceTestSuit struct {
integration.MiniClusterSuite
}
func (s *BalanceTestSuit) SetupSuite() {
paramtable.Init()
paramtable.Get().Save(paramtable.Get().QueryCoordCfg.BalanceCheckInterval.Key, "1000")
paramtable.Get().Save(paramtable.Get().QueryNodeCfg.GracefulStopTimeout.Key, "1")
s.Require().NoError(s.SetupEmbedEtcd())
}
func (s *BalanceTestSuit) initCollection(collectionName string, replica int, channelNum int, segmentNum int, segmentRowNum int, segmentDeleteNum int) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
const (
dim = 128
dbName = ""
)
schema := integration.ConstructSchema(collectionName, dim, true)
marshaledSchema, err := proto.Marshal(schema)
s.NoError(err)
createCollectionStatus, err := s.Cluster.Proxy.CreateCollection(ctx, &milvuspb.CreateCollectionRequest{
DbName: dbName,
CollectionName: collectionName,
Schema: marshaledSchema,
ShardsNum: int32(channelNum),
})
s.NoError(err)
s.True(merr.Ok(createCollectionStatus))
log.Info("CreateCollection result", zap.Any("createCollectionStatus", createCollectionStatus))
showCollectionsResp, err := s.Cluster.Proxy.ShowCollections(ctx, &milvuspb.ShowCollectionsRequest{})
s.NoError(err)
s.True(merr.Ok(showCollectionsResp.Status))
log.Info("ShowCollections result", zap.Any("showCollectionsResp", showCollectionsResp))
for i := 0; i < segmentNum; i++ {
fVecColumn := integration.NewFloatVectorFieldData(integration.FloatVecField, segmentRowNum, dim)
hashKeys := integration.GenerateHashKeys(segmentRowNum)
insertResult, err := s.Cluster.Proxy.Insert(ctx, &milvuspb.InsertRequest{
DbName: dbName,
CollectionName: collectionName,
FieldsData: []*schemapb.FieldData{fVecColumn},
HashKeys: hashKeys,
NumRows: uint32(segmentRowNum),
})
s.NoError(err)
s.True(merr.Ok(insertResult.Status))
if segmentDeleteNum > 0 {
if segmentDeleteNum > segmentRowNum {
segmentDeleteNum = segmentRowNum
}
pks := insertResult.GetIDs().GetIntId().GetData()
expr := fmt.Sprintf("%s in [%s]", integration.Int64Field, strings.Join(lo.Map(pks, func(pk int64, _ int) string { return strconv.FormatInt(pk, 10) }), ","))
log.Info("========================delete expr==================",
zap.String("expr", expr),
)
deleteResp, err := s.Cluster.Proxy.Delete(ctx, &milvuspb.DeleteRequest{
CollectionName: collectionName,
Expr: expr,
})
s.Require().NoError(err)
s.Require().True(merr.Ok(deleteResp.GetStatus()))
s.Require().EqualValues(len(pks), deleteResp.GetDeleteCnt())
}
// flush
flushResp, err := s.Cluster.Proxy.Flush(ctx, &milvuspb.FlushRequest{
DbName: dbName,
CollectionNames: []string{collectionName},
})
s.NoError(err)
segmentIDs, has := flushResp.GetCollSegIDs()[collectionName]
ids := segmentIDs.GetData()
s.Require().NotEmpty(segmentIDs)
s.Require().True(has)
flushTs, has := flushResp.GetCollFlushTs()[collectionName]
s.True(has)
s.WaitForFlush(ctx, ids, flushTs, dbName, collectionName)
}
// create index
createIndexStatus, err := s.Cluster.Proxy.CreateIndex(ctx, &milvuspb.CreateIndexRequest{
CollectionName: collectionName,
FieldName: integration.FloatVecField,
IndexName: "_default",
ExtraParams: integration.ConstructIndexParam(dim, integration.IndexFaissIvfFlat, metric.L2),
})
s.NoError(err)
s.True(merr.Ok(createIndexStatus))
s.WaitForIndexBuilt(ctx, collectionName, integration.FloatVecField)
for i := 1; i < replica; i++ {
s.Cluster.AddQueryNode()
}
// load
loadStatus, err := s.Cluster.Proxy.LoadCollection(ctx, &milvuspb.LoadCollectionRequest{
DbName: dbName,
CollectionName: collectionName,
ReplicaNumber: int32(replica),
})
s.NoError(err)
s.Equal(commonpb.ErrorCode_Success, loadStatus.GetErrorCode())
s.True(merr.Ok(loadStatus))
s.WaitForLoad(ctx, collectionName)
log.Info("initCollection Done")
}
func (s *BalanceTestSuit) TestBalanceOnSingleReplica() {
name := "test_balance_" + funcutil.GenRandomStr()
s.initCollection(name, 1, 2, 2, 2000, 500)
ctx := context.Background()
// disable compact
s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Pause,
Params: []*commonpb.KeyValuePair{
{Key: "duration", Value: "3600"},
},
})
defer s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Resume,
})
// add a querynode, expected balance happens
qn := s.Cluster.AddQueryNode()
// check segment number on new querynode
s.Eventually(func() bool {
resp, err := qn.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp.GetStatus()))
return len(resp.Channels) == 1 && len(resp.Segments) >= 2
}, 30*time.Second, 1*time.Second)
// check total segment number
s.Eventually(func() bool {
count := 0
for _, node := range s.Cluster.GetAllQueryNodes() {
resp1, err := node.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp1.GetStatus()))
count += len(resp1.Segments)
}
return count == 8
}, 10*time.Second, 1*time.Second)
}
func (s *BalanceTestSuit) TestBalanceOnMultiReplica() {
ctx := context.Background()
// disable compact
s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Pause,
Params: []*commonpb.KeyValuePair{
{Key: "duration", Value: "3600"},
},
})
defer s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Resume,
})
// init collection with 2 channel, each channel has 4 segment, each segment has 2000 row
// and load it with 2 replicas on 2 nodes.
// then we add 2 query node, after balance happens, expected each node have 1 channel and 2 segments
name := "test_balance_" + funcutil.GenRandomStr()
s.initCollection(name, 2, 2, 2, 2000, 500)
resp, err := s.Cluster.Proxy.GetReplicas(ctx, &milvuspb.GetReplicasRequest{CollectionName: name})
s.NoError(err)
s.Len(resp.Replicas, 2)
// add a querynode, expected balance happens
qn1 := s.Cluster.AddQueryNode()
qn2 := s.Cluster.AddQueryNode()
// check segment num on new query node
s.Eventually(func() bool {
resp, err := qn1.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
return len(resp.Channels) == 1 && len(resp.Segments) >= 2
}, 30*time.Second, 1*time.Second)
s.Eventually(func() bool {
resp, err := qn2.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
return len(resp.Channels) == 1 && len(resp.Segments) >= 2
}, 30*time.Second, 1*time.Second)
// check total segment num
s.Eventually(func() bool {
count := 0
for _, node := range s.Cluster.GetAllQueryNodes() {
resp1, err := node.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp1.GetStatus()))
count += len(resp1.Segments)
}
return count == 16
}, 10*time.Second, 1*time.Second)
}
func (s *BalanceTestSuit) TestNodeDown() {
ctx := context.Background()
// disable compact
s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Pause,
Params: []*commonpb.KeyValuePair{
{Key: "duration", Value: "3600"},
},
})
defer s.Cluster.DataCoord.GcControl(ctx, &datapb.GcControlRequest{
Base: commonpbutil.NewMsgBase(),
Command: datapb.GcCommand_Resume,
})
// disable balance channel
paramtable.Get().Save(paramtable.Get().QueryCoordCfg.AutoBalanceChannel.Key, "false")
paramtable.Get().Save(paramtable.Get().QueryCoordCfg.EnableStoppingBalance.Key, "false")
// init collection with 3 channel, each channel has 15 segment, each segment has 2000 row
// and load it with 2 replicas on 2 nodes.
name := "test_balance_" + funcutil.GenRandomStr()
s.initCollection(name, 1, 2, 15, 2000, 500)
// then we add 2 query node, after balance happens, expected each node have 1 channel and 2 segments
qn1 := s.Cluster.AddQueryNode()
qn2 := s.Cluster.AddQueryNode()
// check segment num on new query node
s.Eventually(func() bool {
resp, err := qn1.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp.GetStatus()))
log.Info("resp", zap.Any("channel", resp.Channels), zap.Any("segments", resp.Segments))
return len(resp.Channels) == 0 && len(resp.Segments) >= 10
}, 30*time.Second, 1*time.Second)
s.Eventually(func() bool {
resp, err := qn2.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp.GetStatus()))
log.Info("resp", zap.Any("channel", resp.Channels), zap.Any("segments", resp.Segments))
return len(resp.Channels) == 0 && len(resp.Segments) >= 10
}, 30*time.Second, 1*time.Second)
// then we force stop qn1 and resume balance channel, let balance channel and load segment happens concurrently on qn2
paramtable.Get().Reset(paramtable.Get().QueryCoordCfg.AutoBalanceChannel.Key)
time.Sleep(1 * time.Second)
qn1.Stop()
info, err := s.Cluster.Proxy.DescribeCollection(ctx, &milvuspb.DescribeCollectionRequest{
Base: commonpbutil.NewMsgBase(),
CollectionName: name,
})
s.NoError(err)
s.True(merr.Ok(info.GetStatus()))
collectionID := info.GetCollectionID()
// expected channel and segment concurrent move to qn2
s.Eventually(func() bool {
resp, err := qn2.GetDataDistribution(ctx, &querypb.GetDataDistributionRequest{})
s.NoError(err)
s.True(merr.Ok(resp.GetStatus()))
log.Info("resp", zap.Any("channel", resp.Channels), zap.Any("segments", resp.Segments))
return len(resp.Channels) == 1 && len(resp.Segments) >= 15
}, 30*time.Second, 1*time.Second)
// expect all delegator will recover to healthy
s.Eventually(func() bool {
resp, err := s.Cluster.QueryCoord.GetShardLeaders(ctx, &querypb.GetShardLeadersRequest{
Base: commonpbutil.NewMsgBase(),
CollectionID: collectionID,
})
s.NoError(err)
return len(resp.Shards) == 2
}, 30*time.Second, 1*time.Second)
}
func TestBalance(t *testing.T) {
suite.Run(t, new(BalanceTestSuit))
}