milvus/internal/querycoord/query_coord_test.go
congqixia 69252f812d
Implement memory replica in Proxy, QueryNode and QueryCoord (#16470)
Related to #16298 #16291 #16154
Co-authored-by: sunby <bingyi.sun@zilliz.com>
Co-authored-by: yangxuan <xuan.yang@zilliz.com>
Co-authored-by: yah01 <yang.cen@zilliz.com>
Co-authored-by: Letian Jiang <letian.jiang@zilliz.com>

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2022-04-20 16:15:41 +08:00

631 lines
18 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 querycoord
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"os"
"os/signal"
"strconv"
"syscall"
"testing"
"time"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
etcdkv "github.com/milvus-io/milvus/internal/kv/etcd"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/querypb"
"github.com/milvus-io/milvus/internal/util/dependency"
"github.com/milvus-io/milvus/internal/util/etcd"
"github.com/milvus-io/milvus/internal/util/sessionutil"
)
var queryCoordTestDir = "/tmp/milvus_test/query_coord"
func setup() {
Params.Init()
}
func refreshParams() {
rand.Seed(time.Now().UnixNano())
suffix := "-test-query-Coord" + strconv.FormatInt(rand.Int63(), 10)
Params.CommonCfg.QueryNodeStats = Params.CommonCfg.QueryNodeStats + suffix
Params.CommonCfg.QueryCoordTimeTick = Params.CommonCfg.QueryCoordTimeTick + suffix
Params.EtcdCfg.MetaRootPath = Params.EtcdCfg.MetaRootPath + suffix
Params.CommonCfg.RootCoordDml = "Dml"
Params.CommonCfg.RootCoordDelta = "delta"
GlobalSegmentInfos = make(map[UniqueID]*querypb.SegmentInfo)
}
func TestMain(m *testing.M) {
setup()
//refreshChannelNames()
exitCode := m.Run()
os.Exit(exitCode)
}
func NewQueryCoordTest(ctx context.Context, factory dependency.Factory) (*QueryCoord, error) {
queryCoord, err := NewQueryCoord(ctx, factory)
if err != nil {
return nil, err
}
queryCoord.newNodeFn = newQueryNodeTest
return queryCoord, nil
}
func startQueryCoord(ctx context.Context) (*QueryCoord, error) {
factory := dependency.NewDefaultFactory(true)
coord, err := NewQueryCoordTest(ctx, factory)
if err != nil {
return nil, err
}
rootCoord := newRootCoordMock(ctx)
rootCoord.createCollection(defaultCollectionID)
rootCoord.createPartition(defaultCollectionID, defaultPartitionID)
dataCoord := newDataCoordMock(ctx)
indexCoord, err := newIndexCoordMock(queryCoordTestDir)
if err != nil {
return nil, err
}
coord.SetRootCoord(rootCoord)
coord.SetDataCoord(dataCoord)
coord.SetIndexCoord(indexCoord)
etcd, err := etcd.GetEtcdClient(&Params.EtcdCfg)
if err != nil {
return nil, err
}
coord.SetEtcdClient(etcd)
err = coord.Init()
if err != nil {
return nil, err
}
err = coord.Start()
if err != nil {
return nil, err
}
err = coord.Register()
if err != nil {
return nil, err
}
return coord, nil
}
func createDefaultPartition(ctx context.Context, queryCoord *QueryCoord) error {
_, err := queryCoord.rootCoordClient.CreatePartition(ctx, nil)
return err
}
func startUnHealthyQueryCoord(ctx context.Context) (*QueryCoord, error) {
factory := dependency.NewDefaultFactory(true)
coord, err := NewQueryCoordTest(ctx, factory)
if err != nil {
return nil, err
}
rootCoord := newRootCoordMock(ctx)
rootCoord.createCollection(defaultCollectionID)
rootCoord.createPartition(defaultCollectionID, defaultPartitionID)
dataCoord := newDataCoordMock(ctx)
coord.SetRootCoord(rootCoord)
coord.SetDataCoord(dataCoord)
etcd, err := etcd.GetEtcdClient(&Params.EtcdCfg)
if err != nil {
return nil, err
}
coord.SetEtcdClient(etcd)
err = coord.Init()
if err != nil {
return nil, err
}
err = coord.Register()
if err != nil {
return nil, err
}
return coord, nil
}
func TestWatchNodeLoop(t *testing.T) {
baseCtx := context.Background()
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
t.Run("Test OfflineNodes", func(t *testing.T) {
refreshParams()
kv := etcdkv.NewEtcdKV(etcdCli, Params.EtcdCfg.MetaRootPath)
kvs := make(map[string]string)
session := &sessionutil.Session{
ServerID: 100,
Address: "localhost",
}
sessionBlob, err := json.Marshal(session)
assert.Nil(t, err)
sessionKey := fmt.Sprintf("%s/%d", queryNodeInfoPrefix, 100)
kvs[sessionKey] = string(sessionBlob)
collectionInfo := &querypb.CollectionInfo{
CollectionID: defaultCollectionID,
}
collectionBlobs, err := proto.Marshal(collectionInfo)
assert.Nil(t, err)
nodeKey := fmt.Sprintf("%s/%d", collectionMetaPrefix, defaultCollectionID)
kvs[nodeKey] = string(collectionBlobs)
err = kv.MultiSave(kvs)
assert.Nil(t, err)
queryCoord, err := startQueryCoord(baseCtx)
assert.Nil(t, err)
for {
offlineNodeIDs := queryCoord.cluster.offlineNodeIDs()
if len(offlineNodeIDs) != 0 {
log.Warn("find offline Nodes", zap.Int64s("offlineNodeIDs", offlineNodeIDs))
break
}
// if session id not exist, means querycoord already handled it and remove
_, err = kv.Load(sessionKey)
if err != nil {
log.Warn("already handled by querycoord", zap.Error(err))
break
}
time.Sleep(time.Duration(1) * time.Second)
}
queryCoord.Stop()
err = removeAllSession()
assert.Nil(t, err)
})
t.Run("Test RegisterNewNode", func(t *testing.T) {
refreshParams()
queryCoord, err := startQueryCoord(baseCtx)
assert.Nil(t, err)
queryNode1, err := startQueryNodeServer(baseCtx)
assert.Nil(t, err)
nodeID := queryNode1.queryNodeID
waitQueryNodeOnline(queryCoord.cluster, nodeID)
queryCoord.Stop()
queryNode1.stop()
err = removeAllSession()
assert.Nil(t, err)
})
t.Run("Test RemoveNode", func(t *testing.T) {
refreshParams()
queryNode1, err := startQueryNodeServer(baseCtx)
assert.Nil(t, err)
queryCoord, err := startQueryCoord(baseCtx)
assert.Nil(t, err)
nodeID := queryNode1.queryNodeID
waitQueryNodeOnline(queryCoord.cluster, nodeID)
onlineNodeIDs := queryCoord.cluster.onlineNodeIDs()
assert.Equal(t, 1, len(onlineNodeIDs))
queryNode1.stop()
err = removeNodeSession(nodeID)
assert.Nil(t, err)
waitAllQueryNodeOffline(queryCoord.cluster, onlineNodeIDs)
queryCoord.Stop()
err = removeAllSession()
assert.Nil(t, err)
})
}
func TestHandleNodeEventClosed(t *testing.T) {
ech := make(chan *sessionutil.SessionEvent)
qc := &QueryCoord{
eventChan: ech,
session: &sessionutil.Session{
TriggerKill: true,
ServerID: 0,
},
}
flag := false
closed := false
sigDone := make(chan struct{}, 1)
sigQuit := make(chan struct{}, 1)
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT)
defer signal.Reset(syscall.SIGINT)
go func() {
qc.handleNodeEvent(context.Background())
flag = true
sigDone <- struct{}{}
}()
go func() {
<-sc
closed = true
sigQuit <- struct{}{}
}()
close(ech)
<-sigDone
<-sigQuit
assert.True(t, flag)
assert.True(t, closed)
}
func TestHandoffSegmentLoop(t *testing.T) {
refreshParams()
baseCtx := context.Background()
queryCoord, err := startQueryCoord(baseCtx)
assert.Nil(t, err)
rootCoord := queryCoord.rootCoordClient.(*rootCoordMock)
rootCoord.enableIndex = true
queryNode1, err := startQueryNodeServer(baseCtx)
assert.Nil(t, err)
waitQueryNodeOnline(queryCoord.cluster, queryNode1.queryNodeID)
t.Run("Test watchHandoffLoop", func(t *testing.T) {
segmentInfo := &querypb.SegmentInfo{
SegmentID: defaultSegmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID,
SegmentState: commonpb.SegmentState_Sealed,
}
key := fmt.Sprintf("%s/%d/%d/%d", handoffSegmentPrefix, defaultCollectionID, defaultPartitionID, defaultSegmentID)
value, err := proto.Marshal(segmentInfo)
assert.Nil(t, err)
err = queryCoord.kvClient.Save(key, string(value))
assert.Nil(t, err)
for {
_, err := queryCoord.kvClient.Load(key)
if err != nil {
break
}
}
})
loadPartitionTask := genLoadPartitionTask(baseCtx, queryCoord)
err = queryCoord.scheduler.Enqueue(loadPartitionTask)
assert.Nil(t, err)
waitTaskFinalState(loadPartitionTask, taskExpired)
t.Run("Test partitionNotLoaded", func(t *testing.T) {
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: defaultSegmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID + 1,
SegmentState: commonpb.SegmentState_Sealed,
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskExpired)
})
loadCollectionTask := genLoadCollectionTask(baseCtx, queryCoord)
err = queryCoord.scheduler.Enqueue(loadCollectionTask)
assert.Nil(t, err)
waitTaskFinalState(loadCollectionTask, taskExpired)
queryCoord.meta.setLoadType(defaultCollectionID, querypb.LoadType_LoadCollection)
t.Run("Test handoffGrowingSegment", func(t *testing.T) {
infos := queryCoord.meta.showSegmentInfos(defaultCollectionID, nil)
assert.NotEqual(t, 0, len(infos))
segmentID := defaultSegmentID + 4
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: segmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID + 2,
SegmentState: commonpb.SegmentState_Sealed,
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskExpired)
})
t.Run("Test binlogNotExist", func(t *testing.T) {
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: defaultSegmentID + 100,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID,
SegmentState: commonpb.SegmentState_Sealed,
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskFailed)
})
t.Run("Test sealedSegmentExist", func(t *testing.T) {
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: defaultSegmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID,
SegmentState: commonpb.SegmentState_Sealed,
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskFailed)
})
t.Run("Test handoffCompactionSegment", func(t *testing.T) {
infos := queryCoord.meta.showSegmentInfos(defaultCollectionID, nil)
assert.NotEqual(t, 0, len(infos))
segmentID := defaultSegmentID + 5
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: segmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID + 2,
SegmentState: commonpb.SegmentState_Sealed,
CompactionFrom: []UniqueID{defaultSegmentID, defaultSegmentID + 1},
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskExpired)
_, err = queryCoord.meta.getSegmentInfoByID(segmentID)
assert.Nil(t, err)
_, err = queryCoord.meta.getSegmentInfoByID(defaultSegmentID)
assert.NotNil(t, err)
_, err = queryCoord.meta.getSegmentInfoByID(defaultSegmentID + 1)
assert.NotNil(t, err)
})
t.Run("Test handoffCompactionSegmentNotExist", func(t *testing.T) {
infos := queryCoord.meta.showSegmentInfos(defaultCollectionID, nil)
assert.NotEqual(t, 0, len(infos))
segmentID := defaultSegmentID + 6
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: segmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID + 2,
SegmentState: commonpb.SegmentState_Sealed,
CompactionFrom: []UniqueID{defaultSegmentID + 2, defaultSegmentID + 100},
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskFailed)
_, err = queryCoord.meta.getSegmentInfoByID(segmentID)
assert.NotNil(t, err)
_, err = queryCoord.meta.getSegmentInfoByID(defaultSegmentID + 2)
assert.Nil(t, err)
_, err = queryCoord.meta.getSegmentInfoByID(defaultSegmentID + 100)
assert.NotNil(t, err)
})
releasePartitionTask := genReleasePartitionTask(baseCtx, queryCoord)
err = queryCoord.scheduler.Enqueue(releasePartitionTask)
assert.Nil(t, err)
waitTaskFinalState(releasePartitionTask, taskExpired)
t.Run("Test handoffReleasedPartition", func(t *testing.T) {
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_Handoff)
segmentInfo := &querypb.SegmentInfo{
SegmentID: defaultSegmentID,
CollectionID: defaultCollectionID,
PartitionID: defaultPartitionID,
SegmentState: commonpb.SegmentState_Sealed,
}
handoffReq := &querypb.HandoffSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_HandoffSegments,
},
SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
}
handoffTask := &handoffTask{
baseTask: baseTask,
HandoffSegmentsRequest: handoffReq,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(handoffTask)
assert.Nil(t, err)
waitTaskFinalState(handoffTask, taskExpired)
})
queryCoord.Stop()
err = removeAllSession()
assert.Nil(t, err)
}
func TestLoadBalanceSegmentLoop(t *testing.T) {
refreshParams()
Params.QueryCoordCfg.BalanceIntervalSeconds = 10
baseCtx := context.Background()
queryCoord, err := startQueryCoord(baseCtx)
assert.Nil(t, err)
queryCoord.cluster.(*queryNodeCluster).segmentAllocator = shuffleSegmentsToQueryNode
queryNode1, err := startQueryNodeServer(baseCtx)
assert.Nil(t, err)
waitQueryNodeOnline(queryCoord.cluster, queryNode1.queryNodeID)
loadCollectionTask := genLoadCollectionTask(baseCtx, queryCoord)
err = queryCoord.scheduler.Enqueue(loadCollectionTask)
assert.Nil(t, err)
waitTaskFinalState(loadCollectionTask, taskExpired)
partitionID := defaultPartitionID
for {
req := &querypb.LoadPartitionsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_LoadPartitions,
},
CollectionID: defaultCollectionID,
PartitionIDs: []UniqueID{partitionID},
Schema: genDefaultCollectionSchema(false),
ReplicaNumber: 1,
}
baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_GrpcRequest)
loadPartitionTask := &loadPartitionTask{
baseTask: baseTask,
LoadPartitionsRequest: req,
broker: queryCoord.broker,
cluster: queryCoord.cluster,
meta: queryCoord.meta,
}
err = queryCoord.scheduler.Enqueue(loadPartitionTask)
assert.Nil(t, err)
waitTaskFinalState(loadPartitionTask, taskExpired)
nodeInfo, err := queryCoord.cluster.getNodeInfoByID(queryNode1.queryNodeID)
assert.Nil(t, err)
if nodeInfo.(*queryNode).memUsageRate >= Params.QueryCoordCfg.OverloadedMemoryThresholdPercentage {
break
}
partitionID++
}
queryNode2, err := startQueryNodeServer(baseCtx)
assert.Nil(t, err)
waitQueryNodeOnline(queryCoord.cluster, queryNode2.queryNodeID)
// if sealed has been balance to query node2, than balance work
for {
segmentInfos, err := queryCoord.cluster.getSegmentInfoByNode(baseCtx, queryNode2.queryNodeID, &querypb.GetSegmentInfoRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_LoadBalanceSegments,
},
CollectionID: defaultCollectionID,
})
assert.Nil(t, err)
if len(segmentInfos) > 0 {
break
}
}
queryCoord.Stop()
err = removeAllSession()
assert.Nil(t, err)
}