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06b191b164
issue: #30816 cause balance channel will stuck until leader view catch up the current target, then start to unsub the old delegator. which make sure that the new delegator can provide search before release old delegator. but another logic in segment_checker skip loading segment during balance channel. so during balance channel, if query node crash, new delegator can't catch up target forever, then stuck forever. This PR remove the rule that skip loading segment during balance channel to avoid the logic dead lock here. Signed-off-by: Wei Liu <wei.liu@zilliz.com>
481 lines
18 KiB
Go
481 lines
18 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package checkers
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import (
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"context"
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"sort"
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"testing"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/suite"
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus/internal/kv"
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etcdkv "github.com/milvus-io/milvus/internal/kv/etcd"
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"github.com/milvus-io/milvus/internal/metastore/kv/querycoord"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/querycoordv2/balance"
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"github.com/milvus-io/milvus/internal/querycoordv2/meta"
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. "github.com/milvus-io/milvus/internal/querycoordv2/params"
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"github.com/milvus-io/milvus/internal/querycoordv2/session"
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"github.com/milvus-io/milvus/internal/querycoordv2/task"
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"github.com/milvus-io/milvus/internal/querycoordv2/utils"
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"github.com/milvus-io/milvus/pkg/util/etcd"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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type SegmentCheckerTestSuite struct {
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suite.Suite
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kv kv.MetaKv
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checker *SegmentChecker
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meta *meta.Meta
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broker *meta.MockBroker
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nodeMgr *session.NodeManager
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}
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func (suite *SegmentCheckerTestSuite) SetupSuite() {
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paramtable.Init()
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}
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func (suite *SegmentCheckerTestSuite) SetupTest() {
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var err error
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config := GenerateEtcdConfig()
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cli, err := etcd.GetEtcdClient(
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config.UseEmbedEtcd.GetAsBool(),
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config.EtcdUseSSL.GetAsBool(),
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config.Endpoints.GetAsStrings(),
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config.EtcdTLSCert.GetValue(),
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config.EtcdTLSKey.GetValue(),
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config.EtcdTLSCACert.GetValue(),
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config.EtcdTLSMinVersion.GetValue())
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suite.Require().NoError(err)
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suite.kv = etcdkv.NewEtcdKV(cli, config.MetaRootPath.GetValue())
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// meta
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store := querycoord.NewCatalog(suite.kv)
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idAllocator := RandomIncrementIDAllocator()
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suite.nodeMgr = session.NewNodeManager()
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suite.meta = meta.NewMeta(idAllocator, store, suite.nodeMgr)
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distManager := meta.NewDistributionManager()
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suite.broker = meta.NewMockBroker(suite.T())
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targetManager := meta.NewTargetManager(suite.broker, suite.meta)
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balancer := suite.createMockBalancer()
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suite.checker = NewSegmentChecker(suite.meta, distManager, targetManager, balancer, suite.nodeMgr)
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suite.broker.EXPECT().GetPartitions(mock.Anything, int64(1)).Return([]int64{1}, nil).Maybe()
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}
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func (suite *SegmentCheckerTestSuite) TearDownTest() {
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suite.kv.Close()
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}
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func (suite *SegmentCheckerTestSuite) createMockBalancer() balance.Balance {
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balancer := balance.NewMockBalancer(suite.T())
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balancer.EXPECT().AssignSegment(mock.Anything, mock.Anything, mock.Anything).Maybe().Return(func(collectionID int64, segments []*meta.Segment, nodes []int64) []balance.SegmentAssignPlan {
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plans := make([]balance.SegmentAssignPlan, 0, len(segments))
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for i, s := range segments {
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plan := balance.SegmentAssignPlan{
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Segment: s,
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From: -1,
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To: nodes[i%len(nodes)],
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ReplicaID: -1,
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}
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plans = append(plans, plan)
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}
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return plans
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})
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return balancer
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}
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func (suite *SegmentCheckerTestSuite) TestLoadSegments() {
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checker := suite.checker
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// set meta
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
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suite.nodeMgr.Add(session.NewNodeInfo(1, "localhost"))
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suite.nodeMgr.Add(session.NewNodeInfo(2, "localhost"))
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checker.meta.ResourceManager.AssignNode(meta.DefaultResourceGroupName, 1)
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checker.meta.ResourceManager.AssignNode(meta.DefaultResourceGroupName, 2)
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// set target
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segments := []*datapb.SegmentInfo{
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{
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ID: 1,
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PartitionID: 1,
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InsertChannel: "test-insert-channel",
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},
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}
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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},
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}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, segments, nil)
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checker.targetMgr.UpdateCollectionNextTarget(int64(1))
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// set dist
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checker.dist.ChannelDistManager.Update(2, utils.CreateTestChannel(1, 2, 1, "test-insert-channel"))
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checker.dist.LeaderViewManager.Update(2, utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{}, map[int64]*meta.Segment{}))
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 1)
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suite.Len(tasks[0].Actions(), 1)
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action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeGrow, action.Type())
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suite.EqualValues(1, action.SegmentID())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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// test activation
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checker.Deactivate()
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suite.False(checker.IsActive())
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tasks = checker.Check(context.TODO())
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suite.Len(tasks, 0)
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checker.Activate()
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suite.True(checker.IsActive())
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tasks = checker.Check(context.TODO())
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suite.Len(tasks, 1)
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}
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func (suite *SegmentCheckerTestSuite) TestSkipLoadSegments() {
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checker := suite.checker
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// set meta
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
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suite.nodeMgr.Add(session.NewNodeInfo(1, "localhost"))
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suite.nodeMgr.Add(session.NewNodeInfo(2, "localhost"))
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checker.meta.ResourceManager.AssignNode(meta.DefaultResourceGroupName, 1)
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checker.meta.ResourceManager.AssignNode(meta.DefaultResourceGroupName, 2)
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// set target
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segments := []*datapb.SegmentInfo{
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{
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ID: 1,
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PartitionID: 1,
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InsertChannel: "test-insert-channel",
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},
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}
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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},
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}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, segments, nil)
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checker.targetMgr.UpdateCollectionNextTarget(int64(1))
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// when channel not subscribed, segment_checker won't generate load segment task
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 0)
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}
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func (suite *SegmentCheckerTestSuite) TestReleaseSegments() {
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checker := suite.checker
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// set meta
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
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// set target
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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},
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}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, nil, nil)
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checker.targetMgr.UpdateCollectionNextTarget(int64(1))
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// set dist
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checker.dist.ChannelDistManager.Update(2, utils.CreateTestChannel(1, 2, 1, "test-insert-channel"))
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checker.dist.LeaderViewManager.Update(2, utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{}, map[int64]*meta.Segment{}))
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checker.dist.SegmentDistManager.Update(1, utils.CreateTestSegment(1, 1, 2, 1, 1, "test-insert-channel"))
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 1)
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suite.Len(tasks[0].Actions(), 1)
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action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
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suite.EqualValues(2, action.SegmentID())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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}
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func (suite *SegmentCheckerTestSuite) TestReleaseRepeatedSegments() {
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checker := suite.checker
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// set meta
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
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// set target
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segments := []*datapb.SegmentInfo{
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{
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ID: 1,
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PartitionID: 1,
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InsertChannel: "test-insert-channel",
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},
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}
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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},
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}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, segments, nil)
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checker.targetMgr.UpdateCollectionNextTarget(int64(1))
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// set dist
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checker.dist.ChannelDistManager.Update(2, utils.CreateTestChannel(1, 2, 1, "test-insert-channel"))
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checker.dist.LeaderViewManager.Update(2, utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{1: 2}, map[int64]*meta.Segment{}))
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checker.dist.SegmentDistManager.Update(1, utils.CreateTestSegment(1, 1, 1, 1, 1, "test-insert-channel"))
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checker.dist.SegmentDistManager.Update(2, utils.CreateTestSegment(1, 1, 1, 1, 2, "test-insert-channel"))
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 1)
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suite.Len(tasks[0].Actions(), 1)
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action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
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suite.EqualValues(1, action.SegmentID())
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suite.EqualValues(1, action.Node())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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// test less version exist on leader
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checker.dist.LeaderViewManager.Update(2, utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{1: 1}, map[int64]*meta.Segment{}))
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tasks = checker.Check(context.TODO())
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suite.Len(tasks, 0)
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}
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func (suite *SegmentCheckerTestSuite) TestSkipReleaseSealedSegments() {
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checker := suite.checker
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collectionID := int64(1)
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partitionID := int64(1)
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// set meta
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(collectionID, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(collectionID, partitionID))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, collectionID, []int64{1, 2}))
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// set target
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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SeekPosition: &msgpb.MsgPosition{Timestamp: 10},
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},
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}
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segments := []*datapb.SegmentInfo{}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, segments, nil)
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checker.targetMgr.UpdateCollectionNextTarget(collectionID)
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checker.targetMgr.UpdateCollectionCurrentTarget(collectionID)
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readableVersion := checker.targetMgr.GetCollectionTargetVersion(collectionID, meta.CurrentTarget)
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// test less target version exist on leader,meet segment doesn't exit in target, segment should be released
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nodeID := int64(2)
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segmentID := int64(1)
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checker.dist.ChannelDistManager.Update(nodeID, utils.CreateTestChannel(collectionID, nodeID, segmentID, "test-insert-channel"))
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view := utils.CreateTestLeaderView(nodeID, collectionID, "test-insert-channel", map[int64]int64{segmentID: 2}, map[int64]*meta.Segment{})
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view.TargetVersion = readableVersion - 1
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checker.dist.LeaderViewManager.Update(nodeID, view)
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checker.dist.SegmentDistManager.Update(nodeID, utils.CreateTestSegment(collectionID, partitionID, segmentID, nodeID, 2, "test-insert-channel"))
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 0)
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// test leader's target version update to latest,meet segment doesn't exit in target, segment should be released
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view = utils.CreateTestLeaderView(nodeID, collectionID, "test-insert-channel", map[int64]int64{1: 3}, map[int64]*meta.Segment{})
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view.TargetVersion = readableVersion
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checker.dist.LeaderViewManager.Update(2, view)
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tasks = checker.Check(context.TODO())
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suite.Len(tasks, 1)
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suite.Len(tasks[0].Actions(), 1)
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action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
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suite.EqualValues(segmentID, action.SegmentID())
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suite.EqualValues(nodeID, action.Node())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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// test leader with initialTargetVersion, meet segment doesn't exit in target, segment should be released
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view = utils.CreateTestLeaderView(nodeID, collectionID, "test-insert-channel", map[int64]int64{1: 3}, map[int64]*meta.Segment{})
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view.TargetVersion = initialTargetVersion
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checker.dist.LeaderViewManager.Update(2, view)
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tasks = checker.Check(context.TODO())
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suite.Len(tasks, 1)
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suite.Len(tasks[0].Actions(), 1)
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action, ok = tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
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suite.EqualValues(segmentID, action.SegmentID())
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suite.EqualValues(nodeID, action.Node())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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}
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func (suite *SegmentCheckerTestSuite) TestReleaseGrowingSegments() {
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checker := suite.checker
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// segment3 is compacted from segment2, and node2 has growing segments 2 and 3. checker should generate
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// 2 tasks to reduce segment 2 and 3.
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checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
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checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
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checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
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segments := []*datapb.SegmentInfo{
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{
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ID: 3,
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PartitionID: 1,
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InsertChannel: "test-insert-channel",
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},
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}
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channels := []*datapb.VchannelInfo{
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{
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CollectionID: 1,
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ChannelName: "test-insert-channel",
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SeekPosition: &msgpb.MsgPosition{Timestamp: 10},
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},
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}
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suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
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channels, segments, nil)
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checker.targetMgr.UpdateCollectionNextTarget(int64(1))
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checker.targetMgr.UpdateCollectionCurrentTarget(int64(1))
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growingSegments := make(map[int64]*meta.Segment)
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growingSegments[2] = utils.CreateTestSegment(1, 1, 2, 2, 0, "test-insert-channel")
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growingSegments[2].SegmentInfo.StartPosition = &msgpb.MsgPosition{Timestamp: 2}
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growingSegments[3] = utils.CreateTestSegment(1, 1, 3, 2, 1, "test-insert-channel")
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growingSegments[3].SegmentInfo.StartPosition = &msgpb.MsgPosition{Timestamp: 3}
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growingSegments[4] = utils.CreateTestSegment(1, 1, 4, 2, 1, "test-insert-channel")
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growingSegments[4].SegmentInfo.StartPosition = &msgpb.MsgPosition{Timestamp: 11}
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dmChannel := utils.CreateTestChannel(1, 2, 1, "test-insert-channel")
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dmChannel.UnflushedSegmentIds = []int64{2, 3}
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checker.dist.ChannelDistManager.Update(2, dmChannel)
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view := utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{3: 2}, growingSegments)
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view.TargetVersion = checker.targetMgr.GetCollectionTargetVersion(int64(1), meta.CurrentTarget)
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checker.dist.LeaderViewManager.Update(2, view)
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checker.dist.SegmentDistManager.Update(2, utils.CreateTestSegment(1, 1, 3, 2, 2, "test-insert-channel"))
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tasks := checker.Check(context.TODO())
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suite.Len(tasks, 2)
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sort.Slice(tasks, func(i, j int) bool {
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return tasks[i].Actions()[0].(*task.SegmentAction).SegmentID() < tasks[j].Actions()[0].(*task.SegmentAction).SegmentID()
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})
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suite.Len(tasks[0].Actions(), 1)
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action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[0].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
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suite.EqualValues(2, action.SegmentID())
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suite.EqualValues(2, action.Node())
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suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
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suite.Len(tasks[1].Actions(), 1)
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action, ok = tasks[1].Actions()[0].(*task.SegmentAction)
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suite.True(ok)
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suite.EqualValues(1, tasks[1].ReplicaID())
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suite.Equal(task.ActionTypeReduce, action.Type())
|
|
suite.EqualValues(3, action.SegmentID())
|
|
suite.EqualValues(2, action.Node())
|
|
suite.Equal(tasks[1].Priority(), task.TaskPriorityNormal)
|
|
}
|
|
|
|
func (suite *SegmentCheckerTestSuite) TestSkipReleaseGrowingSegments() {
|
|
checker := suite.checker
|
|
checker.meta.CollectionManager.PutCollection(utils.CreateTestCollection(1, 1))
|
|
checker.meta.CollectionManager.PutPartition(utils.CreateTestPartition(1, 1))
|
|
checker.meta.ReplicaManager.Put(utils.CreateTestReplica(1, 1, []int64{1, 2}))
|
|
|
|
segments := []*datapb.SegmentInfo{}
|
|
channels := []*datapb.VchannelInfo{
|
|
{
|
|
CollectionID: 1,
|
|
ChannelName: "test-insert-channel",
|
|
SeekPosition: &msgpb.MsgPosition{Timestamp: 10},
|
|
},
|
|
}
|
|
suite.broker.EXPECT().GetRecoveryInfoV2(mock.Anything, int64(1)).Return(
|
|
channels, segments, nil)
|
|
checker.targetMgr.UpdateCollectionNextTarget(int64(1))
|
|
checker.targetMgr.UpdateCollectionCurrentTarget(int64(1))
|
|
|
|
growingSegments := make(map[int64]*meta.Segment)
|
|
growingSegments[2] = utils.CreateTestSegment(1, 1, 2, 2, 0, "test-insert-channel")
|
|
growingSegments[2].SegmentInfo.StartPosition = &msgpb.MsgPosition{Timestamp: 2}
|
|
|
|
dmChannel := utils.CreateTestChannel(1, 2, 1, "test-insert-channel")
|
|
dmChannel.UnflushedSegmentIds = []int64{2, 3}
|
|
checker.dist.ChannelDistManager.Update(2, dmChannel)
|
|
view := utils.CreateTestLeaderView(2, 1, "test-insert-channel", map[int64]int64{}, growingSegments)
|
|
view.TargetVersion = checker.targetMgr.GetCollectionTargetVersion(int64(1), meta.CurrentTarget) - 1
|
|
checker.dist.LeaderViewManager.Update(2, view)
|
|
|
|
tasks := checker.Check(context.TODO())
|
|
suite.Len(tasks, 0)
|
|
|
|
view.TargetVersion = checker.targetMgr.GetCollectionTargetVersion(int64(1), meta.CurrentTarget)
|
|
checker.dist.LeaderViewManager.Update(2, view)
|
|
tasks = checker.Check(context.TODO())
|
|
suite.Len(tasks, 1)
|
|
suite.Len(tasks[0].Actions(), 1)
|
|
action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
|
|
suite.True(ok)
|
|
suite.EqualValues(1, tasks[0].ReplicaID())
|
|
suite.Equal(task.ActionTypeReduce, action.Type())
|
|
suite.EqualValues(2, action.SegmentID())
|
|
suite.EqualValues(2, action.Node())
|
|
suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
|
|
}
|
|
|
|
func (suite *SegmentCheckerTestSuite) TestReleaseDroppedSegments() {
|
|
checker := suite.checker
|
|
checker.dist.SegmentDistManager.Update(1, utils.CreateTestSegment(1, 1, 1, 1, 1, "test-insert-channel"))
|
|
tasks := checker.Check(context.TODO())
|
|
suite.Len(tasks, 1)
|
|
suite.Len(tasks[0].Actions(), 1)
|
|
action, ok := tasks[0].Actions()[0].(*task.SegmentAction)
|
|
suite.True(ok)
|
|
suite.EqualValues(-1, tasks[0].ReplicaID())
|
|
suite.Equal(task.ActionTypeReduce, action.Type())
|
|
suite.EqualValues(1, action.SegmentID())
|
|
suite.EqualValues(1, action.Node())
|
|
suite.Equal(tasks[0].Priority(), task.TaskPriorityNormal)
|
|
}
|
|
|
|
func TestSegmentCheckerSuite(t *testing.T) {
|
|
suite.Run(t, new(SegmentCheckerTestSuite))
|
|
}
|