2022-10-11 11:39:22 +08:00
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// 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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2022-09-15 18:48:32 +08:00
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package observers
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import (
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"context"
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"fmt"
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"sync"
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"time"
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2024-04-10 15:13:36 +08:00
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"github.com/samber/lo"
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2024-04-22 10:39:22 +08:00
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"go.opentelemetry.io/otel/trace"
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2023-04-06 19:14:32 +08:00
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"go.uber.org/zap"
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2022-09-15 18:48:32 +08:00
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"github.com/milvus-io/milvus/internal/proto/querypb"
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2023-05-08 14:06:41 +08:00
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"github.com/milvus-io/milvus/internal/querycoordv2/checkers"
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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/utils"
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"github.com/milvus-io/milvus/pkg/common"
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2023-07-25 17:23:01 +08:00
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"github.com/milvus-io/milvus/pkg/eventlog"
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"github.com/milvus-io/milvus/pkg/log"
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2024-04-22 10:39:22 +08:00
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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2022-09-15 18:48:32 +08:00
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)
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type CollectionObserver struct {
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cancel context.CancelFunc
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wg sync.WaitGroup
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2023-03-20 14:55:57 +08:00
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dist *meta.DistributionManager
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meta *meta.Meta
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targetMgr meta.TargetManagerInterface
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targetObserver *TargetObserver
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checkerController *checkers.CheckerController
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partitionLoadedCount map[int64]int
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2024-04-22 10:39:22 +08:00
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loadTasks *typeutil.ConcurrentMap[string, LoadTask]
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2022-10-19 12:13:28 +08:00
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stopOnce sync.Once
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}
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type LoadTask struct {
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LoadType querypb.LoadType
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CollectionID int64
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PartitionIDs []int64
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}
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2022-09-15 18:48:32 +08:00
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func NewCollectionObserver(
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dist *meta.DistributionManager,
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meta *meta.Meta,
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targetMgr meta.TargetManagerInterface,
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targetObserver *TargetObserver,
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checherController *checkers.CheckerController,
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) *CollectionObserver {
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ob := &CollectionObserver{
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dist: dist,
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meta: meta,
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targetMgr: targetMgr,
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targetObserver: targetObserver,
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checkerController: checherController,
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partitionLoadedCount: make(map[int64]int),
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loadTasks: typeutil.NewConcurrentMap[string, LoadTask](),
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}
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// Add load task for collection recovery
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collections := meta.GetAllCollections()
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for _, collection := range collections {
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ob.LoadCollection(context.Background(), collection.GetCollectionID())
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}
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return ob
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}
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2023-09-27 16:27:27 +08:00
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func (ob *CollectionObserver) Start() {
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ctx, cancel := context.WithCancel(context.Background())
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ob.cancel = cancel
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2024-06-07 08:25:53 +08:00
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observePeriod := Params.QueryCoordCfg.CollectionObserverInterval.GetAsDuration(time.Millisecond)
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ob.wg.Add(1)
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go func() {
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defer ob.wg.Done()
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ticker := time.NewTicker(observePeriod)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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log.Info("CollectionObserver stopped")
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return
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case <-ticker.C:
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ob.Observe(ctx)
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}
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}
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}()
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}
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func (ob *CollectionObserver) Stop() {
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ob.stopOnce.Do(func() {
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if ob.cancel != nil {
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ob.cancel()
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}
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ob.wg.Wait()
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})
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}
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2024-04-22 10:39:22 +08:00
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func (ob *CollectionObserver) LoadCollection(ctx context.Context, collectionID int64) {
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span := trace.SpanFromContext(ctx)
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traceID := span.SpanContext().TraceID()
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key := traceID.String()
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if !traceID.IsValid() {
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key = fmt.Sprintf("LoadCollection_%d", collectionID)
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}
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ob.loadTasks.Insert(key, LoadTask{LoadType: querypb.LoadType_LoadCollection, CollectionID: collectionID})
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ob.checkerController.Check()
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}
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func (ob *CollectionObserver) LoadPartitions(ctx context.Context, collectionID int64, partitionIDs []int64) {
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span := trace.SpanFromContext(ctx)
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traceID := span.SpanContext().TraceID()
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key := traceID.String()
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if !traceID.IsValid() {
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key = fmt.Sprintf("LoadPartition_%d_%v", collectionID, partitionIDs)
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}
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ob.loadTasks.Insert(key, LoadTask{LoadType: querypb.LoadType_LoadPartition, CollectionID: collectionID, PartitionIDs: partitionIDs})
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2024-05-11 10:29:31 +08:00
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ob.checkerController.Check()
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}
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2023-09-27 16:27:27 +08:00
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func (ob *CollectionObserver) Observe(ctx context.Context) {
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ob.observeTimeout()
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ob.observeLoadStatus(ctx)
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}
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func (ob *CollectionObserver) observeTimeout() {
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ob.loadTasks.Range(func(traceID string, task LoadTask) bool {
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collection := ob.meta.CollectionManager.GetCollection(task.CollectionID)
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// collection released
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if collection == nil {
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log.Info("Load Collection Task canceled, collection removed from meta", zap.Int64("collectionID", task.CollectionID), zap.String("traceID", traceID))
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ob.loadTasks.Remove(traceID)
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return true
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}
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2024-04-22 10:39:22 +08:00
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switch task.LoadType {
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case querypb.LoadType_LoadCollection:
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if collection.GetStatus() == querypb.LoadStatus_Loading &&
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time.Now().After(collection.UpdatedAt.Add(Params.QueryCoordCfg.LoadTimeoutSeconds.GetAsDuration(time.Second))) {
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log.Info("load collection timeout, cancel it",
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zap.Int64("collectionID", collection.GetCollectionID()),
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zap.Duration("loadTime", time.Since(collection.CreatedAt)))
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ob.meta.CollectionManager.RemoveCollection(collection.GetCollectionID())
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ob.meta.ReplicaManager.RemoveCollection(collection.GetCollectionID())
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ob.targetMgr.RemoveCollection(collection.GetCollectionID())
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ob.loadTasks.Remove(traceID)
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}
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case querypb.LoadType_LoadPartition:
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partitionIDs := typeutil.NewSet(task.PartitionIDs...)
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partitions := ob.meta.GetPartitionsByCollection(task.CollectionID)
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partitions = lo.Filter(partitions, func(partition *meta.Partition, _ int) bool {
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return partitionIDs.Contain(partition.GetPartitionID())
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})
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2022-09-15 18:48:32 +08:00
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2024-04-22 10:39:22 +08:00
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// all partition released
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if len(partitions) == 0 {
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log.Info("Load Partitions Task canceled, collection removed from meta",
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zap.Int64("collectionID", task.CollectionID),
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zap.Int64s("partitionIDs", task.PartitionIDs),
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zap.String("traceID", traceID))
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ob.loadTasks.Remove(traceID)
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return true
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2022-09-15 18:48:32 +08:00
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}
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2024-04-22 10:39:22 +08:00
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working := false
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for _, partition := range partitions {
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if time.Now().Before(partition.UpdatedAt.Add(Params.QueryCoordCfg.LoadTimeoutSeconds.GetAsDuration(time.Second))) {
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working = true
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break
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}
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}
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// only all partitions timeout means task timeout
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if !working {
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log.Info("load partitions timeout, cancel it",
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zap.Int64("collectionID", task.CollectionID),
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zap.Int64s("partitionIDs", task.PartitionIDs))
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for _, partition := range partitions {
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ob.meta.CollectionManager.RemovePartition(partition.CollectionID, partition.GetPartitionID())
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ob.targetMgr.RemovePartition(partition.GetCollectionID(), partition.GetPartitionID())
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}
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2023-07-06 19:10:25 +08:00
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2024-04-22 10:39:22 +08:00
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// all partition timeout, remove collection
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if len(ob.meta.CollectionManager.GetPartitionsByCollection(task.CollectionID)) == 0 {
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log.Info("collection timeout due to all partition removed", zap.Int64("collection", task.CollectionID))
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ob.meta.CollectionManager.RemoveCollection(task.CollectionID)
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ob.meta.ReplicaManager.RemoveCollection(task.CollectionID)
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ob.targetMgr.RemoveCollection(task.CollectionID)
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}
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}
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2022-09-15 18:48:32 +08:00
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}
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2024-04-22 10:39:22 +08:00
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return true
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})
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2022-09-15 18:48:32 +08:00
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}
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2023-09-01 11:17:01 +08:00
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func (ob *CollectionObserver) readyToObserve(collectionID int64) bool {
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metaExist := (ob.meta.GetCollection(collectionID) != nil)
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2024-07-01 17:40:07 +08:00
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targetExist := ob.targetMgr.IsNextTargetExist(collectionID) || ob.targetMgr.IsCurrentTargetExist(collectionID, common.AllPartitionsID)
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2023-09-01 11:17:01 +08:00
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return metaExist && targetExist
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}
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2023-10-09 11:07:33 +08:00
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func (ob *CollectionObserver) observeLoadStatus(ctx context.Context) {
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2023-05-08 14:06:41 +08:00
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loading := false
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2024-04-22 10:39:22 +08:00
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ob.loadTasks.Range(func(traceID string, task LoadTask) bool {
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loading = true
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collection := ob.meta.CollectionManager.GetCollection(task.CollectionID)
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if collection == nil {
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return true
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2022-09-15 18:48:32 +08:00
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}
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2024-04-22 10:39:22 +08:00
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var partitions []*meta.Partition
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switch task.LoadType {
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case querypb.LoadType_LoadCollection:
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partitions = ob.meta.GetPartitionsByCollection(task.CollectionID)
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case querypb.LoadType_LoadPartition:
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partitionIDs := typeutil.NewSet[int64](task.PartitionIDs...)
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partitions = ob.meta.GetPartitionsByCollection(task.CollectionID)
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partitions = lo.Filter(partitions, func(partition *meta.Partition, _ int) bool {
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return partitionIDs.Contain(partition.GetPartitionID())
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})
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2023-09-01 11:17:01 +08:00
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}
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2024-04-22 10:39:22 +08:00
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loaded := true
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for _, partition := range partitions {
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if partition.LoadPercentage == 100 {
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continue
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}
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if ob.readyToObserve(partition.CollectionID) {
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replicaNum := ob.meta.GetReplicaNumber(partition.GetCollectionID())
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ob.observePartitionLoadStatus(ctx, partition, replicaNum)
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}
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partition = ob.meta.GetPartition(partition.PartitionID)
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2024-04-28 16:29:25 +08:00
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if partition != nil && partition.LoadPercentage != 100 {
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2024-04-22 10:39:22 +08:00
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loaded = false
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}
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}
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// all partition loaded, finish task
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if len(partitions) > 0 && loaded {
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log.Info("Load task finish",
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zap.String("traceID", traceID),
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zap.Int64("collectionID", task.CollectionID),
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zap.Int64s("partitionIDs", task.PartitionIDs),
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zap.Stringer("loadType", task.LoadType))
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ob.loadTasks.Remove(traceID)
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}
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return true
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})
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2023-05-08 14:06:41 +08:00
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// trigger check logic when loading collections/partitions
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if loading {
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ob.checkerController.Check()
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2023-03-20 14:55:57 +08:00
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}
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2022-09-15 18:48:32 +08:00
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}
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2023-10-09 11:07:33 +08:00
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func (ob *CollectionObserver) observePartitionLoadStatus(ctx context.Context, partition *meta.Partition, replicaNum int32) {
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2024-01-11 16:30:50 +08:00
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log := log.Ctx(ctx).WithRateGroup("qcv2.observePartitionLoadStatus", 1, 60).With(
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2022-09-15 18:48:32 +08:00
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zap.Int64("collectionID", partition.GetCollectionID()),
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zap.Int64("partitionID", partition.GetPartitionID()),
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)
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2023-10-25 00:44:12 +08:00
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segmentTargets := ob.targetMgr.GetSealedSegmentsByPartition(partition.GetCollectionID(), partition.GetPartitionID(), meta.NextTarget)
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2022-11-07 19:37:04 +08:00
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channelTargets := ob.targetMgr.GetDmChannelsByCollection(partition.GetCollectionID(), meta.NextTarget)
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2023-08-04 10:31:06 +08:00
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2022-09-15 18:48:32 +08:00
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targetNum := len(segmentTargets) + len(channelTargets)
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2023-08-04 10:31:06 +08:00
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if targetNum == 0 {
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log.Info("segments and channels in target are both empty, waiting for new target content")
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2024-01-11 16:30:50 +08:00
|
|
|
log.RatedInfo(10, "partition targets",
|
2022-12-06 18:29:19 +08:00
|
|
|
zap.Int("segmentTargetNum", len(segmentTargets)),
|
|
|
|
zap.Int("channelTargetNum", len(channelTargets)),
|
|
|
|
zap.Int("totalTargetNum", targetNum),
|
2023-03-20 14:55:57 +08:00
|
|
|
zap.Int32("replicaNum", replicaNum),
|
2022-12-06 18:29:19 +08:00
|
|
|
)
|
2022-09-15 18:48:32 +08:00
|
|
|
loadedCount := 0
|
2023-03-30 10:48:23 +08:00
|
|
|
loadPercentage := int32(0)
|
2023-08-04 10:31:06 +08:00
|
|
|
|
|
|
|
for _, channel := range channelTargets {
|
2024-04-10 15:13:36 +08:00
|
|
|
views := ob.dist.LeaderViewManager.GetByFilter(meta.WithChannelName2LeaderView(channel.GetChannelName()))
|
|
|
|
nodes := lo.Map(views, func(v *meta.LeaderView, _ int) int64 { return v.ID })
|
|
|
|
group := utils.GroupNodesByReplica(ob.meta.ReplicaManager, partition.GetCollectionID(), nodes)
|
2023-08-04 10:31:06 +08:00
|
|
|
loadedCount += len(group)
|
|
|
|
}
|
|
|
|
subChannelCount := loadedCount
|
|
|
|
for _, segment := range segmentTargets {
|
2024-04-10 15:13:36 +08:00
|
|
|
views := ob.dist.LeaderViewManager.GetByFilter(meta.WithSegment2LeaderView(segment.GetID(), false))
|
|
|
|
nodes := lo.Map(views, func(view *meta.LeaderView, _ int) int64 { return view.ID })
|
|
|
|
group := utils.GroupNodesByReplica(ob.meta.ReplicaManager, partition.GetCollectionID(), nodes)
|
2023-08-04 10:31:06 +08:00
|
|
|
loadedCount += len(group)
|
|
|
|
}
|
|
|
|
if loadedCount > 0 {
|
|
|
|
log.Info("partition load progress",
|
|
|
|
zap.Int("subChannelCount", subChannelCount),
|
|
|
|
zap.Int("loadSegmentCount", loadedCount-subChannelCount))
|
2022-09-15 18:48:32 +08:00
|
|
|
}
|
2023-08-04 10:31:06 +08:00
|
|
|
loadPercentage = int32(loadedCount * 100 / (targetNum * int(replicaNum)))
|
2022-09-15 18:48:32 +08:00
|
|
|
|
2023-03-30 10:48:23 +08:00
|
|
|
if loadedCount <= ob.partitionLoadedCount[partition.GetPartitionID()] && loadPercentage != 100 {
|
2023-02-06 16:07:53 +08:00
|
|
|
ob.partitionLoadedCount[partition.GetPartitionID()] = loadedCount
|
2022-09-30 19:48:55 +08:00
|
|
|
return
|
|
|
|
}
|
2023-03-30 10:48:23 +08:00
|
|
|
|
2022-12-06 17:13:18 +08:00
|
|
|
ob.partitionLoadedCount[partition.GetPartitionID()] = loadedCount
|
2023-10-24 10:14:11 +08:00
|
|
|
if loadPercentage == 100 {
|
2024-07-01 17:40:07 +08:00
|
|
|
if !ob.targetObserver.Check(ctx, partition.GetCollectionID(), partition.PartitionID) {
|
2023-10-24 10:14:11 +08:00
|
|
|
log.Warn("failed to manual check current target, skip update load status")
|
|
|
|
return
|
|
|
|
}
|
2022-12-12 18:43:23 +08:00
|
|
|
delete(ob.partitionLoadedCount, partition.GetPartitionID())
|
2022-09-15 18:48:32 +08:00
|
|
|
}
|
2023-03-30 10:48:23 +08:00
|
|
|
collectionPercentage, err := ob.meta.CollectionManager.UpdateLoadPercent(partition.PartitionID, loadPercentage)
|
|
|
|
if err != nil {
|
|
|
|
log.Warn("failed to update load percentage")
|
|
|
|
}
|
|
|
|
log.Info("load status updated",
|
|
|
|
zap.Int32("partitionLoadPercentage", loadPercentage),
|
|
|
|
zap.Int32("collectionLoadPercentage", collectionPercentage),
|
|
|
|
)
|
2023-07-25 17:23:01 +08:00
|
|
|
eventlog.Record(eventlog.NewRawEvt(eventlog.Level_Info, fmt.Sprintf("collection %d load percentage update: %d", partition.CollectionID, loadPercentage)))
|
2022-09-15 18:48:32 +08:00
|
|
|
}
|