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https://gitee.com/milvus-io/milvus.git
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895799ec61
Abstract Execute interface for import/preimport task, simplify import scheduler. issue: https://github.com/milvus-io/milvus/issues/33157 Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
110 lines
2.8 KiB
Go
110 lines
2.8 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 importv2
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import (
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"sync"
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"time"
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"github.com/samber/lo"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/conc"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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type Scheduler interface {
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Start()
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Slots() int64
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Close()
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}
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type scheduler struct {
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manager TaskManager
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closeOnce sync.Once
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closeChan chan struct{}
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}
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func NewScheduler(manager TaskManager) Scheduler {
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return &scheduler{
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manager: manager,
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closeChan: make(chan struct{}),
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}
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}
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func (s *scheduler) Start() {
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log.Info("start import scheduler")
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var (
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exeTicker = time.NewTicker(1 * time.Second)
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logTicker = time.NewTicker(10 * time.Minute)
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)
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defer exeTicker.Stop()
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defer logTicker.Stop()
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for {
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select {
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case <-s.closeChan:
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log.Info("import scheduler exited")
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return
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case <-exeTicker.C:
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tasks := s.manager.GetBy(WithStates(datapb.ImportTaskStateV2_Pending))
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futures := make(map[int64][]*conc.Future[any])
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for _, task := range tasks {
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fs := task.Execute()
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futures[task.GetTaskID()] = fs
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tryFreeFutures(futures)
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}
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for taskID, fs := range futures {
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err := conc.AwaitAll(fs...)
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if err != nil {
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continue
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}
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s.manager.Update(taskID, UpdateState(datapb.ImportTaskStateV2_Completed))
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log.Info("preimport/import done", zap.Int64("taskID", taskID))
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}
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case <-logTicker.C:
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LogStats(s.manager)
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}
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}
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}
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func (s *scheduler) Slots() int64 {
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tasks := s.manager.GetBy(WithStates(datapb.ImportTaskStateV2_Pending, datapb.ImportTaskStateV2_InProgress))
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return paramtable.Get().DataNodeCfg.MaxConcurrentImportTaskNum.GetAsInt64() - int64(len(tasks))
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}
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func (s *scheduler) Close() {
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s.closeOnce.Do(func() {
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close(s.closeChan)
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})
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}
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func tryFreeFutures(futures map[int64][]*conc.Future[any]) {
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for k, fs := range futures {
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fs = lo.Filter(fs, func(f *conc.Future[any], _ int) bool {
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if f.Done() {
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_, err := f.Await()
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return err != nil
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}
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return true
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})
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futures[k] = fs
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}
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}
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