mirror of
https://gitee.com/milvus-io/milvus.git
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121 lines
3.1 KiB
Go
121 lines
3.1 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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"sync"
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"time"
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"github.com/milvus-io/milvus/internal/log"
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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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)
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var (
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checkRoundTaskNumLimit = 256
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)
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type CheckerController struct {
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stopCh chan struct{}
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meta *meta.Meta
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dist *meta.DistributionManager
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targetMgr *meta.TargetManager
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broker *meta.CoordinatorBroker
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nodeMgr *session.NodeManager
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balancer balance.Balance
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scheduler task.Scheduler
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checkers []Checker
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stopOnce sync.Once
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}
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func NewCheckerController(
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meta *meta.Meta,
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dist *meta.DistributionManager,
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targetMgr *meta.TargetManager,
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balancer balance.Balance,
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scheduler task.Scheduler) *CheckerController {
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// CheckerController runs checkers with the order,
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// the former checker has higher priority
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checkers := []Checker{
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NewChannelChecker(meta, dist, targetMgr, balancer),
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NewSegmentChecker(meta, dist, targetMgr, balancer),
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NewBalanceChecker(balancer),
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}
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for i, checker := range checkers {
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checker.SetID(int64(i + 1))
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}
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return &CheckerController{
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stopCh: make(chan struct{}),
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meta: meta,
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dist: dist,
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targetMgr: targetMgr,
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scheduler: scheduler,
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checkers: checkers,
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}
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}
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func (controller *CheckerController) Start(ctx context.Context) {
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go func() {
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ticker := time.NewTicker(Params.QueryCoordCfg.CheckInterval)
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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("CheckerController stopped due to context canceled")
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return
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case <-controller.stopCh:
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log.Info("CheckerController stopped")
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return
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case <-ticker.C:
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controller.check(ctx)
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}
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}
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}()
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}
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func (controller *CheckerController) Stop() {
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controller.stopOnce.Do(func() {
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close(controller.stopCh)
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})
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}
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// check is the real implementation of Check
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func (controller *CheckerController) check(ctx context.Context) {
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tasks := make([]task.Task, 0)
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for _, checker := range controller.checkers {
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tasks = append(tasks, checker.Check(ctx)...)
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}
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for _, task := range tasks {
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err := controller.scheduler.Add(task)
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if err != nil {
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task.Cancel()
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continue
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}
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}
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}
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