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https://gitee.com/milvus-io/milvus.git
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b4d549d96a
the manager's logging lambda should not capture the pipeline object this creates a circular reference between the manager and the pipeline object, making it impossible for both to be GC-ed. issue: https://github.com/milvus-io/milvus/issues/42581 Signed-off-by: Buqian Zheng <buqianzheng@Buqians-MacBook-Air.local> Co-authored-by: Buqian Zheng <buqianzheng@Buqians-MacBook-Air.local>
103 lines
2.4 KiB
Go
103 lines
2.4 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 pipeline
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import (
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"fmt"
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"time"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/pkg/v2/log"
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"github.com/milvus-io/milvus/pkg/v2/util/timerecord"
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)
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type Pipeline interface {
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Add(node ...Node)
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Start() error
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Close()
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}
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type pipeline struct {
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nodes []*nodeCtx
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inputChannel chan Msg
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nodeTtInterval time.Duration
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enableTtChecker bool
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}
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func (p *pipeline) Add(nodes ...Node) {
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for _, node := range nodes {
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p.addNode(node)
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}
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}
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func (p *pipeline) addNode(node Node) {
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nodeCtx := NewNodeCtx(node)
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if p.enableTtChecker {
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nodeTtInterval := p.nodeTtInterval
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manager := timerecord.GetCheckerManger("fgNode", nodeTtInterval, func(list []string) {
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log.Warn("some node(s) haven't received input", zap.Strings("list", list), zap.Duration("duration ", nodeTtInterval))
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})
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name := fmt.Sprintf("nodeCtxTtChecker-%s", node.Name())
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nodeCtx.Checker = timerecord.NewChecker(name, manager)
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}
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if len(p.nodes) != 0 {
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p.nodes[len(p.nodes)-1].Next = nodeCtx
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} else {
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p.inputChannel = nodeCtx.InputChannel
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}
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p.nodes = append(p.nodes, nodeCtx)
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}
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func (p *pipeline) Start() error {
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return nil
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}
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func (p *pipeline) Close() {
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for _, node := range p.nodes {
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node.node.Close()
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if node.Checker != nil {
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node.Checker.Close()
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}
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}
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}
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func (p *pipeline) process() {
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if len(p.nodes) == 0 {
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return
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}
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curNode := p.nodes[0]
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for curNode != nil {
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if len(curNode.InputChannel) == 0 {
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break
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}
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input := <-curNode.InputChannel
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output := curNode.node.Operate(input)
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if curNode.Checker != nil {
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curNode.Checker.Check()
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}
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if curNode.Next != nil && output != nil {
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curNode.Next.InputChannel <- output
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}
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curNode = curNode.Next
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}
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}
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