mirror of
https://gitee.com/milvus-io/milvus.git
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137 lines
4.2 KiB
Go
137 lines
4.2 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 datanode
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import (
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"context"
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"fmt"
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"reflect"
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"time"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus-proto/go-api/msgpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/types"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/commonpbutil"
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"github.com/milvus-io/milvus/pkg/util/funcutil"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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"github.com/milvus-io/milvus/pkg/util/tsoutil"
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)
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const (
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updateChanCPInterval = 1 * time.Minute
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updateChanCPTimeout = 10 * time.Second
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)
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// make sure ttNode implements flowgraph.Node
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var _ flowgraph.Node = (*ttNode)(nil)
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type ttNode struct {
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BaseNode
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vChannelName string
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channel Channel
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lastUpdateTime time.Time
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dataCoord types.DataCoord
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}
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// Name returns node name, implementing flowgraph.Node
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func (ttn *ttNode) Name() string {
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return fmt.Sprintf("ttNode-%s", ttn.vChannelName)
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}
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func (ttn *ttNode) IsValidInMsg(in []Msg) bool {
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if !ttn.BaseNode.IsValidInMsg(in) {
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return false
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}
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_, ok := in[0].(*flowGraphMsg)
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if !ok {
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log.Warn("type assertion failed for flowGraphMsg", zap.String("name", reflect.TypeOf(in[0]).Name()))
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return false
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}
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return true
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}
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// Operate handles input messages, implementing flowgraph.Node
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func (ttn *ttNode) Operate(in []Msg) []Msg {
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fgMsg := in[0].(*flowGraphMsg)
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if fgMsg.IsCloseMsg() {
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if len(fgMsg.endPositions) > 0 {
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log.Info("flowgraph is closing, force update channel CP",
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zap.Uint64("endTs", fgMsg.endPositions[0].GetTimestamp()),
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zap.String("channel", fgMsg.endPositions[0].GetChannelName()))
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ttn.updateChannelCP(fgMsg.endPositions[0])
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}
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return in
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}
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curTs, _ := tsoutil.ParseTS(fgMsg.timeRange.timestampMax)
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if curTs.Sub(ttn.lastUpdateTime) >= updateChanCPInterval {
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ttn.updateChannelCP(fgMsg.endPositions[0])
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ttn.lastUpdateTime = curTs
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}
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return []Msg{}
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}
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func (ttn *ttNode) updateChannelCP(ttPos *msgpb.MsgPosition) {
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channelPos := ttn.channel.getChannelCheckpoint(ttPos)
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if channelPos == nil || channelPos.MsgID == nil {
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log.Warn("updateChannelCP failed, get nil check point", zap.String("vChannel", ttn.vChannelName))
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return
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}
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channelCPTs, _ := tsoutil.ParseTS(channelPos.Timestamp)
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ctx, cancel := context.WithTimeout(context.Background(), updateChanCPTimeout)
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defer cancel()
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resp, err := ttn.dataCoord.UpdateChannelCheckpoint(ctx, &datapb.UpdateChannelCheckpointRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithSourceID(paramtable.GetNodeID()),
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),
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VChannel: ttn.vChannelName,
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Position: channelPos,
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})
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if err = funcutil.VerifyResponse(resp, err); err != nil {
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log.Warn("UpdateChannelCheckpoint failed", zap.String("channel", ttn.vChannelName),
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zap.Time("channelCPTs", channelCPTs), zap.Error(err))
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return
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}
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log.Info("UpdateChannelCheckpoint success",
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zap.String("channel", ttn.vChannelName),
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zap.Uint64("cpTs", channelPos.Timestamp),
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zap.Time("cpTime", channelCPTs))
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}
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func newTTNode(config *nodeConfig, dc types.DataCoord) (*ttNode, error) {
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baseNode := BaseNode{}
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baseNode.SetMaxQueueLength(Params.DataNodeCfg.FlowGraphMaxQueueLength.GetAsInt32())
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baseNode.SetMaxParallelism(Params.DataNodeCfg.FlowGraphMaxParallelism.GetAsInt32())
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tt := &ttNode{
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BaseNode: baseNode,
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vChannelName: config.vChannelName,
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channel: config.channel,
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lastUpdateTime: time.Time{}, // set to Zero to update channel checkpoint immediately after fg started
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dataCoord: dc,
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}
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return tt, nil
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}
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