mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 19:39:21 +08:00
752 lines
23 KiB
Go
752 lines
23 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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"path"
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"strconv"
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"sync"
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"github.com/milvus-io/milvus/internal/kv"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/etcdpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/storage"
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"github.com/milvus-io/milvus/internal/util/retry"
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"go.uber.org/atomic"
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"go.uber.org/zap"
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)
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// flushManager defines a flush manager signature
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type flushManager interface {
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// notify flush manager insert buffer data
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flushBufferData(data *BufferData, segmentID UniqueID, flushed bool, dropped bool, pos *internalpb.MsgPosition) error
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// notify flush manager del buffer data
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flushDelData(data *DelDataBuf, segmentID UniqueID, pos *internalpb.MsgPosition) error
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// injectFlush injects compaction or other blocking task before flush sync
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injectFlush(injection *taskInjection, segments ...UniqueID)
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// startDropping changes flush manager into dropping mode
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startDropping()
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// notifyAllFlushed tells flush manager there is not future incoming flush task for drop mode
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notifyAllFlushed()
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// close handles resource clean up
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close()
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}
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// segmentFlushPack contains result to save into meta
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type segmentFlushPack struct {
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segmentID UniqueID
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insertLogs map[UniqueID]string
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statsLogs map[UniqueID]string
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deltaLogs []*DelDataBuf
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pos *internalpb.MsgPosition
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flushed bool
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dropped bool
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err error // task execution error, if not nil, notify func should stop datanode
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}
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// notifyMetaFunc notify meta to persistent flush result
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type notifyMetaFunc func(*segmentFlushPack)
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// flushAndDropFunc notifies meta to flush current state and drop virtual channel
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type flushAndDropFunc func([]*segmentFlushPack)
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// taskPostFunc clean up function after single flush task done
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type taskPostFunc func(pack *segmentFlushPack, postInjection postInjectionFunc)
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// postInjectionFunc post injection pack process logic
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type postInjectionFunc func(pack *segmentFlushPack)
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// make sure implementation
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var _ flushManager = (*rendezvousFlushManager)(nil)
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// orderFlushQueue keeps the order of task notifyFunc execution in order
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type orderFlushQueue struct {
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sync.Once
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segmentID UniqueID
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injectCh chan *taskInjection
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// MsgID => flushTask
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working sync.Map
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notifyFunc notifyMetaFunc
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tailMut sync.Mutex
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tailCh chan struct{}
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injectMut sync.Mutex
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runningTasks int32
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injectHandler *injectHandler
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postInjection postInjectionFunc
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}
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// newOrderFlushQueue creates a orderFlushQueue
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func newOrderFlushQueue(segID UniqueID, f notifyMetaFunc) *orderFlushQueue {
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q := &orderFlushQueue{
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segmentID: segID,
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notifyFunc: f,
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injectCh: make(chan *taskInjection, 100),
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}
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return q
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}
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// init orderFlushQueue use once protect init, init tailCh
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func (q *orderFlushQueue) init() {
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q.Once.Do(func() {
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q.injectHandler = newInjectHandler(q)
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// new queue acts like tailing task is done
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q.tailCh = make(chan struct{})
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close(q.tailCh)
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})
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}
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func (q *orderFlushQueue) getFlushTaskRunner(pos *internalpb.MsgPosition) *flushTaskRunner {
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actual, loaded := q.working.LoadOrStore(string(pos.MsgID), newFlushTaskRunner(q.segmentID, q.injectCh))
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t := actual.(*flushTaskRunner)
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// not loaded means the task runner is new, do initializtion
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if !loaded {
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// take over injection if task queue is handling it
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q.injectMut.Lock()
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q.runningTasks++
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if q.injectHandler != nil {
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q.injectHandler.close()
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q.injectHandler = nil
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}
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q.injectMut.Unlock()
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// add task to tail
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q.tailMut.Lock()
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t.init(q.notifyFunc, q.postTask, q.tailCh)
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q.tailCh = t.finishSignal
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q.tailMut.Unlock()
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}
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return t
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}
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// postTask handles clean up work after a task is done
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func (q *orderFlushQueue) postTask(pack *segmentFlushPack, postInjection postInjectionFunc) {
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// delete task from working map
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q.working.Delete(string(pack.pos.MsgID))
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// after descreasing working count, check whether flush queue is empty
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q.injectMut.Lock()
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q.runningTasks--
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// if flush queue is empty, let flush queue take over injection
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if q.runningTasks == 0 {
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q.injectHandler = newInjectHandler(q)
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}
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// set postInjection function if injection is handled in task
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if postInjection != nil {
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q.postInjection = postInjection
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}
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if q.postInjection != nil {
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q.postInjection(pack)
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}
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q.injectMut.Unlock()
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}
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// enqueueInsertBuffer put insert buffer data into queue
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func (q *orderFlushQueue) enqueueInsertFlush(task flushInsertTask, binlogs, statslogs map[UniqueID]string, flushed bool, dropped bool, pos *internalpb.MsgPosition) {
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q.getFlushTaskRunner(pos).runFlushInsert(task, binlogs, statslogs, flushed, dropped, pos)
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}
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// enqueueDelBuffer put delete buffer data into queue
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func (q *orderFlushQueue) enqueueDelFlush(task flushDeleteTask, deltaLogs *DelDataBuf, pos *internalpb.MsgPosition) {
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q.getFlushTaskRunner(pos).runFlushDel(task, deltaLogs)
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}
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// inject performs injection for current task queue
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// send into injectCh in there is running task
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// or perform injection logic here if there is no injection
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func (q *orderFlushQueue) inject(inject *taskInjection) {
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q.injectCh <- inject
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}
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// injectionHandler handles injection for empty flush queue
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type injectHandler struct {
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once sync.Once
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wg sync.WaitGroup
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done chan struct{}
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}
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// newInjectHandler create injection handler for flush queue
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func newInjectHandler(q *orderFlushQueue) *injectHandler {
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h := &injectHandler{
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done: make(chan struct{}),
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}
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h.wg.Add(1)
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go h.handleInjection(q)
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return h
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}
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func (h *injectHandler) handleInjection(q *orderFlushQueue) {
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defer h.wg.Done()
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for {
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select {
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case inject := <-q.injectCh:
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q.tailMut.Lock() //Maybe double check
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injectDone := make(chan struct{})
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q.tailCh = injectDone
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q.tailMut.Unlock()
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// notify one injection done
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inject.injectOne()
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ok := <-inject.injectOver
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// apply injection
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if ok {
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q.postInjection = inject.postInjection
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}
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close(injectDone)
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case <-h.done:
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return
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}
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}
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}
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func (h *injectHandler) close() {
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h.once.Do(func() {
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close(h.done)
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h.wg.Wait()
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})
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}
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type dropHandler struct {
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sync.Mutex
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dropFlushWg sync.WaitGroup
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flushAndDrop flushAndDropFunc
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allFlushed chan struct{}
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packs []*segmentFlushPack
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}
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// rendezvousFlushManager makes sure insert & del buf all flushed
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type rendezvousFlushManager struct {
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allocatorInterface
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kv.BaseKV
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Replica
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// segment id => flush queue
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dispatcher sync.Map
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notifyFunc notifyMetaFunc
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dropping atomic.Bool
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dropHandler dropHandler
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}
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// getFlushQueue gets or creates a orderFlushQueue for segment id if not found
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func (m *rendezvousFlushManager) getFlushQueue(segmentID UniqueID) *orderFlushQueue {
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newQueue := newOrderFlushQueue(segmentID, m.notifyFunc)
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actual, _ := m.dispatcher.LoadOrStore(segmentID, newQueue)
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// all operation on dispatcher is private, assertion ok guaranteed
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queue := actual.(*orderFlushQueue)
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queue.init()
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return queue
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}
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func (m *rendezvousFlushManager) handleInsertTask(segmentID UniqueID, task flushInsertTask, binlogs, statslogs map[UniqueID]string, flushed bool, dropped bool, pos *internalpb.MsgPosition) {
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// in dropping mode
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if m.dropping.Load() {
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r := &flushTaskRunner{
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WaitGroup: sync.WaitGroup{},
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segmentID: segmentID,
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}
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r.WaitGroup.Add(1) // insert and delete are not bound in drop mode
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r.runFlushInsert(task, binlogs, statslogs, flushed, dropped, pos)
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r.WaitGroup.Wait()
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m.dropHandler.Lock()
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defer m.dropHandler.Unlock()
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m.dropHandler.packs = append(m.dropHandler.packs, r.getFlushPack())
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return
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}
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// normal mode
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m.getFlushQueue(segmentID).enqueueInsertFlush(task, binlogs, statslogs, flushed, dropped, pos)
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}
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func (m *rendezvousFlushManager) handleDeleteTask(segmentID UniqueID, task flushDeleteTask, deltaLogs *DelDataBuf, pos *internalpb.MsgPosition) {
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// in dropping mode
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if m.dropping.Load() {
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// preventing separate delete, check position exists in queue first
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q := m.getFlushQueue(segmentID)
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_, ok := q.working.Load(string(pos.MsgID))
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// if ok, means position insert data already in queue, just handle task in normal mode
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// if not ok, means the insert buf should be handle in drop mode
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if !ok {
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r := &flushTaskRunner{
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WaitGroup: sync.WaitGroup{},
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segmentID: segmentID,
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}
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r.WaitGroup.Add(1) // insert and delete are not bound in drop mode
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r.runFlushDel(task, deltaLogs)
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r.WaitGroup.Wait()
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m.dropHandler.Lock()
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defer m.dropHandler.Unlock()
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m.dropHandler.packs = append(m.dropHandler.packs, r.getFlushPack())
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return
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}
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}
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// normal mode
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m.getFlushQueue(segmentID).enqueueDelFlush(task, deltaLogs, pos)
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}
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// notify flush manager insert buffer data
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func (m *rendezvousFlushManager) flushBufferData(data *BufferData, segmentID UniqueID, flushed bool,
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dropped bool, pos *internalpb.MsgPosition) error {
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// empty flush
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if data == nil || data.buffer == nil {
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//m.getFlushQueue(segmentID).enqueueInsertFlush(&flushBufferInsertTask{},
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// map[UniqueID]string{}, map[UniqueID]string{}, flushed, dropped, pos)
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m.handleInsertTask(segmentID, &flushBufferInsertTask{}, map[UniqueID]string{}, map[UniqueID]string{},
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flushed, dropped, pos)
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return nil
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}
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collID, partID, meta, err := m.getSegmentMeta(segmentID, pos)
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if err != nil {
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return err
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}
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// encode data and convert output data
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inCodec := storage.NewInsertCodec(meta)
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binLogs, statsBinlogs, err := inCodec.Serialize(partID, segmentID, data.buffer)
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if err != nil {
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return err
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}
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start, _, err := m.allocIDBatch(uint32(len(binLogs)))
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if err != nil {
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return err
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}
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field2Insert := make(map[UniqueID]string, len(binLogs))
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kvs := make(map[string]string, len(binLogs))
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paths := make([]string, 0, len(binLogs))
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field2Logidx := make(map[UniqueID]UniqueID, len(binLogs))
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for idx, blob := range binLogs {
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fieldID, err := strconv.ParseInt(blob.GetKey(), 10, 64)
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if err != nil {
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log.Error("Flush failed ... cannot parse string to fieldID ..", zap.Error(err))
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return err
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}
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logidx := start + int64(idx)
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// no error raise if alloc=false
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k, _ := m.genKey(false, collID, partID, segmentID, fieldID, logidx)
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key := path.Join(Params.InsertBinlogRootPath, k)
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paths = append(paths, key)
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kvs[key] = string(blob.Value[:])
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field2Insert[fieldID] = key
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field2Logidx[fieldID] = logidx
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}
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field2Stats := make(map[UniqueID]string)
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// write stats binlog
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for _, blob := range statsBinlogs {
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fieldID, err := strconv.ParseInt(blob.GetKey(), 10, 64)
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if err != nil {
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log.Error("Flush failed ... cannot parse string to fieldID ..", zap.Error(err))
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return err
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}
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logidx := field2Logidx[fieldID]
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// no error raise if alloc=false
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k, _ := m.genKey(false, collID, partID, segmentID, fieldID, logidx)
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key := path.Join(Params.StatsBinlogRootPath, k)
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kvs[key] = string(blob.Value[:])
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field2Stats[fieldID] = key
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}
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m.updateSegmentCheckPoint(segmentID)
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/*
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m.getFlushQueue(segmentID).enqueueInsertFlush(&flushBufferInsertTask{
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BaseKV: m.BaseKV,
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data: kvs,
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}, field2Insert, field2Stats, flushed, dropped, pos)*/
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m.handleInsertTask(segmentID, &flushBufferInsertTask{
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BaseKV: m.BaseKV,
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data: kvs,
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}, field2Insert, field2Stats, flushed, dropped, pos)
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return nil
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}
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// notify flush manager del buffer data
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func (m *rendezvousFlushManager) flushDelData(data *DelDataBuf, segmentID UniqueID,
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pos *internalpb.MsgPosition) error {
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// del signal with empty data
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if data == nil || data.delData == nil {
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/*
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m.getFlushQueue(segmentID).enqueueDelFlush(&flushBufferDeleteTask{}, nil, pos)
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*/
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m.handleDeleteTask(segmentID, &flushBufferDeleteTask{}, nil, pos)
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return nil
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}
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collID, partID, err := m.getCollectionAndPartitionID(segmentID)
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if err != nil {
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return err
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}
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delCodec := storage.NewDeleteCodec()
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blob, err := delCodec.Serialize(collID, partID, segmentID, data.delData)
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if err != nil {
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return err
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}
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logID, err := m.allocID()
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if err != nil {
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log.Error("failed to alloc ID", zap.Error(err))
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return err
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}
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blobKey, _ := m.genKey(false, collID, partID, segmentID, logID)
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blobPath := path.Join(Params.DeleteBinlogRootPath, blobKey)
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kvs := map[string]string{blobPath: string(blob.Value[:])}
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data.fileSize = int64(len(blob.Value))
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data.filePath = blobPath
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log.Debug("delete blob path", zap.String("path", blobPath))
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/*
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m.getFlushQueue(segmentID).enqueueDelFlush(&flushBufferDeleteTask{
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BaseKV: m.BaseKV,
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data: kvs,
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}, data, pos)*/
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m.handleDeleteTask(segmentID, &flushBufferDeleteTask{
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BaseKV: m.BaseKV,
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data: kvs,
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}, data, pos)
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return nil
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}
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// injectFlush inject process before task finishes
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func (m *rendezvousFlushManager) injectFlush(injection *taskInjection, segments ...UniqueID) {
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go injection.waitForInjected()
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for _, segmentID := range segments {
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m.getFlushQueue(segmentID).inject(injection)
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}
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}
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// fetch meta info for segment
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func (m *rendezvousFlushManager) getSegmentMeta(segmentID UniqueID, pos *internalpb.MsgPosition) (UniqueID, UniqueID, *etcdpb.CollectionMeta, error) {
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if !m.hasSegment(segmentID, true) {
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return -1, -1, nil, fmt.Errorf("No such segment %d in the replica", segmentID)
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}
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// fetch meta information of segment
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collID, partID, err := m.getCollectionAndPartitionID(segmentID)
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if err != nil {
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return -1, -1, nil, err
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}
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sch, err := m.getCollectionSchema(collID, pos.GetTimestamp())
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if err != nil {
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return -1, -1, nil, err
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}
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meta := &etcdpb.CollectionMeta{
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ID: collID,
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Schema: sch,
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}
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return collID, partID, meta, nil
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}
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// waitForAllTaskQueue waits for all flush queues in dispatcher become empty
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func (m *rendezvousFlushManager) waitForAllFlushQueue() {
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var wg sync.WaitGroup
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m.dispatcher.Range(func(k, v interface{}) bool {
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queue := v.(*orderFlushQueue)
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wg.Add(1)
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go func() {
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<-queue.tailCh
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wg.Done()
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}()
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return true
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})
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wg.Wait()
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}
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// startDropping changes flush manager into dropping mode
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func (m *rendezvousFlushManager) startDropping() {
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m.dropping.Store(true)
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m.dropHandler.allFlushed = make(chan struct{})
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go func() {
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<-m.dropHandler.allFlushed // all needed flush tasks are in flush manager now
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m.waitForAllFlushQueue() // waits for all the normal flush queue done
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m.dropHandler.dropFlushWg.Wait() // waits for all drop mode task done
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m.dropHandler.Lock()
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defer m.dropHandler.Unlock()
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m.dropHandler.flushAndDrop(m.dropHandler.packs) // invoke drop & flush
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}()
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}
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func (m *rendezvousFlushManager) notifyAllFlushed() {
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close(m.dropHandler.allFlushed)
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}
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// close cleans up all the left members
|
|
func (m *rendezvousFlushManager) close() {
|
|
m.dispatcher.Range(func(k, v interface{}) bool {
|
|
//assertion ok
|
|
queue := v.(*orderFlushQueue)
|
|
queue.injectMut.Lock()
|
|
if queue.injectHandler != nil {
|
|
queue.injectHandler.close()
|
|
}
|
|
queue.injectMut.Unlock()
|
|
return true
|
|
})
|
|
}
|
|
|
|
type flushBufferInsertTask struct {
|
|
kv.BaseKV
|
|
data map[string]string
|
|
}
|
|
|
|
// flushInsertData implements flushInsertTask
|
|
func (t *flushBufferInsertTask) flushInsertData() error {
|
|
if t.BaseKV != nil && len(t.data) > 0 {
|
|
return t.MultiSave(t.data)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type flushBufferDeleteTask struct {
|
|
kv.BaseKV
|
|
data map[string]string
|
|
}
|
|
|
|
// flushDeleteData implements flushDeleteTask
|
|
func (t *flushBufferDeleteTask) flushDeleteData() error {
|
|
if len(t.data) > 0 && t.BaseKV != nil {
|
|
return t.MultiSave(t.data)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// NewRendezvousFlushManager create rendezvousFlushManager with provided allocator and kv
|
|
func NewRendezvousFlushManager(allocator allocatorInterface, kv kv.BaseKV, replica Replica, f notifyMetaFunc, drop flushAndDropFunc) *rendezvousFlushManager {
|
|
fm := &rendezvousFlushManager{
|
|
allocatorInterface: allocator,
|
|
BaseKV: kv,
|
|
notifyFunc: f,
|
|
Replica: replica,
|
|
dropHandler: dropHandler{
|
|
flushAndDrop: drop,
|
|
},
|
|
}
|
|
// start with normal mode
|
|
fm.dropping.Store(false)
|
|
return fm
|
|
}
|
|
|
|
func getFieldBinlogs(fieldID UniqueID, binlogs []*datapb.FieldBinlog) *datapb.FieldBinlog {
|
|
for _, binlog := range binlogs {
|
|
if fieldID == binlog.GetFieldID() {
|
|
return binlog
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func dropVirtualChannelFunc(dsService *dataSyncService, opts ...retry.Option) flushAndDropFunc {
|
|
return func(packs []*segmentFlushPack) {
|
|
req := &datapb.DropVirtualChannelRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: 0, //TODO msg type
|
|
MsgID: 0, //TODO msg id
|
|
Timestamp: 0, //TODO time stamp
|
|
SourceID: Params.NodeID,
|
|
},
|
|
ChannelName: dsService.vchannelName,
|
|
}
|
|
|
|
segmentPack := make(map[UniqueID]*datapb.DropVirtualChannelSegment)
|
|
for _, pack := range packs {
|
|
segment, has := segmentPack[pack.segmentID]
|
|
if !has {
|
|
segment = &datapb.DropVirtualChannelSegment{
|
|
SegmentID: pack.segmentID,
|
|
CollectionID: dsService.collectionID,
|
|
}
|
|
|
|
segmentPack[pack.segmentID] = segment
|
|
}
|
|
for k, v := range pack.insertLogs {
|
|
fieldBinlogs := getFieldBinlogs(k, segment.Field2BinlogPaths)
|
|
if fieldBinlogs == nil {
|
|
segment.Field2BinlogPaths = append(segment.Field2BinlogPaths, &datapb.FieldBinlog{
|
|
FieldID: k,
|
|
Binlogs: []string{v},
|
|
})
|
|
} else {
|
|
fieldBinlogs.Binlogs = append(fieldBinlogs.Binlogs, v)
|
|
}
|
|
}
|
|
for k, v := range pack.statsLogs {
|
|
fieldStatsLogs := getFieldBinlogs(k, segment.Field2StatslogPaths)
|
|
if fieldStatsLogs == nil {
|
|
segment.Field2StatslogPaths = append(segment.Field2StatslogPaths, &datapb.FieldBinlog{
|
|
FieldID: k,
|
|
Binlogs: []string{v},
|
|
})
|
|
} else {
|
|
fieldStatsLogs.Binlogs = append(fieldStatsLogs.Binlogs, v)
|
|
}
|
|
}
|
|
for _, delData := range pack.deltaLogs {
|
|
segment.Deltalogs = append(segment.Deltalogs, &datapb.DeltaLogInfo{RecordEntries: uint64(delData.size), TimestampFrom: delData.tsFrom, TimestampTo: delData.tsTo, DeltaLogPath: delData.filePath, DeltaLogSize: delData.fileSize})
|
|
}
|
|
updates, _ := dsService.replica.getSegmentStatisticsUpdates(pack.segmentID)
|
|
segment.NumOfRows = updates.GetNumRows()
|
|
if pack.pos != nil {
|
|
if segment.CheckPoint == nil || pack.pos.Timestamp > segment.CheckPoint.Timestamp {
|
|
segment.CheckPoint = pack.pos
|
|
}
|
|
}
|
|
}
|
|
|
|
// start positions for all new segments
|
|
for _, pos := range dsService.replica.listNewSegmentsStartPositions() {
|
|
segment, has := segmentPack[pos.GetSegmentID()]
|
|
if !has {
|
|
segment = &datapb.DropVirtualChannelSegment{
|
|
SegmentID: pos.GetSegmentID(),
|
|
CollectionID: dsService.collectionID,
|
|
}
|
|
|
|
segmentPack[pos.GetSegmentID()] = segment
|
|
}
|
|
segment.StartPosition = pos.GetStartPosition()
|
|
}
|
|
|
|
err := retry.Do(context.Background(), func() error {
|
|
rsp, err := dsService.dataCoord.DropVirtualChannel(context.Background(), req)
|
|
// should be network issue, return error and retry
|
|
if err != nil {
|
|
return fmt.Errorf(err.Error())
|
|
}
|
|
|
|
// TODO should retry only when datacoord status is unhealthy
|
|
if rsp.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
|
|
return fmt.Errorf("data service DropVirtualChannel failed, reason = %s", rsp.GetStatus().GetReason())
|
|
}
|
|
return nil
|
|
}, opts...)
|
|
if err != nil {
|
|
log.Warn("failed to DropVirtualChannel", zap.String("channel", dsService.vchannelName), zap.Error(err))
|
|
panic(err)
|
|
}
|
|
for segID := range segmentPack {
|
|
dsService.replica.segmentFlushed(segID)
|
|
dsService.flushingSegCache.Remove(segID)
|
|
}
|
|
}
|
|
}
|
|
|
|
func flushNotifyFunc(dsService *dataSyncService, opts ...retry.Option) notifyMetaFunc {
|
|
return func(pack *segmentFlushPack) {
|
|
if pack.err != nil {
|
|
log.Warn("flush pack with error, data node quit now")
|
|
// TODO silverxia change to graceful stop datanode
|
|
panic(pack.err)
|
|
}
|
|
fieldInsert := []*datapb.FieldBinlog{}
|
|
fieldStats := []*datapb.FieldBinlog{}
|
|
deltaInfos := []*datapb.DeltaLogInfo{}
|
|
checkPoints := []*datapb.CheckPoint{}
|
|
for k, v := range pack.insertLogs {
|
|
fieldInsert = append(fieldInsert, &datapb.FieldBinlog{FieldID: k, Binlogs: []string{v}})
|
|
}
|
|
for k, v := range pack.statsLogs {
|
|
fieldStats = append(fieldStats, &datapb.FieldBinlog{FieldID: k, Binlogs: []string{v}})
|
|
}
|
|
for _, delData := range pack.deltaLogs {
|
|
deltaInfos = append(deltaInfos, &datapb.DeltaLogInfo{RecordEntries: uint64(delData.size), TimestampFrom: delData.tsFrom, TimestampTo: delData.tsTo, DeltaLogPath: delData.filePath, DeltaLogSize: delData.fileSize})
|
|
}
|
|
|
|
// only current segment checkpoint info,
|
|
updates, _ := dsService.replica.getSegmentStatisticsUpdates(pack.segmentID)
|
|
checkPoints = append(checkPoints, &datapb.CheckPoint{
|
|
SegmentID: pack.segmentID,
|
|
NumOfRows: updates.GetNumRows(),
|
|
Position: pack.pos,
|
|
})
|
|
|
|
startPos := dsService.replica.listNewSegmentsStartPositions()
|
|
|
|
log.Debug("SaveBinlogPath",
|
|
zap.Int64("SegmentID", pack.segmentID),
|
|
zap.Int64("CollectionID", dsService.collectionID),
|
|
zap.Any("startPos", startPos),
|
|
zap.Int("Length of Field2BinlogPaths", len(fieldInsert)),
|
|
zap.Int("Length of Field2Stats", len(fieldStats)),
|
|
zap.Int("Length of Field2Deltalogs", len(deltaInfos)),
|
|
zap.String("vChannelName", dsService.vchannelName),
|
|
)
|
|
|
|
req := &datapb.SaveBinlogPathsRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: 0, //TODO msg type
|
|
MsgID: 0, //TODO msg id
|
|
Timestamp: 0, //TODO time stamp
|
|
SourceID: Params.NodeID,
|
|
},
|
|
SegmentID: pack.segmentID,
|
|
CollectionID: dsService.collectionID,
|
|
Field2BinlogPaths: fieldInsert,
|
|
Field2StatslogPaths: fieldStats,
|
|
Deltalogs: deltaInfos,
|
|
|
|
CheckPoints: checkPoints,
|
|
|
|
StartPositions: startPos,
|
|
Flushed: pack.flushed,
|
|
Dropped: pack.dropped,
|
|
}
|
|
err := retry.Do(context.Background(), func() error {
|
|
rsp, err := dsService.dataCoord.SaveBinlogPaths(context.Background(), req)
|
|
// should be network issue, return error and retry
|
|
if err != nil {
|
|
return fmt.Errorf(err.Error())
|
|
}
|
|
|
|
// TODO should retry only when datacoord status is unhealthy
|
|
if rsp.ErrorCode != commonpb.ErrorCode_Success {
|
|
return fmt.Errorf("data service save bin log path failed, reason = %s", rsp.Reason)
|
|
}
|
|
return nil
|
|
}, opts...)
|
|
if err != nil {
|
|
log.Warn("failed to SaveBinlogPaths", zap.Error(err))
|
|
// TODO change to graceful stop
|
|
panic(err)
|
|
}
|
|
|
|
if pack.flushed || pack.dropped {
|
|
dsService.replica.segmentFlushed(pack.segmentID)
|
|
}
|
|
dsService.flushingSegCache.Remove(req.GetSegmentID())
|
|
}
|
|
}
|