owner, sink(ticdc): cherry-pick memory quota, gc and failover related…

… fix (pingcap#9546)

ref pingcap#9535

cdc/capture/capture.go

@@ -326,6 +326,8 @@ func (c *captureImpl) run(stdCtx context.Context) error {
 	}()
 
 	g, stdCtx := errgroup.WithContext(stdCtx)
+	stdCtx, cancel := context.WithCancel(stdCtx)
+
 	ctx := cdcContext.NewContext(stdCtx, &cdcContext.GlobalVars{
 		CaptureInfo:       c.info,
 		EtcdClient:        c.EtcdClient,
@@ -335,7 +337,6 @@ func (c *captureImpl) run(stdCtx context.Context) error {
 		SorterSystem:      c.sorterSystem,
 		SortEngineFactory: c.sortEngineFactory,
 	})
-
 	g.Go(func() error {
 		// when the campaignOwner returns an error, it means that the owner throws
 		// an unrecoverable serious errors (recoverable errors are intercepted in the owner tick)
@@ -351,9 +352,20 @@ func (c *captureImpl) run(stdCtx context.Context) error {
 	})
 
 	g.Go(func() error {
+		// Processor manager should be closed as soon as possible to prevent double write issue.
+		defer func() {
+			if cancel != nil {
+				// Propagate the cancel signal to the owner and other goroutines.
+				cancel()
+			}
+			if c.processorManager != nil {
+				c.processorManager.AsyncClose()
+			}
+			log.Info("processor manager closed", zap.String("captureID", c.info.ID))
+		}()
 		processorFlushInterval := time.Duration(c.config.ProcessorFlushInterval)
 
-		globalState := orchestrator.NewGlobalState(c.EtcdClient.GetClusterID())
+		globalState := orchestrator.NewGlobalState(c.EtcdClient.GetClusterID(), c.config.CaptureSessionTTL)
 
 		globalState.SetOnCaptureAdded(func(captureID model.CaptureID, addr string) {
 			c.MessageRouter.AddPeer(captureID, addr)
@@ -419,7 +431,6 @@ func (c *captureImpl) campaignOwner(ctx cdcContext.Context) error {
 		}
 		// Campaign to be the owner, it blocks until it been elected.
 		if err := c.campaign(ctx); err != nil {
-
 			rootErr := errors.Cause(err)
 			if rootErr == context.Canceled {
 				return nil
@@ -467,7 +478,7 @@ func (c *captureImpl) campaignOwner(ctx cdcContext.Context) error {
 		owner := c.newOwner(c.upstreamManager)
 		c.setOwner(owner)
 
-		globalState := orchestrator.NewGlobalState(c.EtcdClient.GetClusterID())
+		globalState := orchestrator.NewGlobalState(c.EtcdClient.GetClusterID(), c.config.CaptureSessionTTL)
 
 		globalState.SetOnCaptureAdded(func(captureID model.CaptureID, addr string) {
 			c.MessageRouter.AddPeer(captureID, addr)
@@ -485,27 +496,27 @@ func (c *captureImpl) campaignOwner(ctx cdcContext.Context) error {
 			}
 		})
 
-		err = c.runEtcdWorker(ownerCtx, owner,
-			orchestrator.NewGlobalState(c.EtcdClient.GetClusterID()),
-			ownerFlushInterval, util.RoleOwner.String())
+		err = c.runEtcdWorker(ownerCtx, owner, globalState, ownerFlushInterval, util.RoleOwner.String())
 		c.owner.AsyncStop()
 		c.setOwner(nil)
 
-		// if owner exits, resign the owner key,
-		// use a new context to prevent the context from being cancelled.
-		resignCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-		if resignErr := c.resign(resignCtx); resignErr != nil {
-			if errors.Cause(resignErr) != context.DeadlineExceeded {
-				log.Info("owner resign failed", zap.String("captureID", c.info.ID),
+		if !cerror.ErrNotOwner.Equal(err) {
+			// if owner exits, resign the owner key,
+			// use a new context to prevent the context from being cancelled.
+			resignCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+			if resignErr := c.resign(resignCtx); resignErr != nil {
+				if errors.Cause(resignErr) != context.DeadlineExceeded {
+					log.Info("owner resign failed", zap.String("captureID", c.info.ID),
+						zap.Error(resignErr), zap.Int64("ownerRev", ownerRev))
+					cancel()
+					return errors.Trace(resignErr)
+				}
+
+				log.Warn("owner resign timeout", zap.String("captureID", c.info.ID),
 					zap.Error(resignErr), zap.Int64("ownerRev", ownerRev))
-				cancel()
-				return errors.Trace(resignErr)
 			}
-
-			log.Warn("owner resign timeout", zap.String("captureID", c.info.ID),
-				zap.Error(resignErr), zap.Int64("ownerRev", ownerRev))
+			cancel()
 		}
-		cancel()
 
 		log.Info("owner resigned successfully",
 			zap.String("captureID", c.info.ID), zap.Int64("ownerRev", ownerRev))
@@ -622,10 +633,6 @@ func (c *captureImpl) AsyncClose() {
 
 	c.captureMu.Lock()
 	defer c.captureMu.Unlock()
-	if c.processorManager != nil {
-		c.processorManager.AsyncClose()
-	}
-	log.Info("processor manager closed", zap.String("captureID", c.info.ID))
 
 	c.grpcService.Reset(nil)
 	if c.MessageRouter != nil {

cdc/capture/election.go

@@ -39,11 +39,11 @@ func newElection(sess *concurrency.Session, key string) election {
 	}
 }
 
-func (e *electionImpl) campaign(ctx context.Context, key string) error {
+func (e *electionImpl) campaign(ctx context.Context, val string) error {
 	failpoint.Inject("capture-campaign-compacted-error", func() {
 		failpoint.Return(errors.Trace(mvcc.ErrCompacted))
 	})
-	return e.election.Campaign(ctx, key)
+	return e.election.Campaign(ctx, val)
 }
 
 func (e *electionImpl) resign(ctx context.Context) error {

cdc/owner/owner.go

@@ -411,14 +411,6 @@ func (o *ownerImpl) updateMetrics() {
 			changefeedStatusGauge.WithLabelValues(cfID.Namespace, cfID.ID).
 				Set(float64(cf.state.Info.State.ToInt()))
 		}
-
-		// The InfoProvider is a proxy object returning information
-		// from the scheduler.
-		infoProvider := cf.GetInfoProvider()
-		if infoProvider == nil {
-			// The scheduler has not been initialized yet.
-			continue
-		}
 	}
 }
 

cdc/owner/owner_test.go

@@ -120,7 +120,7 @@ func createOwner4Test(ctx cdcContext.Context, t *testing.T) (*ownerImpl, *orches
 	o := owner.(*ownerImpl)
 	o.upstreamManager = upstream.NewManager4Test(pdClient)
 
-	state := orchestrator.NewGlobalState(etcd.DefaultCDCClusterID)
+	state := orchestrator.NewGlobalStateForTest(etcd.DefaultCDCClusterID)
 	tester := orchestrator.NewReactorStateTester(t, state, nil)
 
 	// set captures
@@ -430,7 +430,7 @@ func TestUpdateGCSafePoint(t *testing.T) {
 	ctx := cdcContext.NewBackendContext4Test(true)
 	ctx, cancel := cdcContext.WithCancel(ctx)
 	defer cancel()
-	state := orchestrator.NewGlobalState(etcd.DefaultCDCClusterID)
+	state := orchestrator.NewGlobalState(etcd.DefaultCDCClusterID, 0)
 	tester := orchestrator.NewReactorStateTester(t, state, nil)
 
 	// no changefeed, the gc safe point should be max uint64
@@ -667,7 +667,7 @@ WorkLoop:
 }
 
 func TestCalculateGCSafepointTs(t *testing.T) {
-	state := orchestrator.NewGlobalState(etcd.DefaultCDCClusterID)
+	state := orchestrator.NewGlobalState(etcd.DefaultCDCClusterID, 0)
 	expectMinTsMap := make(map[uint64]uint64)
 	expectForceUpdateMap := make(map[uint64]interface{})
 	o := ownerImpl{changefeeds: make(map[model.ChangeFeedID]*changefeed)}

cdc/processor/manager.go

@@ -227,6 +227,7 @@ func (m *managerImpl) handleCommand(ctx cdcContext.Context) error {
 		for changefeedID := range m.processors {
 			m.closeProcessor(changefeedID, ctx)
 		}
+		log.Info("All processors are closed in processor manager")
 		// FIXME: we should drain command queue and signal callers an error.
 		return cerrors.ErrReactorFinished
 	case commandTpWriteDebugInfo:

cdc/processor/manager_test.go

@@ -71,7 +71,7 @@ func (s *managerTester) resetSuit(ctx cdcContext.Context, t *testing.T) {
 			checkpointTs: replicaInfo.StartTs,
 		}, nil
 	}, &s.liveness)
-	s.state = orchestrator.NewGlobalState(etcd.DefaultCDCClusterID)
+	s.state = orchestrator.NewGlobalState(etcd.DefaultCDCClusterID, 0)
 	captureInfoBytes, err := ctx.GlobalVars().CaptureInfo.Marshal()
 	require.Nil(t, err)
 	s.tester = orchestrator.NewReactorStateTester(t, s.state, map[string]string{

cdc/processor/sinkmanager/manager.go

@@ -273,6 +273,20 @@ func (m *SinkManager) run(ctx context.Context, warnings ...chan<- error) (err er
 				zap.Error(err))
 			m.clearSinkFactory()
 			sinkFactoryErrors = make(chan error, 16)
+
+			start := time.Now()
+			log.Info("Sink manager is closing all table sinks",
+				zap.String("namespace", m.changefeedID.Namespace),
+				zap.String("changefeed", m.changefeedID.ID))
+			m.tableSinks.Range(func(key, value interface{}) bool {
+				value.(*tableSinkWrapper).closeTableSink()
+				m.sinkMemQuota.ClearTable(key.(model.TableID))
+				return true
+			})
+			log.Info("Sink manager has closed all table sinks",
+				zap.String("namespace", m.changefeedID.Namespace),
+				zap.String("changefeed", m.changefeedID.ID),
+				zap.Duration("cost", time.Since(start)))
 		}
 
 		if !cerror.IsChangefeedUnRetryableError(err) && errors.Cause(err) != context.Canceled {
@@ -413,22 +427,17 @@ func (m *SinkManager) backgroundGC(errors chan<- error) {
 	}()
 }
 
-// generateSinkTasks generates tasks to fetch data from the source manager.
-func (m *SinkManager) generateSinkTasks(ctx context.Context) error {
-	// Task upperbound is limited by barrierTs and schemaResolvedTs.
-	// But receivedSorterResolvedTs can be less than barrierTs, in which case
-	// the table is just scheduled to this node.
-	getUpperBound := func(
-		tableSinkUpperBoundTs model.Ts,
-	) engine.Position {
-		schemaTs := m.schemaStorage.ResolvedTs()
-		if schemaTs != math.MaxUint64 && tableSinkUpperBoundTs > schemaTs+1 {
-			// schemaTs == math.MaxUint64 means it's in tests.
-			tableSinkUpperBoundTs = schemaTs + 1
-		}
-		return engine.Position{StartTs: tableSinkUpperBoundTs - 1, CommitTs: tableSinkUpperBoundTs}
+func (m *SinkManager) getUpperBound(tableSinkUpperBoundTs model.Ts) engine.Position {
+	schemaTs := m.schemaStorage.ResolvedTs()
+	if schemaTs != math.MaxUint64 && tableSinkUpperBoundTs > schemaTs+1 {
+		// schemaTs == math.MaxUint64 means it's in tests.
+		tableSinkUpperBoundTs = schemaTs + 1
 	}
+	return engine.Position{StartTs: tableSinkUpperBoundTs - 1, CommitTs: tableSinkUpperBoundTs}
+}
 
+// generateSinkTasks generates tasks to fetch data from the source manager.
+func (m *SinkManager) generateSinkTasks(ctx context.Context) error {
 	dispatchTasks := func() error {
 		tables := make([]*tableSinkWrapper, 0, sinkWorkerNum)
 		progs := make([]*progress, 0, sinkWorkerNum)
@@ -476,7 +485,7 @@ func (m *SinkManager) generateSinkTasks(ctx context.Context) error {
 			tableSink := tables[i]
 			slowestTableProgress := progs[i]
 			lowerBound := slowestTableProgress.nextLowerBoundPos
-			upperBound := getUpperBound(tableSink.getUpperBoundTs())
+			upperBound := m.getUpperBound(tableSink.getUpperBoundTs())
 			// The table has no available progress.
 			if lowerBound.Compare(upperBound) >= 0 {
 				m.sinkProgressHeap.push(slowestTableProgress)
@@ -502,7 +511,7 @@ func (m *SinkManager) generateSinkTasks(ctx context.Context) error {
 			t := &sinkTask{
 				tableID:       tableSink.tableID,
 				lowerBound:    lowerBound,
-				getUpperBound: getUpperBound,
+				getUpperBound: m.getUpperBound,
 				tableSink:     tableSink,
 				callback: func(lastWrittenPos engine.Position) {
 					p := &progress{
@@ -566,18 +575,6 @@ func (m *SinkManager) generateSinkTasks(ctx context.Context) error {
 }
 
 func (m *SinkManager) generateRedoTasks(ctx context.Context) error {
-	// We use the table's resolved ts as the upper bound to fetch events.
-	getUpperBound := func(tableSinkUpperBoundTs model.Ts) engine.Position {
-		// If a task carries events after schemaResolvedTs, mounter group threads
-		// can be blocked on waiting schemaResolvedTs get advanced.
-		schemaTs := m.schemaStorage.ResolvedTs()
-		if tableSinkUpperBoundTs > schemaTs+1 {
-			tableSinkUpperBoundTs = schemaTs + 1
-		}
-
-		return engine.Position{StartTs: tableSinkUpperBoundTs - 1, CommitTs: tableSinkUpperBoundTs}
-	}
-
 	dispatchTasks := func() error {
 		tables := make([]*tableSinkWrapper, 0, redoWorkerNum)
 		progs := make([]*progress, 0, redoWorkerNum)
@@ -624,7 +621,7 @@ func (m *SinkManager) generateRedoTasks(ctx context.Context) error {
 			tableSink := tables[i]
 			slowestTableProgress := progs[i]
 			lowerBound := slowestTableProgress.nextLowerBoundPos
-			upperBound := getUpperBound(tableSink.getReceivedSorterResolvedTs())
+			upperBound := m.getUpperBound(tableSink.getReceivedSorterResolvedTs())
 
 			// The table has no available progress.
 			if lowerBound.Compare(upperBound) >= 0 {
@@ -646,7 +643,7 @@ func (m *SinkManager) generateRedoTasks(ctx context.Context) error {
 			t := &redoTask{
 				tableID:       tableSink.tableID,
 				lowerBound:    lowerBound,
-				getUpperBound: getUpperBound,
+				getUpperBound: m.getUpperBound,
 				tableSink:     tableSink,
 				callback: func(lastWrittenPos engine.Position) {
 					p := &progress{
@@ -840,7 +837,7 @@ func (m *SinkManager) AsyncStopTable(tableID model.TableID) bool {
 			zap.String("changefeed", m.changefeedID.ID),
 			zap.Int64("tableID", tableID))
 	}
-	if tableSink.(*tableSinkWrapper).asyncClose() {
+	if tableSink.(*tableSinkWrapper).asyncStop() {
 		cleanedBytes := m.sinkMemQuota.RemoveTable(tableID)
 		cleanedBytes += m.redoMemQuota.RemoveTable(tableID)
 		log.Debug("MemoryQuotaTracing: Clean up memory quota for table sink task when removing table",
@@ -910,7 +907,7 @@ func (m *SinkManager) GetTableState(tableID model.TableID) (tablepb.TableState,
 	// again or not if it returns false. So we must retry `tableSink.asyncClose` here
 	// if necessary. It's better to remove the dirty logic in the future.
 	tableSink := wrapper.(*tableSinkWrapper)
-	if tableSink.getState() == tablepb.TableStateStopping && tableSink.asyncClose() {
+	if tableSink.getState() == tablepb.TableStateStopping && tableSink.asyncStop() {
 		cleanedBytes := m.sinkMemQuota.RemoveTable(tableID)
 		cleanedBytes += m.redoMemQuota.RemoveTable(tableID)
 		log.Debug("MemoryQuotaTracing: Clean up memory quota for table sink task when removing table",
@@ -982,14 +979,6 @@ func (m *SinkManager) Close() {
 		zap.String("changefeed", m.changefeedID.ID))
 	start := time.Now()
 	m.waitSubroutines()
-	m.tableSinks.Range(func(_, value interface{}) bool {
-		sink := value.(*tableSinkWrapper)
-		sink.close()
-		if m.eventCache != nil {
-			m.eventCache.removeTable(sink.tableID)
-		}
-		return true
-	})
 	m.clearSinkFactory()
 
 	log.Info("Closed sink manager",

cdc/processor/sinkmanager/table_sink_worker.go

@@ -312,7 +312,7 @@ func (w *sinkWorker) handleTask(ctx context.Context, task *sinkTask) (finalErr e
 			// events have been reported. Then we can continue the table
 			// at the checkpoint position.
 			case tablesink.SinkInternalError:
-				task.tableSink.clearTableSink()
+				task.tableSink.closeAndClearTableSink()
 				// After the table sink is cleared all pending events are sent out or dropped.
 				// So we can re-add the table into sinkMemQuota.
 				w.sinkMemQuota.ClearTable(task.tableSink.tableID)