lindong28 commented on code in PR #20454:
URL: https://github.com/apache/flink/pull/20454#discussion_r945559936
##########
flink-runtime/src/main/java/org/apache/flink/runtime/operators/coordination/OperatorCoordinatorHolder.java:
##########
@@ -302,6 +377,68 @@ private void checkpointCoordinatorInternal(
final long checkpointId, final CompletableFuture<byte[]> result) {
mainThreadExecutor.assertRunningInMainThread();
+ try {
+ if (currentPendingCheckpointId !=
OperatorCoordinator.NO_CHECKPOINT) {
+ throw new IllegalStateException(
+ String.format(
+ "Cannot checkpoint coordinator for checkpoint
%d, "
+ + "since checkpoint %d has already
started.",
+ checkpointId, currentPendingCheckpointId));
+ }
+
+ if (latestAttemptedCheckpointId >= checkpointId) {
+ throw new IllegalStateException(
+ String.format(
+ "Regressing checkpoint IDs. Previous
checkpointId = %d, new checkpointId = %d",
+ latestAttemptedCheckpointId, checkpointId));
+ }
+
+ subtaskGatewayMap.forEach(
+ (subtask, gateway) ->
gateway.markForCheckpoint(checkpointId));
+
+
Preconditions.checkState(acknowledgeCloseGatewayFutureMap.isEmpty());
+ } catch (Throwable t) {
+ result.completeExceptionally(t);
+ globalFailureHandler.handleGlobalFailure(t);
+ return;
+ }
+
+ currentPendingCheckpointId = checkpointId;
+ latestAttemptedCheckpointId = checkpointId;
+
+ for (int subtask : subtaskGatewayMap.keySet()) {
+ acknowledgeCloseGatewayFutureMap.put(subtask, new
CompletableFuture<>());
+ final OperatorEvent closeGatewayEvent = new
CloseGatewayEvent(checkpointId, subtask);
+ subtaskGatewayMap
+ .get(subtask)
+ .sendEvent(closeGatewayEvent)
+ .handleAsync(
Review Comment:
Should we use `whenCompleteAsync()` with `mainThreadExecutor`?
##########
flink-runtime/src/main/java/org/apache/flink/runtime/operators/coordination/OperatorCoordinatorHolder.java:
##########
@@ -302,6 +377,68 @@ private void checkpointCoordinatorInternal(
final long checkpointId, final CompletableFuture<byte[]> result) {
mainThreadExecutor.assertRunningInMainThread();
+ try {
+ if (currentPendingCheckpointId !=
OperatorCoordinator.NO_CHECKPOINT) {
+ throw new IllegalStateException(
+ String.format(
+ "Cannot checkpoint coordinator for checkpoint
%d, "
+ + "since checkpoint %d has already
started.",
+ checkpointId, currentPendingCheckpointId));
+ }
+
+ if (latestAttemptedCheckpointId >= checkpointId) {
+ throw new IllegalStateException(
+ String.format(
+ "Regressing checkpoint IDs. Previous
checkpointId = %d, new checkpointId = %d",
+ latestAttemptedCheckpointId, checkpointId));
+ }
+
+ subtaskGatewayMap.forEach(
+ (subtask, gateway) ->
gateway.markForCheckpoint(checkpointId));
+
+
Preconditions.checkState(acknowledgeCloseGatewayFutureMap.isEmpty());
+ } catch (Throwable t) {
+ result.completeExceptionally(t);
+ globalFailureHandler.handleGlobalFailure(t);
+ return;
+ }
+
+ currentPendingCheckpointId = checkpointId;
+ latestAttemptedCheckpointId = checkpointId;
+
+ for (int subtask : subtaskGatewayMap.keySet()) {
+ acknowledgeCloseGatewayFutureMap.put(subtask, new
CompletableFuture<>());
+ final OperatorEvent closeGatewayEvent = new
CloseGatewayEvent(checkpointId, subtask);
Review Comment:
Should we use `whenCompleteAsync()` with `mainThreadExecutor`?
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