dmvk commented on code in PR #22506:
URL: https://github.com/apache/flink/pull/22506#discussion_r1186661023
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flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java:
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@@ -473,26 +500,50 @@ public CompletableFuture<Acknowledge> cancel(Time
timeout) {
@Override
public CompletableFuture<Acknowledge> updateTaskExecutionState(
final TaskExecutionState taskExecutionState) {
- FlinkException taskExecutionException;
+ checkNotNull(taskExecutionState, "taskExecutionState");
+ // Use the main/caller thread for all updates to make sure they are
processed in order.
+ // (MainThreadExecutor i.e., the akka thread pool does not guarantee
that)
+ // Only detach for a FAILED state update that is terminal and may
perform io heavy labeling.
+ if
(ExecutionState.FAILED.equals(taskExecutionState.getExecutionState())) {
+ return labelFailure(taskExecutionState)
+ .thenApplyAsync(
+ taskStateWithLabels -> {
+ try {
+ return
doUpdateTaskExecutionState(taskStateWithLabels);
+ } catch (FlinkException e) {
+ throw new CompletionException(e);
+ }
+ },
+ getMainThreadExecutor());
+ }
try {
- checkNotNull(taskExecutionState, "taskExecutionState");
+ return CompletableFuture.completedFuture(
+ doUpdateTaskExecutionState(taskExecutionState));
+ } catch (FlinkException e) {
+ return FutureUtils.completedExceptionally(e);
+ }
+ }
+ private Acknowledge doUpdateTaskExecutionState(final TaskExecutionState
taskExecutionState)
+ throws FlinkException {
+ @Nullable FlinkException taskExecutionException;
+ try {
if (schedulerNG.updateTaskExecutionState(taskExecutionState)) {
Review Comment:
> Since the failure labeling is not a critical process
This is something that we've also considered but it is just pushing the
problem far down the road. There has been a consensus that people want to use
this for implementing custom restart strategies (e.g., you can decide based on
the global context of your infrastructure). This has been intentionally pushed
out of the Flip, but it will be a natural follow-up that we shouldn't prevent
because too many people have asked for it.
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