zhuzhurk commented on code in PR #22506:
URL: https://github.com/apache/flink/pull/22506#discussion_r1185941867
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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:
How about to do failure enrichment in
`SchedulerNG#updateTaskExecutionState(TaskExecutionStateTransition)`?
A common logic can be introduced to be reused by `SchedulerBase` and
`AdaptiveScheduler`.
I prefer to not spread the reference of JobMaster to avoid it being coupled
with scheduler internals. InternalFailuresListener is also a workaround to
support errors which are directly performed on `Execution`s, notifying them to
schedulers. It should be removed in the future.
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