StefanRRichter commented on a change in pull request #7568: [FLINK-11417] Make
access to ExecutionGraph single threaded from JobMaster main thread
URL: https://github.com/apache/flink/pull/7568#discussion_r250975767
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/failover/FailoverRegion.java
##########
@@ -152,10 +160,16 @@ private void cancel(final long
globalModVersionOfFailover) {
}
final FutureUtils.ConjunctFuture<Void>
allTerminal = FutureUtils.waitForAll(futures);
- allTerminal.thenAcceptAsync(
- (Void value) ->
allVerticesInTerminalState(globalModVersionOfFailover),
- executor);
-
+ final Consumer<Void> recoveryAction =
+ (Void value) ->
allVerticesInTerminalState(globalModVersionOfFailover);
+
+ if (testExecutor == null) {
+ // branch for production code.
+
allTerminal.thenAccept(recoveryAction);
+ } else {
+ // this branch should only be
taken for some unit tests.
+
allTerminal.thenAcceptAsync(recoveryAction, testExecutor);
Review comment:
It is the `PipelinedRegionFailoverConcurrencyTest` because we need to pass
in a custom executor with manual triggering to step through execution in a
particular order.
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