tillrohrmann commented on a change in pull request #15396:
URL: https://github.com/apache/flink/pull/15396#discussion_r605577602
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/entrypoint/ClusterEntrypoint.java
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@@ -579,6 +580,19 @@ protected static Configuration loadConfiguration(
public static void runClusterEntrypoint(ClusterEntrypoint
clusterEntrypoint) {
+ // Register the signal handler so that we could have the chance to
execute the shutdown
+ // supplier before handling the signal.
+ SignalHandler.register(
+ LOG,
+ () -> {
+ if (clusterEntrypoint.isShutDown.get()) {
+ LOG.info("Waiting for concurrent shutDownAsync
finished.");
+ return
clusterEntrypoint.terminationFuture.thenAccept(ignored -> {});
+ } else {
+ return FutureUtils.completedVoidFuture();
+ }
+ });
Review comment:
I think this is what `closeAsync()` does. It checks whether a shut down
is in progress. If not, then it triggers it. If yes, then it simply returns the
`terminationFuture`.
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