Github user GJL commented on a diff in the pull request: https://github.com/apache/flink/pull/5881#discussion_r183243029 --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java --- @@ -265,6 +272,29 @@ protected void initialize() throws ResourceManagerException { } } + @Override + public CompletableFuture<RegistrationResponse> registerTaskExecutor( --- End diff -- I think it's better to override `workerStarted()` ``` @Override protected YarnWorkerNode workerStarted(ResourceID resourceID) { // ack the pending register pendingContainersExpectedToRegister.remove(resourceID); return workerNodeMap.get(resourceID); } ``` This method is called when the registration was successful. When `registerTaskExecutor` is called, the registration can still fail.
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