curcur commented on a change in pull request #16531:
URL: https://github.com/apache/flink/pull/16531#discussion_r676264956
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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@@ -338,6 +338,9 @@ protected StreamTask(
Executors.newCachedThreadPool(
new ExecutorThreadFactory("AsyncOperations",
uncaughtExceptionHandler));
+ environment.setMainMailboxExecutor(mainMailboxExecutor);
+ environment.setAsyncOperationsThreadPool(asyncOperationsThreadPool);
Review comment:
asyncOperationsThreadPool provides async snapshot workers for async
checkpoint runnable, which is exactly what we used for materialization in the
changelog case.
whether/how to merge IO pool with this async pool is a different topic,
which is related but may not be within this ticket's scope.
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