Github user StephanEwen commented on the pull request: https://github.com/apache/flink/commit/2477161352e12e75e2f0f85b5833ad04dc6d31f2#commitcomment-18252310 In flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTaskState.java: In flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTaskState.java on line 103: The change I made was to clear the heap references earlier. Less chance of redundant work when concurrent disposals happen.
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