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Posted to dev@flink.apache.org by "Jiayi Liao (Jira)" <ji...@apache.org> on 2021/06/06 05:46:00 UTC

[jira] [Created] (FLINK-22886) Thread leak in RocksDBStateUploader

Jiayi Liao created FLINK-22886:
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             Summary: Thread leak in RocksDBStateUploader
                 Key: FLINK-22886
                 URL: https://issues.apache.org/jira/browse/FLINK-22886
             Project: Flink
          Issue Type: Bug
          Components: Runtime / State Backends
    Affects Versions: 1.12.4, 1.13.1, 1.11.3
            Reporter: Jiayi Liao


{{ExecutorService}} in {{RocksDBStateUploader}} is not shut down, which may leak thread when tasks fail. 

BTW, we should name the thread group in {{ExecutorService}}, otherwise what we see in the stack, is a lot of threads named with "pool-{x}-thread-{y}".




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