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Posted to notifications@iotdb.apache.org by "Yuan Tian (Jira)" <ji...@apache.org> on 2022/01/13 12:25:00 UTC

[jira] [Created] (IOTDB-2390) MemoryLeak cause by wal Scheduled trim task thread

Yuan Tian created IOTDB-2390:
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             Summary: MemoryLeak cause by wal Scheduled trim task thread
                 Key: IOTDB-2390
                 URL: https://issues.apache.org/jira/browse/IOTDB-2390
             Project: Apache IoTDB
          Issue Type: Bug
          Components: Core/Engine
    Affects Versions: 0.12.4, master branch
            Reporter: Yuan Tian


The `StorageGroupProcessor` itself is held by the a  `newSingleThreadScheduledExecutor` which is created by itself in its constructor. That means even if we execute `delete storage group` command, the `storage group` won't be truly removed from memory, it will be held by the trim task thread forever.



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