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Posted to notifications@iotdb.apache.org by "Haiming Zhu (Jira)" <ji...@apache.org> on 2022/01/13 12:34:00 UTC

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

     [ https://issues.apache.org/jira/browse/IOTDB-2390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haiming Zhu reassigned IOTDB-2390:
----------------------------------

    Assignee: Haiming Zhu

> 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: master branch, 0.12.4
>            Reporter: Yuan Tian
>            Assignee: Haiming Zhu
>            Priority: Major
>
> 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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