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Posted to notifications@iotdb.apache.org by "Yuan Tian (Jira)" <ji...@apache.org> on 2023/02/08 09:51:00 UTC

[jira] [Created] (IOTDB-5501) Memory leak in MemoryPool

Yuan Tian created IOTDB-5501:
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             Summary: Memory leak in MemoryPool
                 Key: IOTDB-5501
                 URL: https://issues.apache.org/jira/browse/IOTDB-5501
             Project: Apache IoTDB
          Issue Type: Bug
          Components: Core/Query
            Reporter: Yuan Tian
            Assignee: liaolanyu
         Attachments: image-2023-02-08-17-50-06-349.png

Currently, we don't remove `queryId -> fragmentInstanceId` and `fragmentInstanceId -> planNodeId` Map in MemoryPool. We only remove the `planNodeId -> bytesReserved` Map.
As the process running, the map will be growing larger and larger and finally OOM.
!image-2023-02-08-17-50-06-349.png!



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