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Posted to notifications@iotdb.apache.org by "Xinyu Tan (Jira)" <ji...@apache.org> on 2021/12/15 09:24:00 UTC

[jira] [Created] (IOTDB-2160) Fix cluster groupby query cross-node reference leaks

Xinyu Tan created IOTDB-2160:
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             Summary: Fix cluster groupby query cross-node reference leaks
                 Key: IOTDB-2160
                 URL: https://issues.apache.org/jira/browse/IOTDB-2160
             Project: Apache IoTDB
          Issue Type: Bug
          Components: Core/Cluster
            Reporter: Xinyu Tan
            Assignee: Xinyu Tan


In issue [1865|https://issues.apache.org/jira/browse/IOTDB-1865], I have confirmed that if data is not found in cluster query across nodes, reference leakage will occur, resulting in merge suspension or files cannot be deleted, etc. Relevant documents are [here|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=195726564].

Today, While looking at the code, I came across the possibility that grouyby queries could still have this leak problem, so I need to fix it. This time I have checked all query types and there should be no missing reference leaks.



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