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Posted to dev@flink.apache.org by "Spongebob (Jira)" <ji...@apache.org> on 2021/12/19 03:50:00 UTC

[jira] [Created] (FLINK-25373) task manager can not free memory when jobs are finished

Spongebob created FLINK-25373:
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             Summary: task manager can not free memory when jobs are finished
                 Key: FLINK-25373
                 URL: https://issues.apache.org/jira/browse/FLINK-25373
             Project: Flink
          Issue Type: Bug
          Components: API / Core
    Affects Versions: 1.14.0
         Environment: flink 1.14.0
            Reporter: Spongebob
         Attachments: image-2021-12-19-11-48-33-622.png

I submit my Flinksql jobs to the Flink standalone cluster and what  out of my expectation is that TaskManagers could not free memory when all jobs are finished whether normally or not.

And I found that there were many threads named like `
flink-taskexecutor-io-thread-x` and their states were waiting on conditions.
!image-2021-12-19-11-48-33-622.png!
 



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