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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