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Posted to dev@flink.apache.org by "Sitan Pang (Jira)" <ji...@apache.org> on 2022/08/30 03:09:00 UTC

[jira] [Created] (FLINK-29132) SubtaskMetricStore causes memory leak.

Sitan Pang created FLINK-29132:
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             Summary: SubtaskMetricStore causes memory leak.
                 Key: FLINK-29132
                 URL: https://issues.apache.org/jira/browse/FLINK-29132
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Metrics
            Reporter: Sitan Pang


In [FLINK-28588][https://issues.apache.org/jira/browse/FLINK-28588], MetricStore supports multiple attempts of a subtask. However, `SubtaskMetricStore` doesn't have a clean mechanism.  In failover scenario, `attempts` pile up and cause OOM.



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