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https://issues.apache.org/jira/browse/FLINK-29132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sitan Pang updated FLINK-29132:
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Description: In [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. (was: 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.)
> 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
> Priority: Major
>
> In [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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