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https://issues.apache.org/jira/browse/FLINK-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202024#comment-16202024
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ASF GitHub Bot commented on FLINK-7818:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/4811
Thanks for the review @zentol. Merging this PR.
> Synchronize MetricStore access in the TaskManagersHandler
> ---------------------------------------------------------
>
> Key: FLINK-7818
> URL: https://issues.apache.org/jira/browse/FLINK-7818
> Project: Flink
> Issue Type: Bug
> Components: Metrics, REST
> Affects Versions: 1.4.0, 1.3.2
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
>
> The {{TaskManagersHandler}} accesses the {{MetricStore}} when details for a
> single {{TaskManager}} are requested. The access is not synchronized which
> can be problematic because the {{MetricStore}} is not thread safe.
> I propose to add synchronization.
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