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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2017/10/11 22:47:00 UTC

[jira] [Commented] (FLINK-7818) Synchronize MetricStore access in the TaskManagersHandler

    [ https://issues.apache.org/jira/browse/FLINK-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16201111#comment-16201111 ] 

Till Rohrmann commented on FLINK-7818:
--------------------------------------

Once the {{MetricStore}} is thread safe, we can remove the synchronization.

> 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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