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Posted to yarn-issues@hadoop.apache.org by "Chengbing Liu (JIRA)" <ji...@apache.org> on 2015/06/18 12:15:01 UTC

[jira] [Updated] (YARN-3826) Race condition in ResourceTrackerService: potential wrong diagnostics messages

     [ https://issues.apache.org/jira/browse/YARN-3826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chengbing Liu updated YARN-3826:
--------------------------------
    Attachment: YARN-3826.01.patch

Patch uploaded.

> Race condition in ResourceTrackerService: potential wrong diagnostics messages
> ------------------------------------------------------------------------------
>
>                 Key: YARN-3826
>                 URL: https://issues.apache.org/jira/browse/YARN-3826
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Chengbing Liu
>         Attachments: YARN-3826.01.patch
>
>
> Since we are calling {{setDiagnosticsMessage}} in {{nodeHeartbeat}}, which can be called concurrently, the static {{resync}} and {{shutdown}} may have wrong diagnostics messages in some cases.
> On the other side, these static members can hardly save any memory, since the normal heartbeat responses are created for each heartbeat.



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