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Posted to yarn-issues@hadoop.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2015/06/25 12:42:04 UTC

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

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

Devaraj K updated YARN-3826:
----------------------------
    Summary: Race condition in ResourceTrackerService leads to wrong diagnostics messages  (was: Race condition in ResourceTrackerService: potential wrong diagnostics messages)

> Race condition in ResourceTrackerService leads to 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
>            Assignee: Chengbing Liu
>         Attachments: YARN-3826.01.patch, YARN-3826.02.patch, YARN-3826.03.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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