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Posted to yarn-issues@hadoop.apache.org by "Zhaohui Xin (JIRA)" <ji...@apache.org> on 2018/08/14 02:44:00 UTC

[jira] [Updated] (YARN-8655) FSStarvedApps is not thread safe

     [ https://issues.apache.org/jira/browse/YARN-8655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhaohui Xin updated YARN-8655:
------------------------------
    Summary: FSStarvedApps is not thread safe  (was: FSStarvedApps is not thread unsafe)

> FSStarvedApps is not thread safe
> --------------------------------
>
>                 Key: YARN-8655
>                 URL: https://issues.apache.org/jira/browse/YARN-8655
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 3.0.0
>            Reporter: Zhaohui Xin
>            Priority: Major
>         Attachments: YARN-8655.patch
>
>
> For example, when app1 is fair share starved, it has been added to appsToProcess. After that, app1 is taken but appBeingProcessed is not yet update to app1. At the moment, app1 is starved by min share, so this app is added to appsToProcess again! Because appBeingProcessed is null and appsToProcess also have not this one!



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