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From "Miklos Szegedi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6895) [FairScheduler] Preemption reservation may cause regular reservation leaks
Date Thu, 03 Aug 2017 23:42:02 GMT

     [ https://issues.apache.org/jira/browse/YARN-6895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Miklos Szegedi updated YARN-6895:
---------------------------------
    Attachment: YARN-6895.branch-2.001.patch

Attached a new patch.

> [FairScheduler] Preemption reservation may cause regular reservation leaks
> --------------------------------------------------------------------------
>
>                 Key: YARN-6895
>                 URL: https://issues.apache.org/jira/browse/YARN-6895
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>            Priority: Blocker
>         Attachments: YARN-6895.000.patch, YARN-6895.001.patch, YARN-6895.branch-2.000.patch,
YARN-6895.branch-2.001.patch
>
>
> We found a limitation in the implementation of YARN-6432. If the container released is
smaller than the preemption request, a node reservation is created that is never deleted.



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