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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5008) LeveldbRMStateStore database can grow substantially leading to long recovery times
Date Thu, 09 Jun 2016 16:37:21 GMT

     [ https://issues.apache.org/jira/browse/YARN-5008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Payne updated YARN-5008:
-----------------------------
    Fix Version/s:     (was: 2.7.4)
                   2.7.3

> LeveldbRMStateStore database can grow substantially leading to long recovery times
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-5008
>                 URL: https://issues.apache.org/jira/browse/YARN-5008
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.3
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>             Fix For: 2.7.3
>
>         Attachments: YARN-5008.001.patch
>
>
> On large clusters with high application churn the background compaction in leveldb may
not be able to keep up with the write rate.  This can lead to large leveldb databases that
take many minutes to recover despite not having very much real data in the database to load.
 Most the time is spent traversing tables full of keys that have been deleted.



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