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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4384) Race conditions in IndexCache
Date Thu, 28 Jun 2012 23:26:44 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated MAPREDUCE-4384:
----------------------------------

    Attachment: mapreduce-4384.patch

A new test case tries to create the new entry race condition. I ran it many times, but only
got it to happen once.
                
> Race conditions in IndexCache
> -----------------------------
>
>                 Key: MAPREDUCE-4384
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4384
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.0.0-alpha
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>             Fix For: 0.23.3, 2.0.1-alpha, 3.0.0
>
>         Attachments: mapreduce-4384.patch
>
>
> TestIndexCache is intermittently failing due to a race condition. Up on inspection of
IndexCache implementation, more potential issues have been discovered.

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