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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-2029) DistributedRaidFileSystem not removed from cache on close()
Date Thu, 30 Sep 2010 13:09:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur resolved MAPREDUCE-2029.
-----------------------------------------

     Hadoop Flags: [Reviewed]
    Fix Version/s: 0.22.0
       Resolution: Fixed

I just committed this. Thanks Ram!

> DistributedRaidFileSystem not removed from cache on close()
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-2029
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2029
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/raid
>    Affects Versions: 0.22.0
>            Reporter: Paul Yang
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-2029.patch
>
>
> When DistributedRaidFileSystem.close() is called, it does not remove itself from the
FileSystem cache, but it does close the underlying filesystem, e.g. DFS.
> Because the DRFS with the closed DFS is still in the cache, calling FileSystem.get()
returns a stale DRFS that throws 'filesystem closed' exceptions.

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