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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5405) Fix possible RetryCache hang for caching RPC handlers in FSNamesystem
Date Thu, 24 Oct 2013 05:41:43 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang resolved HDFS-5405.
-------------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-4949

Thanks Colin, committed to branch.

> Fix possible RetryCache hang for caching RPC handlers in FSNamesystem
> ---------------------------------------------------------------------
>
>                 Key: HDFS-5405
>                 URL: https://issues.apache.org/jira/browse/HDFS-5405
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: HDFS-4949
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: HDFS-4949
>
>         Attachments: hdfs-5405-1.patch
>
>
> Related to the fix in HDFS-5299, we need to make sure that uncaught exceptions happen
before {{RetryCache.waitForCompletion}}, or badly timed failovers can lead to a perma-hang.



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