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From "Robert Joseph Evans (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2911) Gracefully handle OutOfMemoryErrors
Date Wed, 18 Apr 2012 20:30:42 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Joseph Evans updated HDFS-2911:
--------------------------------------

    Target Version/s: 2.0.0, 3.0.0  (was: 0.23.1)
    
> Gracefully handle OutOfMemoryErrors
> -----------------------------------
>
>                 Key: HDFS-2911
>                 URL: https://issues.apache.org/jira/browse/HDFS-2911
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, name-node
>    Affects Versions: 0.23.0, 1.0.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>
> We should gracefully handle j.l.OutOfMemoryError exceptions in the NN or DN. We should
catch them in a high-level handler, cleanly fail the RPC (vs sending back the OOM stackrace)
or background thread, and shutdown the NN or DN. Currently the process is left in a not well-test
tested state (continuously fails RPCs and internal threads, may or may not recover and doesn't
shutdown gracefully).

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