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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2209) SecondaryNamenode process should exit if it encounters Runtime exceptions
Date Thu, 29 Nov 2007 21:37:43 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HADOOP-2209:
-------------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this.

> SecondaryNamenode process should exit if it encounters Runtime exceptions
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-2209
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2209
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>             Fix For: 0.16.0
>
>         Attachments: secondaryExit.patch
>
>
> I saw a case when the SecondaryNamenode encountered a OutOfMemory exception because the
fsimage and edits file were too big to fit into the Secondary Namenode's memory. However,
the process did not exit.
> Exception in thread "org.apache.hadoop.dfs.SecondaryNameNode@73eb904d" java.lang.OutOfMemoryError:
GC overhead limit
> exceeded
>   at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:45)
>   at java.lang.StringBuffer.<init>(StringBuffer.java:91)
>   at org.apache.hadoop.io.UTF8.toString(UTF8.java:129)
>   at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:692)
>   at org.apache.hadoop.dfs.SecondaryNameNode.doMerge(SecondaryNameNode.java:304)
>   at org.apache.hadoop.dfs.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:273)
>   at org.apache.hadoop.dfs.SecondaryNameNode.run(SecondaryNameNode.java:190)
>   at java.lang.Thread.run(Thread.java:619)
> 		

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