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From "Gokul (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1910) when dfs.name.dir and dfs.name.edits.dir are same fsimage will be saved twice every time
Date Tue, 10 May 2011 05:11:03 GMT
when dfs.name.dir and dfs.name.edits.dir are same fsimage will be saved twice every time
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                 Key: HDFS-1910
                 URL: https://issues.apache.org/jira/browse/HDFS-1910
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.21.0
            Reporter: Gokul
            Priority: Minor


when image and edits dir are configured same, the fsimage flushing from memory to disk will
be done twice whenever saveNamespace is done. this may impact the performance of backupnode/snn
where it does a saveNamespace during every checkpointing time.

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