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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/08/24 05:42:52 UTC

[jira] [Resolved] (HDFS-5050) Add DataNode support for mlock and munlock

     [ https://issues.apache.org/jira/browse/HDFS-5050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe resolved HDFS-5050.
----------------------------------------

          Resolution: Fixed
       Fix Version/s: HDFS-4949
    Target Version/s: HDFS-4949

committed
                
> Add DataNode support for mlock and munlock
> ------------------------------------------
>
>                 Key: HDFS-5050
>                 URL: https://issues.apache.org/jira/browse/HDFS-5050
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>             Fix For: HDFS-4949
>
>         Attachments: hdfs-5050-1.patch, hdfs-5050-2.patch, hdfs-5050-3.patch
>
>
> Add DataNode support for mlock and munlock.  The DataNodes should respond to RPCs telling them to mlock and munlock blocks.  Blocks should be uncached when the NameNode asks for them to be moved or deleted.  For now, we should cache only completed blocks.

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