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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/08/01 00:59:48 UTC

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

Colin Patrick McCabe created HDFS-5050:
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             Summary: 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
            Reporter: Colin Patrick McCabe


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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