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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5746) add ShortCircuitSharedMemorySegment
Date Wed, 22 Jan 2014 19:03:24 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-5746:
---------------------------------------

    Issue Type: Sub-task  (was: Improvement)
        Parent: HDFS-5182

> add ShortCircuitSharedMemorySegment
> -----------------------------------
>
>                 Key: HDFS-5746
>                 URL: https://issues.apache.org/jira/browse/HDFS-5746
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 3.0.0
>
>         Attachments: HDFS-5746.001.patch
>
>
> Add ShortCircuitSharedMemorySegment, which will be used to communicate information between
the datanode and the client about whether a replica is mlocked.



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