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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5950) The DFSClient and DataNode should use shared memory segments to communicate short-circuit information
Date Tue, 04 Mar 2014 19:13:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13919785#comment-13919785
] 

Chris Nauroth commented on HDFS-5950:
-------------------------------------

This patch also causes {{TestBlockReaderLocal}} to fail if native code is not loaded, or if
the platform is Windows.  I filed HDFS-6052.

> The DFSClient and DataNode should use shared memory segments to communicate short-circuit
information
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5950
>                 URL: https://issues.apache.org/jira/browse/HDFS-5950
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client
>    Affects Versions: 2.4.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.4.0
>
>         Attachments: HDFS-5950.001.patch, HDFS-5950.003.patch, HDFS-5950.004.patch, HDFS-5950.006.patch,
HDFS-5950.007.patch, HDFS-5950.008.patch
>
>
> The DFSClient and DataNode should use the shared memory segments and unified cache added
in the other HDFS-5182 subtasks to communicate short-circuit information.



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