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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6097) zero-copy reads are incorrectly disabled on file offsets above 2GB
Date Thu, 13 Mar 2014 18:43:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13933864#comment-13933864
] 

Chris Nauroth commented on HDFS-6097:
-------------------------------------

+1 for v5 pending Jenkins.  Thanks again, Colin.

> zero-copy reads are incorrectly disabled on file offsets above 2GB
> ------------------------------------------------------------------
>
>                 Key: HDFS-6097
>                 URL: https://issues.apache.org/jira/browse/HDFS-6097
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.4.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-6097.003.patch, HDFS-6097.004.patch, HDFS-6097.005.patch
>
>
> Zero-copy reads are incorrectly disabled on file offsets above 2GB due to some code that
is supposed to disable zero-copy reads on offsets in block files greater than 2GB (because
MappedByteBuffer segments are limited to that size).



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