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https://issues.apache.org/jira/browse/HDFS-6097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13933009#comment-13933009
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Hadoop QA commented on HDFS-6097:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12634324/HDFS-6097.003.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/6389//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6389//console
This message is automatically generated.
> 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
>
>
> 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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