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https://issues.apache.org/jira/browse/HDFS-6046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918991#comment-13918991
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Hadoop QA commented on HDFS-6046:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12632410/HDFS-6046.002.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 1 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:red}-1 findbugs{color}. The patch appears to introduce 3 new
Findbugs (version 1.3.9) warnings.
{color:red}-1 release audit{color}. The applied patch generated 1
release audit warnings.
{color:red}-1 core tests{color}. The test build failed 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/6288//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/6288//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/6288//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6288//console
This message is automatically generated.
> add dfs.client.mmap.enabled
> ---------------------------
>
> Key: HDFS-6046
> URL: https://issues.apache.org/jira/browse/HDFS-6046
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Affects Versions: 2.4.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-6046.001.patch, HDFS-6046.002.patch,
> HDFS-6046.003.patch
>
>
> It would be nice to have a configuration variable, dfs.client.mmap.enabled.
> which would disable mmap reads in the client. This could come in handy for
> debugging or performance benchmarking.
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