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https://issues.apache.org/jira/browse/MAPREDUCE-6111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14157541#comment-14157541
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Hadoop QA commented on MAPREDUCE-6111:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12672704/MAPREDUCE-6111.2.patch
against trunk revision 054f285.
{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:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs:
org.apache.hadoop.mapreduce.v2.app.TestMRAppMaster
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4928//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4928//console
This message is automatically generated.
> Hadoop users' staging directories should be under a user folder
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-6111
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6111
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.5.0, 2.4.1
> Reporter: Jian Fang
> Attachments: MAPREDUCE-6111.2.patch
>
>
> Right now, Hadoop puts all users' staging directories under
> /tmp/hadoop-yarn/staging/, for example /tmp/hadoop-yarn/staging/hadoop for
> user hadoop, but the directory /tmp/hadoop-yarn/staging is also used for
> other purpose. For example, /tmp/hadoop-yarn/staging/history/ is used to hold
> finished JHS files. The shared parent /tmp/hadoop-yarn/staging makes it
> difficult to track all users' folders without adding extra logic to exclude
> other known folders.
> As a result, we should move all users' folders to a user sub-folder, i.e.,
> /tmp/hadoop-yarn/staging/user/. In this case, user hadoop's staging folder
> becomes /tmp/hadoop-yarn/staging/user/hadoop/.staging.
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