[jira] [Commented] (MAPREDUCE-6111) Hadoop users' staging directories should be under a user folder

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525670#comment-14525670 ] 

Hadoop QA commented on MAPREDUCE-6111:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 32s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new or modified test files. |
| {color:green}+1{color} | javac |   7m 26s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 34s | There were no new javadoc warning messages. |
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m 32s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  1s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install |   1m 33s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   2m 38s | The patch does not introduce any new Findbugs (version 2.0.3) warnings. |
| {color:red}-1{color} | mapreduce tests |   9m 33s | Tests failed in hadoop-mapreduce-client-app. |
| {color:green}+1{color} | mapreduce tests |   0m 45s | Tests passed in hadoop-mapreduce-client-common. |
| {color:green}+1{color} | mapreduce tests |   5m 43s | Tests passed in hadoop-mapreduce-client-hs. |
| | |  54m 14s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.mapreduce.v2.app.TestMRAppMaster |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12672704/MAPREDUCE-6111.2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / e8d0ee5 |
| hadoop-mapreduce-client-app test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5623/artifact/patchprocess/testrun_hadoop-mapreduce-client-app.txt |
| hadoop-mapreduce-client-common test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5623/artifact/patchprocess/testrun_hadoop-mapreduce-client-common.txt |
| hadoop-mapreduce-client-hs test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5623/artifact/patchprocess/testrun_hadoop-mapreduce-client-hs.txt |
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5623/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5623/console |


This message was 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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