[ 
https://issues.apache.org/jira/browse/YARN-3344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14552431#comment-14552431
 ] 

Hadoop QA commented on YARN-3344:
---------------------------------

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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m  2s | 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 41s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m  1s | 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 |   0m 24s | There were no new checkstyle 
issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 23s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   1m 57s | Tests passed in 
hadoop-yarn-common. |
| | |  39m  2s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12734126/YARN-3344-trunk.005.patch
 |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 4aa730c |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8024/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8024/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.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-YARN-Build/8024/console |


This message was automatically generated.

> procfs stat file is not in the expected format warning
> ------------------------------------------------------
>
>                 Key: YARN-3344
>                 URL: https://issues.apache.org/jira/browse/YARN-3344
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Jon Bringhurst
>            Assignee: Ravindra Kumar Naik
>         Attachments: YARN-3344-trunk.005.patch
>
>
> Although this doesn't appear to be causing any functional issues, it is 
> spamming our log files quite a bit. :)
> It appears that the regex in ProcfsBasedProcessTree doesn't work for all 
> /proc/<pid>/stat files.
> Here's the error I'm seeing:
> {noformat}
>     "source_host": "asdf",
>     "method": "constructProcessInfo",
>     "level": "WARN",
>     "message": "Unexpected: procfs stat file is not in the expected format 
> for process with pid 6953"
>     "file": "ProcfsBasedProcessTree.java",
>     "line_number": "514",
>     "class": "org.apache.hadoop.yarn.util.ProcfsBasedProcessTree",
> {noformat}
> And here's the basic info on process with pid 6953:
> {noformat}
> [asdf ~]$ cat /proc/6953/stat
> 6953 (python2.6 /expo) S 1871 1871 1871 0 -1 4202496 9364 1080 0 0 25 3 0 0 
> 20 0 1 0 144918696 205295616 5856 18446744073709551615 1 1 0 0 0 0 0 16781312 
> 2 18446744073709551615 0 0 17 13 0 0 0 0 0
> [asdf ~]$ ps aux|grep 6953
> root      6953  0.0  0.0 200484 23424 ?        S    21:44   0:00 python2.6 
> /export/apps/salt/minion-scripts/module-sync.py
> jbringhu 13481  0.0  0.0 105312   872 pts/0    S+   22:13   0:00 grep -i 6953
> [asdf ~]$ 
> {noformat}
> This is using 2.6.32-431.11.2.el6.x86_64 in RHEL 6.5.



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