[ 
https://issues.apache.org/jira/browse/HADOOP-15180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16437515#comment-16437515
 ] 

genericqa commented on HADOOP-15180:
------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 26m 
24s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} branch-2 Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  9m 
48s{color} | {color:red} root in branch-2 failed. {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
8s{color} | {color:green} branch-2 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m 
 0s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green}  0m 
10s{color} | {color:green} There were no new shelldocs issues. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
51s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
29s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 40m 31s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:f667ef1 |
| JIRA Issue | HADOOP-15180 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12918967/HADOOP-15180-branch-2-002.patch
 |
| Optional Tests |  asflicense  mvnsite  unit  shellcheck  shelldocs  |
| uname | Linux fc6177372a37 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 
10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / a772108 |
| maven | version: Apache Maven 3.3.9 
(bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T16:41:47+00:00) |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14488/artifact/out/branch-mvninstall-root.txt
 |
| shellcheck | v0.4.7 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14488/testReport/ |
| Max. process+thread count | 77 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14488/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> branch-2 : daemon processes' sysout overwrites 'ulimit -a' in daemon's out 
> file
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-15180
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15180
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 2.7.2
>            Reporter: Ranith Sardar
>            Assignee: Ranith Sardar
>            Priority: Minor
>         Attachments: HADOOP-15180-branch-2-002.patch, 
> HADOOP-15180_branch-2.diff
>
>
> Whenever the balancer starts, it will redirect the sys out to the out log 
> file.  And balancer writes the system output to the log file, at the same 
> time  script also will try to append ulimit output. 
> {noformat}
>  # capture the ulimit output
>     if [ "true" = "$starting_secure_dn" ]; then
>       echo "ulimit -a for secure datanode user $HADOOP_SECURE_DN_USER" >> $log
>       # capture the ulimit info for the appropriate user
>       su --shell=/bin/bash $HADOOP_SECURE_DN_USER -c 'ulimit -a' >> $log 2>&1
>     elif [ "true" = "$starting_privileged_nfs" ]; then
>         echo "ulimit -a for privileged nfs user $HADOOP_PRIVILEGED_NFS_USER" 
> >> $log
>         su --shell=/bin/bash $HADOOP_PRIVILEGED_NFS_USER -c 'ulimit -a' >> 
> $log 2>&1
>     else
>       echo "ulimit -a for user $USER" >> $log
>       ulimit -a >> $log 2>&1
>     fi
>     sleep 3;
>     if ! ps -p $! > /dev/null ; then
>       exit 1
>     fi
> {noformat}
> But the problem is first few lines of ulimit is overridding by the log of 
> balancer.
> {noformat}
> vm1:/opt/install/hadoop/namenode/sbin # cat 
> /opt/HA/AIH283/install/hadoop/namenode/logs/hadoop-root-balancer-vm1.out
> Time Stamp               Iteration#  Bytes Already Moved  Bytes Left To Move  
> Bytes Being Moved
> The cluster is balanced. Exiting...
> Jan 9, 2018 6:26:26 PM            0                  0 B                 0 B  
>               0 B
> Jan 9, 2018 6:26:26 PM   Balancing took 3.446 seconds
> x memory size         (kbytes, -m) 13428300
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) 8192
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 127350
> virtual memory          (kbytes, -v) 15992160
> file locks                      (-x) unlimited
> {noformat}



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