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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13632) Daemonization does not check process liveness before renicing
Date Thu, 28 Sep 2017 21:56:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16184965#comment-16184965
] 

Hadoop QA commented on HADOOP-13632:
------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 29s{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} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m  9s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 58s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}  7m 41s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
|
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 46s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m  4s{color}
| {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green}  0m  7s{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:green}+1{color} | {color:green} shadedclient {color} | {color:green}  8m 58s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
|
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 32s{color} | {color:green}
hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 18s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 34m 22s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HADOOP-13632 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12836699/HADOOP-13632.002.patch
|
| Optional Tests |  asflicense  mvnsite  unit  shellcheck  shelldocs  |
| uname | Linux 66ea6cd3f12c 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / ca669f9 |
| shellcheck | v0.4.6 |
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/13404/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/13404/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Daemonization does not check process liveness before renicing
> -------------------------------------------------------------
>
>                 Key: HADOOP-13632
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13632
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>         Attachments: HADOOP-13632.001.patch, HADOOP-13632.002.patch
>
>
> If you try to daemonize a process that is incorrectly configured, it will die quite quickly.
However, the daemonization function will still try to renice it even if it's down, leading
to something like this for my namenode:
> {noformat}
> -> % bin/hdfs --daemon start namenode
> ERROR: Cannot set priority of namenode process 12036
> {noformat}
> It'd be more user-friendly instead of this renice error, we said that the process couldn't
be started.



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