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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12855) Add option to disable JVMPauseMonitor across services
Date Sun, 20 Mar 2016 20:45:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15203512#comment-15203512
] 

Hadoop QA commented on HADOOP-12855:
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| (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 16s {color} | {color:blue}
Docker mode activated. {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 3 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 20s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 46s {color} |
{color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 14s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 20s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 57s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 36s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 0s {color} | {color:green}
trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 8s {color} | {color:green}
trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 43s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 38s {color} |
{color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 38s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 12s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 12s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 19s {color}
| {color:green} hadoop-common-project/hadoop-common: patch generated 0 new + 5 unchanged -
3 fixed = 5 total (was 8) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 56s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 53s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 0s {color} | {color:green}
the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s {color} | {color:green}
the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 13m 3s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 50s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 22s {color} | {color:red}
Patch generated 4 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 71m 15s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_74 Timed out junit tests | org.apache.hadoop.util.TestNativeLibraryChecker |
| JDK v1.7.0_95 Timed out junit tests | org.apache.hadoop.util.TestNativeLibraryChecker |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12794425/HADOOP-12855-option-001.patch
|
| JIRA Issue | HADOOP-12855 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 22bfd92a103f 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 |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 7fae4c6 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/testReport/
|
| asflicense | https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/8884/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> Add option to disable JVMPauseMonitor across services
> -----------------------------------------------------
>
>                 Key: HADOOP-12855
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12855
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: performance, test
>    Affects Versions: 2.8.0
>         Environment: JVMs with miniHDFS and miniYarn clusters
>            Reporter: Steve Loughran
>            Assignee: John Zhuge
>         Attachments: HADOOP-12855-001.patch, HADOOP-12855-002.patch, HADOOP-12855-003.patch,
HADOOP-12855-004.patch, HADOOP-12855-005.patch, HADOOP-12855-option-001.patch
>
>
> Now that the YARN and HDFS services automatically start a JVM pause monitor, if you start
up the mini HDFS and YARN clusters, with history server, you are spinning off 5 + threads,
all looking for JVM pauses, all printing things out when it happens.
> We do not need these monitors in minicluster testing; they merely add load and noise
to tests.
> Rather than retrofit new options everywhere, how about having a "jvm.pause.monitor.enabled"
flag (default true), which, when set, starts off the monitor thread.
> That way, the existing code is unchanged, there is always a JVM pause monitor for the
various services —it just isn't spinning up threads.



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