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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12946) Ensure one JVMPauseMonitor thread per JVM
Date Mon, 21 Mar 2016 04:54:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15203705#comment-15203705
] 

Hadoop QA commented on HADOOP-12946:
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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 15s {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 14s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 7s {color} | {color:green}
trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 20s {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} 1m 2s {color} | {color:green}
trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 37s {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 44s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 8s {color} | {color:green}
the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 8s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 21s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 21s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 0s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {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 54s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s {color} | {color:green}
the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s {color} | {color:green}
the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 26s {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 35s {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 25s {color} | {color:red}
Patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 64m 47s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_74 Failed junit tests | hadoop.security.ssl.TestReloadingX509TrustManager |
| 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/12794443/HADOOP-12946-002.patch
|
| JIRA Issue | HADOOP-12946 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux c2cadbab76d9 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 / ed1e23f |
| 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/8885/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/8885/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/8885/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
https://builds.apache.org/job/PreCommit-HADOOP-Build/8885/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/8885/testReport/
|
| asflicense | https://builds.apache.org/job/PreCommit-HADOOP-Build/8885/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/8885/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> Ensure one JVMPauseMonitor thread per JVM
> -----------------------------------------
>
>                 Key: HADOOP-12946
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12946
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.8.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>         Attachments: HADOOP-12946-001.patch, HADOOP-12946-002.patch
>
>
> Ensure at most one JVMPauseMonitor thread is running per JVM when there are multiple
JVMPauseMonitor instances, e.g., in mini clusters. This will prevent redundant GC pause log
messages while still maintaining one monitor thread running.
> This is a different way to fix HADOOP-12855.



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