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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4301) NM disk health checker should have a timeout
Date Fri, 13 Nov 2015 11:16:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003862#comment-15003862
] 

Hadoop QA commented on YARN-4301:
---------------------------------

| (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 7s {color} | {color:blue}
docker + precommit patch detected. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 21s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 52s {color} |
{color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s {color} |
{color:green} trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 25s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 24s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 40s {color}
| {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 19s {color} | {color:red}
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common in trunk has 3 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 29s {color} |
{color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 0s {color} | {color:green}
trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 20s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 53s {color} |
{color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 53s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 51s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 51s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 29s {color} | {color:red}
Patch generated 5 new checkstyle issues in hadoop-yarn-project/hadoop-yarn (total was 223,
now 227). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 20s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 39s {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} xml {color} | {color:green} 0m 0s {color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 12s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 41s {color} |
{color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 4s {color} | {color:green}
the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 23s {color} | {color:green}
hadoop-yarn-api in the patch passed with JDK v1.8.0_60. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 5s {color} | {color:green}
hadoop-yarn-common in the patch passed with JDK v1.8.0_60. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 54s {color} | {color:green}
hadoop-yarn-server-nodemanager in the patch passed with JDK v1.8.0_60. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 23s {color} | {color:green}
hadoop-yarn-api in the patch passed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 8s {color} | {color:green}
hadoop-yarn-common in the patch passed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 4s {color} | {color:green}
hadoop-yarn-server-nodemanager in the patch passed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 23s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 57m 14s {color} | {color:black}
{color} |
\\
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|| Subsystem || Report/Notes ||
| Docker | Client=1.7.1 Server=1.7.1 Image:test-patch-base-hadoop-date2015-11-13 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12772161/YARN-4301-1.patch
|
| JIRA Issue | YARN-4301 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  xml  |
| uname | Linux 78fe3b37bc7c 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 | /home/jenkins/jenkins-slave/workspace/PreCommit-YARN-Build/patchprocess/apache-yetus-fa12328/precommit/personality/hadoop.sh
|
| git revision | trunk / cccf884 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-YARN-Build/9681/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common-warnings.html
|
| checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/9681/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt
|
| JDK v1.7.0_79  Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9681/testReport/
|
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager U: hadoop-yarn-project/hadoop-yarn
|
| Max memory used | 228MB |
| Powered by | Apache Yetus   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/9681/console |


This message was automatically generated.



> NM disk health checker should have a timeout
> --------------------------------------------
>
>                 Key: YARN-4301
>                 URL: https://issues.apache.org/jira/browse/YARN-4301
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Akihiro Suda
>         Attachments: YARN-4301-1.patch
>
>
> The disk health checker [verifies a disk|https://github.com/apache/hadoop/blob/96677bef00b03057038157efeb3c2ad4702914da/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.java#L371-L385]
by executing {{mkdir}} and {{rmdir}} periodically.
> If these operations does not return in a moderate timeout, the disk should be marked
bad, and thus {{nodeInfo.nodeHealthy}} should flip to {{false}}.
> I confirmed that current YARN does not have an implicit timeout (on JDK7, Linux 4.2,
ext4) using [Earthquake|https://github.com/osrg/earthquake], our fault injector for distributed
systems.
> (I'll introduce the reproduction script in a while)
> I consider we can fix this issue by making [{{NodeHealthCheckerServer.isHealthy()}}|https://github.com/apache/hadoop/blob/96677bef00b03057038157efeb3c2ad4702914da/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeHealthCheckerService.java#L69-L73]
return {{false}} if the value of {{this.getLastHealthReportTime()}} is too old.



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