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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6697) Concurrent task limits should only be applied when necessary
Date Wed, 12 Jul 2017 15:46:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16084189#comment-16084189
] 

Hadoop QA commented on MAPREDUCE-6697:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 20s{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 1 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  9m  6s{color}
| {color:green} branch-2.8 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 20s{color} |
{color:green} branch-2.8 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 26s{color} |
{color:green} branch-2.8 passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 18s{color}
| {color:green} branch-2.8 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 30s{color} |
{color:green} branch-2.8 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 18s{color}
| {color:green} branch-2.8 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 48s{color} |
{color:green} branch-2.8 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 16s{color} |
{color:green} branch-2.8 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 18s{color} |
{color:green} branch-2.8 passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 24s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 19s{color} |
{color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 19s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 22s{color} |
{color:green} the patch passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 22s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 15s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 26s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 13s{color}
| {color:green} the patch passed {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} findbugs {color} | {color:green}  0m 57s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 12s{color} |
{color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 16s{color} |
{color:green} the patch passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m  2s{color} | {color:green}
hadoop-mapreduce-client-app in the patch passed with JDK v1.7.0_131. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 17s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 36m 43s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:d946387 |
| JIRA Issue | MAPREDUCE-6697 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12876863/MAPREDUCE-6697-branch-2.8.001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 09b34b6a11b8 3.13.0-117-generic #164-Ubuntu SMP Fri Apr 7 11:05:26 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2.8 / ebb66d2 |
| Default Java | 1.7.0_131 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_131 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_131
|
| findbugs | v3.0.0 |
| JDK v1.7.0_131  Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7025/testReport/
|
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7025/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Concurrent task limits should only be applied when necessary
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-6697
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6697
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.7.0
>            Reporter: Jason Lowe
>            Assignee: Nathan Roberts
>             Fix For: 2.9.0, 3.0.0-alpha4
>
>         Attachments: MAPREDUCE-6697-branch-2.8.001.patch, MAPREDUCE-6697-v1.patch
>
>
> The concurrent task limit feature should only adjust the ANY portion of the AM heartbeat
ask when a limit is truly necessary, otherwise extraneous containers could be allocated by
the RM to the AM adding some overhead to both.  Specifying a concurrent task limit that is
beyond the total number of tasks in the job should be the same as asking for no limit.



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