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Date: Thu, 11 Jun 2015 20:35:01 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <JIRA.12836969.1433972605000.49599.1434054901192@Atlassian.JIRA>
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 <JIRA.12836969.1433972605378@arcas>
Subject: [jira] [Commented] (MAPREDUCE-6394) Speed up Task processing loop
 in HsTasksBlock#render()
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-6394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582486#comment-14582486 ] 

Hadoop QA commented on MAPREDUCE-6394:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 19s | Pre-patch trunk has 1 extant Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 16 new or modified test files. |
| {color:green}+1{color} | javac |   7m 33s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 39s | There were no new javadoc warning messages. |
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   0m 47s | The applied patch generated  2 new checkstyle issues (total was 429, now 430). |
| {color:green}+1{color} | whitespace |   0m  8s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install |   1m 33s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse. |
| {color:red}-1{color} | findbugs |   2m  0s | The patch appears to introduce 1 new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | mapreduce tests |   9m  3s | Tests failed in hadoop-mapreduce-client-app. |
| {color:red}-1{color} | mapreduce tests |   5m 51s | Tests failed in hadoop-mapreduce-client-hs. |
| | |  54m  1s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-mapreduce-client-app |
| Failed unit tests | hadoop.mapreduce.v2.app.webapp.TestAMWebServicesTasks |
|   | hadoop.mapreduce.v2.hs.webapp.TestHsWebServicesTasks |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12739107/MAPREDUCE-6394.002.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / b258b34 |
| Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/artifact/patchprocess/trunkFindbugsWarningshadoop-mapreduce-client-app.html |
| checkstyle |  https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/artifact/patchprocess/diffcheckstylehadoop-mapreduce-client-app.txt |
| Findbugs warnings | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/artifact/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-app.html |
| hadoop-mapreduce-client-app test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/artifact/patchprocess/testrun_hadoop-mapreduce-client-app.txt |
| hadoop-mapreduce-client-hs test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/artifact/patchprocess/testrun_hadoop-mapreduce-client-hs.txt |
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 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 |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5797/console |


This message was automatically generated.

> Speed up Task processing loop in HsTasksBlock#render()
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-6394
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6394
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: jobhistoryserver
>    Affects Versions: 2.7.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>              Labels: supportability
>         Attachments: MAPREDUCE-6394.001.patch, MAPREDUCE-6394.002.patch
>
>
> In HsTasksBlock#render(), there is a loop to create a Javascript table which slows down immensely on jobs with a large number of tasks (200k or more).


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