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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6425) ShuffleHandler passes wrong "base" parameter to getMapOutputInfo if mapId is not in the cache.
Date Sat, 04 Jul 2015 09:57:04 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14613652#comment-14613652
] 

Hadoop QA commented on MAPREDUCE-6425:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m 14s | Pre-patch trunk compilation is healthy. |
| {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 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 34s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 37s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 19s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  1s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   0m 44s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | mapreduce tests |   0m 19s | Tests passed in hadoop-mapreduce-client-shuffle.
|
| | |  36m 21s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12743566/MAPREDUCE-6425.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 2eae130 |
| hadoop-mapreduce-client-shuffle test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5868/artifact/patchprocess/testrun_hadoop-mapreduce-client-shuffle.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5868/testReport/
|
| Java | 1.7.0_55 |
| uname | Linux asf905.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/5868/console |


This message was automatically generated.

> ShuffleHandler passes wrong "base" parameter to getMapOutputInfo if mapId is not in the
cache.
> ----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6425
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6425
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, nodemanager
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: MAPREDUCE-6425.000.patch, MAPREDUCE-6425.001.patch
>
>
> ShuffleHandler passes wrong {{base}} parameter to {{getMapOutputInfo}} if mapId is not
in the cache.
> {{getMapOutputInfo}} expected the {{base}} parameter is {{getBaseLocation(jobId, user)
+ mapId}}
> When it is called inside populateHeaders, the {{base}} parameter is set correctly
> {code}
>         String base = outputBaseStr + mapId;
>         MapOutputInfo outputInfo = getMapOutputInfo(base, mapId, reduce, user);
> {code}
> When  it is called outside populateHeaders, the {{base}} parameter is set wrongly to
outputBasePathStr after number of mapId cached exceeds {{mapOutputMetaInfoCacheSize}}.
> {code}
>          String outputBasePathStr = getBaseLocation(jobId, user);
>           MapOutputInfo info = mapOutputInfoMap.get(mapId);
>           if (info == null) {
>             info = getMapOutputInfo(outputBasePathStr, mapId, reduceId, user);
>           }
> {code}



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