[
https://issues.apache.org/jira/browse/MAPREDUCE-6425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615119#comment-14615119
]
Hudson commented on MAPREDUCE-6425:
-----------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #2175 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2175/])
MAPREDUCE-6425. ShuffleHandler passes wrong "base" parameter to (devaraj: rev
bff67dfe2f811654ffb1bbcbd87509c185f452b6)
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/test/java/org/apache/hadoop/mapred/TestShuffleHandler.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
* hadoop-mapreduce-project/CHANGES.txt
> 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
> Fix For: 2.7.2
>
> 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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