[ 
https://issues.apache.org/jira/browse/MAPREDUCE-6174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572594#comment-14572594
 ] 

Hudson commented on MAPREDUCE-6174:
-----------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #218 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/218/])
MAPREDUCE-6174. Combine common stream code into parent class for 
InMemoryMapOutput and OnDiskMapOutput. (Eric Payne via gera) (gera: rev 
d90c13e2da8867661bf19a802add70145ab9a462)
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/OnDiskMapOutput.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/MergeManagerImpl.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/InMemoryMapOutput.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestFetcher.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/IFileWrappedMapOutput.java
* hadoop-mapreduce-project/CHANGES.txt


> Combine common stream code into parent class for InMemoryMapOutput and 
> OnDiskMapOutput.
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6174
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6174
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 3.0.0, 2.6.0
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>              Labels: BB2015-05-RFC
>             Fix For: 2.8.0
>
>         Attachments: MAPREDUCE-6174.002.patch, MAPREDUCE-6174.003.patch, 
> MAPREDUCE-6174.004.patch, MAPREDUCE-6174.005.patch, MAPREDUCE-6174.006.patch, 
> MAPREDUCE-6174.007.patch, MAPREDUCE-6174.v1.txt
>
>
> Per MAPREDUCE-6166, both InMemoryMapOutput and OnDiskMapOutput will be doing 
> similar things with regards to IFile streams.
> In order to make it explicit that InMemoryMapOutput and OnDiskMapOutput are 
> different from 3rd-party implementations, this JIRA will make them subclass a 
> common class (see 
> https://issues.apache.org/jira/browse/MAPREDUCE-6166?focusedCommentId=14223368&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14223368)



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