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https://issues.apache.org/jira/browse/HADOOP-11569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340028#comment-14340028
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Hudson commented on HADOOP-11569:
---------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #117 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/117/])
HADOOP-11569. Provide Merge API for MapFile to merge multiple similar MapFiles
to one MapFile. Contributed by Vinayakumar B. (ozawa: rev
48c7ee7553af94a57952bca03b49c04b9bbfab45)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/MapFile.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestMapFile.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> Provide Merge API for MapFile to merge multiple similar MapFiles to one
> MapFile
> -------------------------------------------------------------------------------
>
> Key: HADOOP-11569
> URL: https://issues.apache.org/jira/browse/HADOOP-11569
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Fix For: 2.7.0
>
> Attachments: HADOOP-11569-001.patch, HADOOP-11569-002.patch,
> HADOOP-11569-003.patch, HADOOP-11569-004.patch, HADOOP-11569-005.patch,
> HADOOP-11569-006.patch
>
>
> If there are multiple similar MapFiles of the same keyClass and value
> classes, then these can be merged together to One MapFile to allow search
> easier.
> Provide an API similar to {{SequenceFile#merge()}}.
> Merging will be easy with the fact that MapFiles are already sorted.
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