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https://issues.apache.org/jira/browse/HADOOP-11569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi Ozawa updated HADOOP-11569:
------------------------------------
Resolution: Fixed
Fix Version/s: 2.7.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed this to trunk and branch-2. Thanks Vinay for your review and thanks
Uma for your review.
> 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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