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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-11569) Provide Merge API for MapFile to merge multiple similar MapFiles to one MapFile
Date Tue, 10 Feb 2015 06:52:34 GMT
Vinayakumar B created HADOOP-11569:
--------------------------------------

             Summary: 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


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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