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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11569) Provide Merge API for MapFile to merge multiple similar MapFiles to one MapFile
Date Tue, 10 Feb 2015 12:38:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14314102#comment-14314102
] 

Hadoop QA commented on HADOOP-11569:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12697710/HADOOP-11569-003.patch
  against trunk revision e0ec071.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 2 new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5641//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/5641//artifact/patchprocess/newPatchFindbugsWarningshadoop-common.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5641//console

This message is automatically generated.

> 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
>         Attachments: HADOOP-11569-001.patch, HADOOP-11569-002.patch, HADOOP-11569-003.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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