[jira] Commented: (HBASE-1829) Make use of start/stop row in TableInputFormat

["stack (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774700#action_12774700 ] 

stack commented on HBASE-1829:
------------------------------

Patch looks great Lars.  It looks like you forgot to add TestTableInputFormatScan.java to v3 of your patch.  Is that right?  If so, I can just apply v3 and add TestTableInputFormatScan.java?

What you think we should do for 0.20?  Just not add it to the branch?  Tests depend on the new stuff?

Thanks.

> Make use of start/stop row in TableInputFormat
> ----------------------------------------------
>
>                 Key: HBASE-1829
>                 URL: https://issues.apache.org/jira/browse/HBASE-1829
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Lars George
>            Assignee: Lars George
>             Fix For: 0.20.2, 0.21.0
>
>         Attachments: HBASE-1829-v2.patch, HBASE-1829-v3.patch, HBASE-1829.patch, HBaseTestingUtility.java, TestTableInputFormatScan.java
>
>
> Since we can now specify a start and stop row with the Scan that is handed to the TIF we can reduce the splits to the regions that contain these rows. That allows to test large MR jobs on a single region for example.

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