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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1829) Make use of start/stop row in TableInputFormat
Date Mon, 09 Nov 2009 00:39:32 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774841#action_12774841
] 

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

I applied TRUNK.  Shall I apply all but the tests to 0.20 (The tests won't work in 0.20 branch).
 I think it should be fine.  The default behavior is unchanged.  Its only if you provide start/stop
rows that behavior changes.

> 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-v4.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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