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Posted to dev@hbase.apache.org by "Jonathan Gray (JIRA)" <ji...@apache.org> on 2009/01/31 20:41:59 UTC

[jira] Work started: (HBASE-1170) Specify startRow and stopRow for MapReduce / TabieInputFormat

     [ https://issues.apache.org/jira/browse/HBASE-1170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HBASE-1170 started by Jonathan Gray.

> Specify startRow and stopRow for MapReduce / TabieInputFormat
> -------------------------------------------------------------
>
>                 Key: HBASE-1170
>                 URL: https://issues.apache.org/jira/browse/HBASE-1170
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.19.1, 0.20.0
>
>
> We have a use case for this.  Can currently be implemented using filters but this still requires a full table scan.
> In addition to extending TableMapReduceUtil, this would affect the splitting algorithm to only include those regions containing keys within the start and stop.

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