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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2095) TableInputFormat should support more confs for the scanner
Date Thu, 07 Jan 2010 17:30:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-2095:
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.21.0
         Assignee: Bassam Tabbara
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Committed to 0.20 branch and trunk. Thanks for the patch Bassam! Thanks for the review Lars!

> TableInputFormat should support more confs for the scanner
> ----------------------------------------------------------
>
>                 Key: HBASE-2095
>                 URL: https://issues.apache.org/jira/browse/HBASE-2095
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapreduce
>    Affects Versions: 0.20.2
>            Reporter: Bassam Tabbara
>            Assignee: Bassam Tabbara
>             Fix For: 0.20.3, 0.21.0
>
>         Attachments: HBASE-2095.patch
>
>
> TableInputFormat currently only supports hbase.mapreduce.scan and hbase.mapreduce.inputtable
confs. The scan conf is a Base64 encoded scanner object, which makes it difficult to use TIF
from hadoop pipes. I propose that the following confs be supported iff hbase.mapreduce.scan
is not set:
> * hbase.mapreduce.scan.columns
> * hbase.mapreduce.scan.timestamp
> * hbase.mapreduce.scan.timerange.start
> * hbase.mapreduce.scan.timerange.end
> * hbase.mapreduce.scan.maxversions
> * hbase.mapreduce.scan.cacheblocks
> * hbase.mapreduce.scan.cachedrows
> Ideally we would also support filters but I think that would be harder to implement.

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