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https://issues.apache.org/jira/browse/HBASE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13232416#comment-13232416
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Zhihong Yu commented on HBASE-3996:
-----------------------------------
@Eran:
There was unnecessary formatting in your patch:
{code}
+ if (jars.isEmpty())
+ return;
{code}
The convention is to put 'return' on the same line or use curly braces
otherwise.
> Support multiple tables and scanners as input to the mapper in map/reduce jobs
> ------------------------------------------------------------------------------
>
> Key: HBASE-3996
> URL: https://issues.apache.org/jira/browse/HBASE-3996
> Project: HBase
> Issue Type: Improvement
> Components: mapreduce
> Reporter: Eran Kutner
> Fix For: 0.94.0
>
> Attachments: HBase-3996.patch
>
>
> It seems that in many cases feeding data from multiple tables or multiple
> scanners on a single table can save a lot of time when running map/reduce
> jobs.
> I propose a new MultiTableInputFormat class that would allow doing this.
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