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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/06/09 08:49:20 UTC

[jira] [Updated] (DRILL-535) HbaseGroupScan should return more accurate size information.

     [ https://issues.apache.org/jira/browse/DRILL-535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-535:
---------------------------------

    Fix Version/s: Future

> HbaseGroupScan should return more accurate size information.  
> --------------------------------------------------------------
>
>                 Key: DRILL-535
>                 URL: https://issues.apache.org/jira/browse/DRILL-535
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Jinfeng Ni
>            Assignee: Aditya Kishore
>             Fix For: Future
>
>
> Currently, HbaseGroupScan.getSize() returns a default number, which will impact planner's ability to make a right decision, when it decides a good join order. 
> Ideally, getSize() should get row count for HTable. As a first step, it would be good to get total bytes, which will convert to a rough estimation of row count. The total bytes could be obtained by checking the HDFS file for the HTable. 



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