[jira] [Commented] (HBASE-4702) Allow override of scan cache value for rowcounter

["Jean-Daniel Cryans (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140746#comment-13140746 ] 

Jean-Daniel Cryans commented on HBASE-4702:
-------------------------------------------

bq. Trying to set the default cache size but there is no knob to tune it.

Use -Dhbase.client.scanner.caching=x on the command line or set it in your hbase-site.xml
                
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>         Attachments: 4702.txt
>
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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