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https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140746#comment-13140746
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Jean-Daniel Cryans commented on HBASE-4702:
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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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