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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/11/27 08:00:41 UTC

[jira] [Issue Comment Deleted] (HBASE-10047) postScannerFilterRow consumes a lot of CPU in tall table scans

     [ https://issues.apache.org/jira/browse/HBASE-10047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated HBASE-10047:
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    Comment: was deleted

(was: [~lhofhansi]
Can you share which tool you used for your profiling? I am also has an REMOTE Application consumed a  lot of CPU, I want to profile this App remotely.)

> postScannerFilterRow consumes a lot of CPU in tall table scans
> --------------------------------------------------------------
>
>                 Key: HBASE-10047
>                 URL: https://issues.apache.org/jira/browse/HBASE-10047
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>         Attachments: postScannerFilterRow.png
>
>
> Continuing my profiling quest, I find that in scanning tall table (and filtering everything on the server) a quarter of the time is now spent in the postScannerFilterRow coprocessor hook.



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