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From "Yu Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15163) Add sampling code and metrics for get/scan/multi/mutate count separately
Date Wed, 27 Jan 2016 06:01:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118707#comment-15118707
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Yu Li commented on HBASE-15163:
-------------------------------

Thanks for the detailed clarification Sean!

bq. this is YETUS-280. you can build with this change in place if you go to the precommit
job and use...
Don't have account to our jenkins... But good to know that this is a known issue and not problem
of the patch.

bq. However this patch is contributing to making the problem worse by taking the method from
413 lines to 414 lines
Yes... but the added line is necessary for this JIRA, maybe some refactor in need for the
whole *scan* method, but not able to do it here...

> Add sampling code and metrics for get/scan/multi/mutate count separately
> ------------------------------------------------------------------------
>
>                 Key: HBASE-15163
>                 URL: https://issues.apache.org/jira/browse/HBASE-15163
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Yu Li
>            Assignee: Yu Li
>         Attachments: DifferentRequestQPS.png, HBASE-15163.patch, HBASE-15163_v2.patch,
HBASE-15163_v3.patch, HBASE-15163_v3.patch
>
>
> This way we could see QPS of different kinds of requests, to better analyze what's causing
hot spot in system



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