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https://issues.apache.org/jira/browse/HBASE-19722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488250#comment-16488250
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Andrew Purtell edited comment on HBASE-19722 at 5/24/18 12:47 AM:
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Thanks for the updates to the patch, it looks good and we could commit it.
bq. I believe it makes sense to implement it. I will try to implement a
version based on Lossy counting TopK algrithm.
That sounds awesome [~xucang] . Indeed would be an impressive contribution.
I've not tried to dynamically unregister counter metrics so can't advise if
that is possible. First thing to check.
was (Author: apurtell):
Thanks for the updates to the patch, it looks good and we could commit it.
bq. I believe it makes sense to implement it. I will try to implement a
version based on Lossy counting TopK algrithm.
That sounds awesome [~xucang] . Indeed would be an impressive contribution
> Implement a meta query statistics metrics source
> ------------------------------------------------
>
> Key: HBASE-19722
> URL: https://issues.apache.org/jira/browse/HBASE-19722
> Project: HBase
> Issue Type: Sub-task
> Reporter: Andrew Purtell
> Assignee: Xu Cang
> Priority: Major
> Attachments: HBASE-19722.branch-1.v001.patch,
> HBASE-19722.master.010.patch, HBASE-19722.master.011.patch,
> HBASE-19722.master.012.patch
>
>
> Implement a meta query statistics metrics source, created whenever a
> regionserver starts hosting meta, removed when meta hosting moves. Provide
> views on top tables by request counts, top meta rowkeys by request count, top
> clients making requests by their hostname.
> Can be implemented as a coprocessor.
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