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https://issues.apache.org/jira/browse/HBASE-19722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488223#comment-16488223
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Xu Cang edited comment on HBASE-19722 at 5/23/18 11:56 PM:
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I thought comments regarding TopK client metrics again. I believe it makes
sense to implement it. I will try to implement a version based on Lossy
counting TopK algorithm.
([https://micvog.files.wordpress.com/2015/06/approximate_freq_count_over_data_streams_vldb_2002.pdf)]
was (Author: xucang):
I thought comments regarding TopK client metrics again. I believe it makes
sense to implement it. I will try to implement a version based on Lossy
counting TopK algrithm.
([https://micvog.files.wordpress.com/2015/06/approximate_freq_count_over_data_streams_vldb_2002.pdf)]
> 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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