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https://issues.apache.org/jira/browse/CASSANDRA-7247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14001741#comment-14001741
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Chris Lohfink commented on CASSANDRA-7247:
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Id like to rework this I think to use the trace executor
> Provide top ten most frequent keys per column family
> ----------------------------------------------------
>
> Key: CASSANDRA-7247
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7247
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Chris Lohfink
> Assignee: Chris Lohfink
> Priority: Minor
> Attachments: patch.diff
>
>
> Since already have the nice addthis stream library, can use it to keep track
> of most frequent DecoratedKeys that come through the system using
> StreamSummaries ([nice
> explaination|http://boundary.com/blog/2013/05/14/approximate-heavy-hitters-the-spacesaving-algorithm/]).
> Then provide a new metric to access them via JMX.
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