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From "Yuki Morishita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5078) save compaction merge counts in a system table
Date Thu, 05 Sep 2013 19:19:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13759336#comment-13759336
] 

Yuki Morishita commented on CASSANDRA-5078:
-------------------------------------------

Thanks for the update.
One more thing that worries me is we have a chance to have conflict on the entry, since we
can have same timestamp among compaction threads.
I suggest using just one timeuuid as primary key. Thoughts?
                
> save compaction merge counts in a system table
> ----------------------------------------------
>
>                 Key: CASSANDRA-5078
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5078
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Matthew F. Dennis
>            Assignee: lantao yan
>            Priority: Minor
>              Labels: lhf
>         Attachments: 5078-v3.txt, 5078-v4.txt, patch1.patch
>
>
> we should save the compaction merge stats from CASSANDRA-4894 in the system table and
probably expose them via JMX (and nodetool)

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