[jira] [Commented] (CASSANDRA-5159) Expose droppable tombstone ratio stats over JMX

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554844#comment-13554844 ] 

Jonathan Ellis commented on CASSANDRA-5159:
-------------------------------------------

Dave, can you review?
                
> Expose droppable tombstone ratio stats over JMX
> -----------------------------------------------
>
>                 Key: CASSANDRA-5159
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5159
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>    Affects Versions: 1.2.0
>            Reporter: Marcus Eriksson
>            Assignee: Marcus Eriksson
>            Priority: Minor
>             Fix For: 1.2.1
>
>         Attachments: 0001-Expose-the-ratio-of-droppable-tombstones-over-JMX.patch
>
>
> Could be nice to be able to jmx-monitor the tombstone histogram collected during compactions to see how many gc-able tombstones there are left due to the row existing in other sstables

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