[jira] Updated: (CASSANDRA-2171) Record and expose flush rate per CF

["Alan Liang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Liang updated CASSANDRA-2171:
----------------------------------

    Attachment: expose_flush_rate_per_cf_patch.diff

Attached patch to record flush rate per CF. Exposed this rate through JMX.

> Record and expose flush rate per CF
> -----------------------------------
>
>                 Key: CASSANDRA-2171
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2171
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 0.8
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>             Fix For: 0.8
>
>         Attachments: expose_flush_rate_per_cf_patch.diff
>
>
> In order to automatically throttle compaction to some multiple of the flush rate, we need to record the flush rate across the system. Since this might be useful information on a per CF basis, this ticket will deal with recording the flush rate in the CFStore object, and exposing it via JMX.

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