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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2014/08/14 12:00:22 UTC

[jira] [Resolved] (CASSANDRA-6780) Memtable OffHeap GC Statistics

     [ https://issues.apache.org/jira/browse/CASSANDRA-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedict resolved CASSANDRA-6780.
---------------------------------

    Resolution: Later

Since offheap GC has been postponed indefinitely, this ticket should also be closed to revisit later.

> Memtable OffHeap GC Statistics
> ------------------------------
>
>                 Key: CASSANDRA-6780
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6780
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Benedict
>            Priority: Minor
>
> As mentioned in CASSANDRA-6689, it would be nice to expose via JMX some statistics on GC behaviour, instead of just optionally debug logging it (and maybe expand to cover some more things):
> - Time spent in GC
> - Amount of memory reclaimed
> - Number of collections (per CFS?), and average reclaimed per collection



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