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https://issues.apache.org/jira/browse/CASSANDRA-8477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis reassigned CASSANDRA-8477:
-----------------------------------------
Assignee: Sylvain Lebresne
Thanks for diagnosing that, Benedict. Assigning to Sylvain to determine
feasibility of improving RT behavior here. (I think his CQL refactor of the
engine has some RT changes already.)
> CMS GC can not recycle objects
> ------------------------------
>
> Key: CASSANDRA-8477
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8477
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: 2.1.1 or 2.1.2-SNAPSHOT(after CASSANDRA-8459 resolved)
> Reporter: Philo Yang
> Assignee: Sylvain Lebresne
> Attachments: cassandra.yaml, histo.txt, jstack.txt, log1.txt,
> log2.txt, system.log, system.log.2014-12-15_1226
>
>
> I have a trouble in my cluster that CMS full gc can not reduce the size of
> old gen. Days ago I post this problem to the maillist, people think it will
> be solved by tuning the gc setting, however it doesn't work for me.
> Then I saw a similar bug in CASSANDRA-8447, but [~benedict] think it is not
> related. With the jstack on
> https://gist.github.com/yangzhe1991/755ea2a10520be1fe59a, [~benedict] find a
> bug and resolved it in CASSANDRA-8459. So I build a latest version on 2.1
> branch and run the SNAPSHOT version on the nodes with gc trouble.
> However, there is still the gc issue. So I think opening a new tick and post
> more information is a good idea. Thanks for helping me.
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