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https://issues.apache.org/jira/browse/CASSANDRA-2967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151852#comment-13151852
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Vijay commented on CASSANDRA-2967:
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Plz note: 
http://download.oracle.com/javase/6/docs/technotes/guides/management/agent.html 
enables the RMI server, which will in-turn do System.gc every 60 min. I have 
tried it before and reverted because of the same. 
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6200091 you might want to 
use DisableExplicitGC gc option or you might want to increase the 
-Dsun.rmi.dgc.server.gcInterval=600000 both of which might be kind of dangerous 
depnds on how people use it.

                
> Only bind JMX to the same IP address that is being used in Cassandra
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-2967
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2967
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 0.8.2
>            Reporter: Joaquin Casares
>            Assignee: Alex Araujo
>            Priority: Minor
>              Labels: lhf
>         Attachments: cassandra-0.8-2967.txt, cassandra-1.0-2967-v2.txt, 
> cassandra-1.0-2967-v3.txt, cassandra-1.0-2967-v4.txt
>
>
> The setup is 5 nodes in each data center are all running on one physical test 
> machine and even though the repair was run against the correct IP the wrong 
> JMX port was used. As a result, instead of repairing all 5 nodes I was 
> repairing the same node 5 times.
> It would be nice if Cassandra's JMX would bind to only the IP address on 
> which its thrift/RPC services are listening on instead of binding to all IP's 
> on the box.

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