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Alex Araujo commented on CASSANDRA-2967:
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Are you sure that it's {{System.gc}}? I thought RMI had a reference counting
based "Distributed Garbage Collector" that invokes a {{clean}} method just for
remote objects.
Also, AFAIK, starting a {{JMXConnectorServer}} from a dynamically loaded
javaagent is the same as starting one from compiled code in an application
(i.e., the same DGC behavior applies to the JVM running the server regardless
of how it's started). If you don't notice a GC impact when running your
JmxProxy, chances are the built-in {{JMXConnectorServer}} code will not have a
noticeable impact as well.
Nevertheless, I think this warrants additional testing to verify my
assumptions. I'll post my results when I get a chance to test this.
> 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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