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https://issues.apache.org/jira/browse/CASSANDRA-5508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13672319#comment-13672319
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Jonathan Ellis commented on CASSANDRA-5508:
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+1
> Expose whether jna is enabled and memory is locked via JMX
> ----------------------------------------------------------
>
> Key: CASSANDRA-5508
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5508
> Project: Cassandra
> Issue Type: Wish
> Reporter: Jeremy Hanna
> Assignee: Dave Brosius
> Priority: Trivial
> Fix For: 2.0
>
> Attachments: 5508.txt
>
>
> This may not be possible, but it would be very useful. Currently the only
> definitive way to determine whether JNA is enabled and that it's able to lock
> the memory it needs is to look at the startup log.
> It would be great if there was a way to store whether it is enabled so that
> jmx (or nodetool) could easily tell if JNA was enabled and whether it was
> able to lock the memory.
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