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https://issues.apache.org/jira/browse/CASSANDRA-14883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837144#comment-16837144
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Alexandre Vermeerbergen commented on CASSANDRA-14883:
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[~bdeggleston], no I do not have this message - and actually sorry my
production install is still in 2.2.x and not yet in 3.x.
When starting cassandra 2.2.15 (having replaced jamm-0.3.0.jar by
jamm-0.3.3.jar in lib/) with latest AdoptOpenJDK 8 (update 212) with OpenJ9 on
Linux, I get exactly the message quoted in current JIRA:
{{WARN 10:13:34 Non-Oracle JVM detected. Some features, such as immediate
unmap of compacted SSTables, may not work as intended}}
So again, should I fill a Jira for dependency upgrade of jamm to 0.3.3 or is
current Jira enought to track both this dependency update and the rewording or
removal of the "superflous message"?
Kind regards,
Alexandre Vermeerbergen
> Let Cassandra support the new JVM, Eclipse Openj9.
> --------------------------------------------------
>
> Key: CASSANDRA-14883
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14883
> Project: Cassandra
> Issue Type: Improvement
> Components: Packaging
> Environment: jdk8u192-b12_openj9-0.11.0
> cassandra 4.0.0_beta_20181109_build
> Reporter: Lee Sangboo
> Priority: Normal
> Fix For: 4.0.x
>
> Attachments: jamm-0.3.2.jar, jamm.zip
>
>
> Cassandra does not currently support the new JVM, Eclipse Openj9. In internal
> testing, Openj9 outperforms Hotspot. I have deployed a modified jamm library
> that has a problem with the current startup, but when I started Cassandra, I
> got a log message saying "Non-Oracle JVM detected." Some features, such as
> unimported compact SSTables, may not work as intended "If there is no
> problem, I would also like to delete the above message.
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