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Posted to commits@cassandra.apache.org by "Steven Lowenthal (JIRA)" <ji...@apache.org> on 2013/10/13 03:51:41 UTC

[jira] [Commented] (CASSANDRA-4366) add UseCondCardMark XX jvm settings on jdk 1.7

    [ https://issues.apache.org/jira/browse/CASSANDRA-4366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13793557#comment-13793557 ] 

Steven Lowenthal commented on CASSANDRA-4366:
---------------------------------------------

I'm getting an error that the UseCondCardMark  option is invalid on JDK 7u40.   

> add UseCondCardMark XX jvm settings on jdk 1.7
> ----------------------------------------------
>
>                 Key: CASSANDRA-4366
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4366
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Packaging
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Dave Brosius
>            Assignee: Dave Brosius
>            Priority: Trivial
>             Fix For: 1.2.2
>
>         Attachments: 4366.txt
>
>
> found by jbellis
> adding jvm extension setting UseCondCardMark as defined here
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7029167
> for better lock handling especially on hotspot with multicore processors.



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