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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8714) row-cache: use preloaded jemalloc w/ Unsafe
Date Tue, 24 Feb 2015 12:36:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334832#comment-14334832
] 

Robert Stupp commented on CASSANDRA-8714:
-----------------------------------------

[~aweisberg] good catch with the JNI roundtrip. JMH result are pretty obvious: 16 ops/µs
for {{Native.getByteBuffer}}, 12000 ops/µs for the {{Unsafe}} variant. I'll revert that thing.

> row-cache: use preloaded jemalloc w/ Unsafe
> -------------------------------------------
>
>                 Key: CASSANDRA-8714
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8714
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Robert Stupp
>            Assignee: Robert Stupp
>             Fix For: 3.0
>
>         Attachments: 8714-2.txt, 8714-3.txt, 8714.txt
>
>
> Using jemalloc via Java's {{Unsafe}} is a better alternative on Linux than using jemalloc
via JNA.



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