[jira] [Comment Edited] (CASSANDRA-8714) row-cache: use preloaded jemalloc w/ Unsafe

["Robert Stupp (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-8714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322071#comment-14322071 ] 

Robert Stupp edited comment on CASSANDRA-8714 at 2/15/15 4:58 PM:
------------------------------------------------------------------

Tested changes in {{bin/cassandra}} to preload jemalloc on:
* OS X
* Debian Linux
* OpenSUSE
* CentOS

Also changed calls to {{Unsafe.allocateMemory}} to {{Native.malloc}} and simplified some code in {{MemoryUtil}}.

Also added new OHC version 0.3.3 that changes default allocation method to {{Native.malloc}}.


was (Author: snazy):
Tested changes in {{bin/cassandra}} to preload jemalloc on:
* OS X
* Debian Linux
* OpenSUSE
* CentOS
* CoreOS

Also changed calls to {{Unsafe.allocateMemory}} to {{Native.malloc}} and simplified some code in {{MemoryUtil}}.

Also added new OHC version 0.3.3 that changes default allocation method to {{Native.malloc}}.

> 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.txt
>
>
> Using jemalloc via Java's {{Unsafe}} is a better alternative on Linux than using jemalloc via JNA.



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