Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@cassandra.apache.org
Message-ID: <20295791.107061295620667472.JavaMail.jira@thor>
Date: Fri, 21 Jan 2011 09:37:47 -0500 (EST)
From: "Jonathan Ellis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Issue Comment Edited: (CASSANDRA-1968) Increase JVM young
 generation size
In-Reply-To: <20830601.295681294781808006.JavaMail.jira@thor>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/CASSANDRA-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12984752#action_12984752 ] 

Jonathan Ellis edited comment on CASSANDRA-1968 at 1/21/11 9:37 AM:
--------------------------------------------------------------------

Young gen collection always compacts (part of the reason it's a STW phase).

      was (Author: jbellis):
    Young gen compaction always compacts (part of the reason it's a STW phase).
  
> Increase JVM young generation size
> ----------------------------------
>
>                 Key: CASSANDRA-1968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1968
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 0.7.0
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>             Fix For: 0.7.1
>
>         Attachments: 1968.txt, 1968_v2.txt
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Increasing the young generation size has a profound effect on performance and cpu utilization.  We should set it explicitly.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.