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From "Albert P Tobey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default
Date Tue, 26 May 2015 20:55:58 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14559853#comment-14559853
] 

Albert P Tobey commented on CASSANDRA-7486:
-------------------------------------------

Yeah. I started on the Powershell scripts but figured I should talk to someone more knowledgeable
on Windows before making the change.

If you want a straight port I can throw that together and do a quick test on my local Windows
machine.

> Migrate to G1GC by default
> --------------------------
>
>                 Key: CASSANDRA-7486
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7486
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Config
>            Reporter: Jonathan Ellis
>            Assignee: Albert P Tobey
>             Fix For: 3.0 beta 1
>
>
> See http://www.slideshare.net/MonicaBeckwith/garbage-first-garbage-collector-g1-7486gc-migration-to-expectations-and-advanced-tuning
and https://twitter.com/rbranson/status/482113561431265281
> May want to default 2.1 to G1.
> 2.1 is a different animal from 2.0 after moving most of memtables off heap.  Suspect
this will help G1 even more than CMS.  (NB this is off by default but needs to be part of
the test.)



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