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From "Joshua McKenzie (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default
Date Wed, 27 May 2015 17:21:24 GMT


Joshua McKenzie commented on CASSANDRA-7486:

Sanity check on local laptop on a variety of workloads looks comparable between CMS and G1,
slight edge to CMS but I'm on a sub 8G heap so that's to be expected.

Couple of spelling nits in comments in conf:
misspelled "effecitve"
vice versa, not visa-versa

Haven't tested yet on CI as I have a dtest going I don't want to mess with but I'm comfortable
moving forward w/the results from testing locally.

> Migrate to G1GC by default
> --------------------------
>                 Key: CASSANDRA-7486
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Config
>            Reporter: Jonathan Ellis
>            Assignee: Albert P Tobey
>             Fix For: 3.0 beta 1
> See
> 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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