[jira] Commented: (ZOOKEEPER-545) investigate use of realtime gc as the recommened default for server vm

["Patrick Hunt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800968#action_12800968 ] 

Patrick Hunt commented on ZOOKEEPER-545:
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I've had alot of luck recently using the latest 1.6.0 jvm (_17) along with CMS/incremental. 

Question is, what should we do, just update the docs or make changes in the source as well. For example  we could change
the tests to run with CMS/Incremental.


> investigate use of realtime gc as the recommened default for server vm
> ----------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-545
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-545
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: server
>            Reporter: Patrick Hunt
>            Priority: Critical
>             Fix For: 3.3.0
>
>
> We currently don't recommend that ppl use the realtime gc when running the server, we probably should.
> Before we do so we need to verify that it works.
> We should make it the default for all our tests.
> concurrent vs "g2" or whatever it's called (new in 1.6_15 or something?)
> Update all scripts to specify this option
> update documentation to include this option and add section in the dev/ops docs detailing it's benefits (in particular latency effects of gc)
> Also, -server option? any benefit for us to recommend this as well?

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