[jira] [Updated] (CASSANDRA-17408) Humongous Allocations after upgrading to 4.0

["Brandon Williams (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-17408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Williams updated CASSANDRA-17408:
-----------------------------------------
    Resolution: Not A Problem
        Status: Resolved  (was: Open)

Closing as the only significant thing I discovered here is that older Jolokia versions will _cause_ Humongous Allocations when run on 4.0+, but upgrading fixes that.

> Humongous Allocations after upgrading to 4.0
> --------------------------------------------
>
>                 Key: CASSANDRA-17408
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17408
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Build
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 4.0.x, 4.x
>
>         Attachments: 3.11-gc.log.0.current, 311-10M-read.html, 311-10M-write.html, 4.0-gc.log.0.current, 40-10M-read.html, 40-10M-write.html
>
>
> I have seen reports of increased Humongous Allocations after upgrading to 4.0 when using G1.  This is extremely detrimental to how G1 operates and seriously affects GC pauses.



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