[jira] Commented: (CASSANDRA-1641) auto-guessed memtable sizes are too high

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

    [ https://issues.apache.org/jira/browse/CASSANDRA-1641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12923525#action_12923525 ] 

Brandon Williams commented on CASSANDRA-1641:
---------------------------------------------

+1

> auto-guessed memtable sizes are too high
> ----------------------------------------
>
>                 Key: CASSANDRA-1641
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1641
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7 beta 2
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>             Fix For: 0.7.0
>
>         Attachments: 1641.txt
>
>
> I've seen two cases now of the memtable sizes being too large, causing OOMing.  Too-small memtables hurt performance, but too-large hurts worse when you start GC storming.

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