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From "Quentin Conner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6410) gossip memory usage improvement
Date Wed, 04 Dec 2013 00:19:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838372#comment-13838372
] 

Quentin Conner commented on CASSANDRA-6410:
-------------------------------------------

Chris, the Heap memory usage numbers are from a single node.  No aggregation across the cluster.

> gossip memory usage improvement
> -------------------------------
>
>                 Key: CASSANDRA-6410
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6410
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Quentin Conner
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 2.0.4
>
>         Attachments: 6410-EnumMap.txt, gossip-intern.txt
>
>
> It looks to me that any given node will need ~2 MB of Java VM heap for each other node
in the ring.  This was observed with num_tokens=512 but still seems excessive.



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