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From "Brandon Williams (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3497) BloomFilter FP ratio should be configurable or size-restricted some other way
Date Tue, 15 Nov 2011 22:39:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150851#comment-13150851
] 

Brandon Williams commented on CASSANDRA-3497:
---------------------------------------------

Perhaps as a strategy_option?
                
> BloomFilter FP ratio should be configurable or size-restricted some other way
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-3497
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3497
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Brandon Williams
>            Priority: Minor
>
> When you have a live dc and purely analytical dc, in many situations you can have less
nodes on the analytical side, but end up getting restricted by having the BloomFilters in-memory,
even though you have absolutely no use for them.  It would be nice if you could reduce this
memory requirement by tuning the desired FP ratio, or even just disabling them altogether.

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