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https://issues.apache.org/jira/browse/CASSANDRA-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174396#comment-13174396
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Jonathan Ellis commented on CASSANDRA-3497:
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Let's just go with a per-CF option. Brandon's right that ideally we'd like to
configure it differently (ideally leaving them out entirely) in analytical DCs
but I don't want to invent a totally new concept in 1.0.x, and having it per-CF
(which we get via schema) is more important than having it per-DC (which we get
with strategy_options).
> 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
> Assignee: Yuki Morishita
> Priority: Minor
> Fix For: 1.0.7
>
>
> 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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