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https://issues.apache.org/jira/browse/CASSANDRA-19509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17832822#comment-17832822
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Brandon Williams commented on CASSANDRA-19509:
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Since there are tradeoffs with any of the options, we could make this
configurable, however I think we need to demonstrate there are significant
enough effects to the system as a whole (not just microbenchmarks) to justify
any new alternative first.
> Consider using XOR filters or Ribbon filters instead of bloom filters
> ---------------------------------------------------------------------
>
> Key: CASSANDRA-19509
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19509
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Other
> Reporter: Vladimir Sitnikov
> Priority: Normal
> Fix For: 5.x
>
>
> See
> https://lemire.me/blog/2019/12/19/xor-filters-faster-and-smaller-than-bloom-filters/
> It seems to use less memory (1.23 vs 1.44) for the same false-positive rate
> at a cost of immutability.
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