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Dmitry Konstantinov edited comment on CASSANDRA-19509 at 4/1/24 9:57 AM: ------------------------------------------------------------------------- A related discussion: https://news.ycombinator.com/item?id=21840821 As I got XOR filters consume more CPU compared to Bloom filters. As an alternative Ribbon filters can be considered: * https://engineering.fb.com/2021/07/09/core-infra/ribbon-filter/ * https://rocksdb.org/blog/2021/12/29/ribbon-filter.html was (Author: dnk): As I got XOR filters consume more CPU compared to Bloom filters, as alternative Ribbon filters can be considered: * https://engineering.fb.com/2021/07/09/core-infra/ribbon-filter/ * https://rocksdb.org/blog/2021/12/29/ribbon-filter.html > Consider using XOR filters instead of bloom filters > --------------------------------------------------- > > Key: CASSANDRA-19509 > URL: https://issues.apache.org/jira/browse/CASSANDRA-19509 > Project: Cassandra > Issue Type: Improvement > Reporter: Vladimir Sitnikov > Priority: Normal > > 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. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org