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@KarthikSubbarao KarthikSubbarao released this 21 Mar 23:30
· 23 commits to 1.0 since this release
1.0.0-rc1
c184d72

Valkey Bloom 1.0.0 RC1 - Released Fri 21 Mar 2025

This is the first release candidate of valkey-bloom 1.0 that brings bloom filters as a new data type to Valkey and provides both scalable and non-scalable bloom filter variants. It is API compatible with the bloom filter command syntax used across popular Valkey client libraries.

API and Interface changes

  • Add the bloom filter module data type ("bloomfltr") which can handle RDB load, RDB save, free, copy, debug, defragmentation, AOF rewrite, and memory usage
  • Add the following bloom filter module commands: BF.ADD, BF.MADD, BF.EXISTS, BF.MEXISTS, BF.CARD, BF.INFO, BF.RESERVE, BF.INSERT, and BF.LOAD
  • Add deterministic replication support where a bloom object creation on a primary is replicated with the same properties to create the same bloom filter on a replica
  • Create a new bloom filter specific ACL category (@bloom) and add this to all bloom filter module commands
  • Add two key space events: (1) item addition and (2) bloom filter creation
  • Add non-scaling and scaling support for bloom filters
  • Support configuring random seed / fixed seed mode on the newly created bloom objects
  • Add memory-usage limit per bloom object controlled through the bf.bloom-memory-usage-limit config
  • Support for BF.INSERT to allow specifying a custom seed for bloom object creation
  • Support for BF.INSERT to allow specifying a tightening ratio for bloom object creation
  • Add an INFO handler to add bloom filter module metrics around usage and module data type defragmentation
  • Add optional VALIDATESCALETO arg to BF.INSERT to allow users to validate if their bloom filter can reach the desired size through scale-outs
  • Support ERROR, TIGHTENING, and MAXSCALEDCAPACITY options in the BF.INFO command
  • Add a 8.0 feature flag (valkey_8_0) which can be used to build the module to be compatible with Valkey 8.0 servers

New configurations

  • Add support for the following configurations: bf.bloom-capacity, bf.bloom-expansion, bf.bloom-memory-usage-limit, bf.bloom-fp-rate, bf.bloom-tightening-ratio, bf.bloom-use-random-seed, and bf.bloom-defrag-enabled
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