Tags: redis/redis
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Fix defrag issues for stream defrag and HFE (#14323) This PR fixes three defrag issues. 1. Fix the issue that forget to update cgroup_ref_node when the consume group was reallocated. This crash was introduced by #14130 In this PR, when performing defragmentation on `s->cgroups` using `defragRadixTree()`, we no longer rely on the automatic data defragmentation of `defragRadixTree()`. Instead, we manually defragment the consumer group and then update its reference in `s->cgroups`. 2. Fix a use-after-free issue caused by updating dictionary keys after HFE key is reallocated. This issue was introduced by #13842 3. Fix the issue that forgot to be updated NextSegHdr->firstSeg when the first segment was reallocated. This issue was introduced by #13842 --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
KEYSIZES - Fix resolving key slot on modules (#14240) In cluster mode with modules, for a given key, the slot resolution for the KEYSIZES histogram update was incorrect. As a result, the histogram might gracefully ignored those keys instead or update the wrong slot histogram.
Redis 8.2.0 GA (#14250) This is the General Availability release of Redis Open Source 8.2. ### Major changes compared to 8.0 - Streams - new commands: `XDELEX` and `XACKDEL`; extension to `XADD` and `XTRIM` - Bitmap - `BITOP`: new operators: `DIFF`, `DIFF1`, `ANDOR`, and `ONE` - Query Engine - new SVS-VAMANA vector index type which supports vector compression - More than 15 performance and resource utilization improvements - New metrics: per-slot usage metrics, key size distributions for basic data types, and more ### Binary distributions - Alpine and Debian Docker images - https://hub.docker.com/_/redis - Install using snap - see https://github.com/redis/redis-snap - Install using brew - see https://github.com/redis/homebrew-redis - Install using RPM - see https://github.com/redis/redis-rpm - Install using Debian APT - see https://github.com/redis/redis-debian ### Operating systems we test Redis 8.2 on - Ubuntu 22.04 (Jammy Jellyfish), 24.04 (Noble Numbat) - Rocky Linux 8.10, 9.5 - AlmaLinux 8.10, 9.5 - Debian 12 (Bookworm) - macOS 13 (Ventura), 14 (Sonoma), 15 (Sequoia) ### Security fixes (compared to 8.2-RC1) - (CVE-2025-32023) Fix out-of-bounds write in `HyperLogLog` commands - (CVE-2025-48367) Retry accepting other connections even if the accepted connection reports an error ### New Features (compared to 8.2-RC1) - #14141 Keyspace notifications - new event types: - `OVERWRITTEN` - the value of a key is completely overwritten - `TYPE_CHANGED` - key type change ### Bug fixes (compared to 8.2-RC1) - #14162 Crash when using evport with I/O threads - #14163 `EVAL` crash when error table is empty - #14144 Vector sets - RDB format is not compatible with big endian machines - #14165 Endless client blocking for blocking commands - #14164 Prevent `CLIENT UNBLOCK` from unblocking `CLIENT PAUSE` - #14216 TTL was not removed by the `SET` command - #14224 `HINCRBYFLOAT` removes field expiration on replica ### Performance and resource utilization improvements (compared to 8.2-RC1) - #14200 Store iterators on stack instead of on heap - #14144 Vector set - improve RDB loading / RESTORE speed by storing the worst link info - #Q6430 More compression variants for the SVS-VAMANA vector index - #Q6535 `SHARD_K_RATIO` parameter - favor network latency over accuracy for KNN vector query in a Redis cluster (unstable feature) (MOD-10359) ### Modules API - #14051 `RedisModule_Get*`, `RedisModule_Set*` - allow modules to access Redis configurations - #14114 `RM_UnsubscribeFromKeyspaceEvents` - unregister a module from specific keyspace notifications
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