This thread collects open issues that are suitable for contributors who want to work on Apache Kvrocks.

We very much welcome anyone to claim the tasks and start contributing to Kvrocks. If you need any help during the contribution process, you can leave a message under the corresponding issue.

Good first issues

• High priority: Introduce subcommand as a first-class command abstraction #3517
• Support to build and run Kvrocks on FreeBSD #3128
• Add option to INFO to return a json payload #2302
• Allow to delete keys by the prefix #2628
• Add redis-benchmark to CI #884
• Metrics for namespace level #755

Redis compatibility

• High priority: Tracking: Support Redis ACL #3518
• High priority: Tracking Issues: support Cuckoo Filter data structure and commands #3123
• We may need to build a Redis command compatibility test for Kvrocks #3411
• [NEW] Add ENCODING subcommand aligned Redis #3073
• SRANDMEMBER returns a list from kvrocks when it returns a string on redis #2610
• Inconsistent behavior with Redis in BITFIELD GET command #2500
• Support more script flags in lua script shebang #2414
• Add support for flags parameter of redis.register_function #2133
• Add support of the DUMP with all data types #3319
• Tracking: Hash Field Expiration (HFE) implementation #3436

CI and reliability

• High priority: Flaky CI failures in proxy-based replication tests #3515
• Flaky test in WAIT command blocked indefinitely during test #3157
• Flaky test due to the data mismatch in kvrocks2redis consistency check #3153
• Too large allocation size in replication FetchMeta reported by TSan #3100
• Flaky test in TLS replication #1759

Cluster and replication

• migrate-type redis-command: complex-key sub-field migration produces MOVED <wrong-slot> #3498
• Implement CLUSTER FAILOVER [FORCE|TAKEOVER] for manual master swap #3496
• CLUSTERX SETNODES returns "Invalid cluster node port" when the bus port (default = client + 10000) is not reachable #3495
• Possible split brain on migration race condition #3147
• FeedSlaveThread uses blocking connection in libevent improperly #3113
• Error "Resource temporarily unavailable" occurs during slot migration by raw-key-value type. #3095
• Blocking commands may block permanently due to lost wakeup #2473
• kvrocks2redis can't sync flush commands  #2177

Performance and optimization

• Space efficient LCS using Hirschberg's algorithm #3314
• Enhance the implementation of Random Sample Keys in kvrocks #2144
• Avoid HnswIndex heavy construction because of mt19937 #2398
• should we start the compaction_checker_range thread if it's not configed.  #2305
• [Build] Add supports for build kvrocks with UBSAN #2297