A simple in-memory key-value database

How to run

  cd cmd
  go run main.go
  # on another terminal
  redis-cli -p 8081

Supported features

• Compatible with Redis CLI
• Single-threaded architecture
• Multiplexing IO for Linux using epoll
• RESP protocol
• Graceful shutdown
• Simple eviction mechanism
• Commands:
  • PING
  • SET
  • GET
  • TTL
  • DEL
  • EXPIRE
  • INCR
  • ZADD
  • ZRANK
  • ZREM
  • ZSCORE
  • ZCARD
  • GEOADD
  • GEODIST
  • GEOHASH

WIP

• Geohash commands:
  • GEOADD
  • GEODIST
  • GEOHASH
  • GEOSEARCH

Todo

• Bloom filter commands
• Hyperloglog
• Count-min sketch
• Morris counter
• Cuckoo filter
• Approx LRU eviction