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