Redis

Redis is an in-memory database that persist on disk. The data model is key-value,
but many different kind of values are supported: String, Lists, Sets, Sorted Set,
Hashes, HyperLogLog, Bitmaps.http://redis.io

Install

• Download, extract and compile Redis with:
  $ wget http://download.redis.io/releases/redis-3.0.5.tar.gz
  $ tar xzf redis-3.0.5.tar.gz
  $ cd redis-3.0.5
  $ make

Use

• Playing with Redis

  % cd src
  % ./redis-cli
  redis> ping
  PONG
  redis> set foo bar
  OK
  redis> get foo
  “bar”
  redis> incr mycounter
  (integer) 1
  redis> incr mycounter
  (integer) 2
  redis>

Analyze

• size of source code, 1.3MB
• total lines of code, 58185
• allocate double memory size when append string

Reference

• redis
• redis on github
• redis book
• redis book source
• Redis 命令参考
• 带有详细注释的 Redis 2.6 源码
• 关于Redis的常识