redis知识点记忆速查

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  • Redis -> REmote DIctionary Server

  • Redis三个特点

    • 支持数据持久化
    • 支持string，list，set，zset，hash
    • 支持master-slave模式数据备份

  • 启动redis

    1
    $ redis-server &

  • 查看redis是否启动

    1
    $ ps -ef | grep redis

  • 关闭redis

    1
    redis-cli> shutdown

  • 连接redis

    1
    $ redis-cli -h host -p port -a password

  • redis配置

    • 修改配置的两种方式
      • 修改redis.conf
      • 通过redis-cli config get config set

  • redis数据类型

    • string
      • 命令 set get
    • hash
      • 命令 hmset hget
    • list
      • 命令 lpush lrange
    • set
      • 命令 sadd smembers
    • zset
      • 命令 zadd key score member
  • redis键命令
    • DEL key
    • DUMP key
    • EXISTS key
    • EXPIRE key seconds
    • EXPIREAT key timestamp
    • PEXPIRE key milliseconds
    • PEXPIREAT key milliseconds-timestamp
    • KEYS pattern
    • MOVE key db
    • PTTL key
    • TTL key
    • RANDOMKEY
    • RENAME key newkey
    • RENAMENX key newkey
    • TYPE key
  • string命令
    • SET key value
    • GET key
    • GETRANGE key start end
    • GETSET key value
    • GETBIT key offset
    • MGET key [key2..]
    • SETBIT key offset value
    • SETEX key seconds value
    • SETNX key value
    • SETRANGE key offset value
    • STRLEN key
    • MSET key value [key value …]
    • MSETNX key value [key value …]
    • PSETEX key milliseconds value
    • INCR key
    • INCRBY key increment
    • INCRBYFLOAT key increment
    • DECR key
    • DECRBY key decrement
    • APPEND key value
  • hash命令
    • HDEL key field1 [field2]
    • HEXISTS key field
    • HGET key field
    • HGETALL key
    • HINCRBY key field increment
    • HINCRBYFLOAT key field increment
    • HKEYS key
    • HLEN key
    • HMGET key field1 [field2..]
    • HMSET key field1 value1 [field2 value2 …]
    • HSET key field value
    • HSETNX key field value
    • HVALS key
    • HSCAN key cursor [MATCH pattern] [COUNT count]
  • list命令
    • BLPOP key1 [key2 ] timeout
    • BRPOP key1 [key2 ] timeout
    • BRPOPLPUSH source destination timeout
    • LINDEX key index
    • LINSERT key BEFORE|AFTER pivot value
    • LLEN key
    • LPOP key
    • LPUSH key value [value2 ]
    • LPUSHX key value
    • LRANGE key start stop
    • LREM key count value
    • LSET key index value
    • LTRIM key start stop
    • RPOP key
    • RPOPLPUSH source destination
    • RPUSH key value [value2 ]
    • RPUSHX key value
  • set命令
    • SADD key member1 [member2 …]
    • SCARD key
    • SDIFF key1 [key2 …]
    • SDIFFSTORE destination key1 [key2 …]
    • SINTER key1 [key2 …]
    • SINTERSTORE destination key1 [key2 …]
    • SISMEMBER key member
    • SMEMBERS key
    • SMOVE source destination memeber
    • SPOP key
    • SRANDMEMBER key [count]
    • SREM key member1 [member2 …]
    • SUNION key1 [key2 …]
    • SUNIONSTORE destination key1 [key2 …]
    • SSCAN key cursor [MATCH pattern] [COUNT count]
  • zset命令
    • ZADD key score1 member1 [score2 memeber2 …]
    • ZCARD key
    • ZCOUNT key min max
    • ZINCRBY key increment member