redis笔记_狂神 redis

1.String

Set get getset exists append strlen 
incr decr incrby decrby 
getrange setrange
setex ttl setnx
mset mget msetnx
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2.List

lpush rpush lrange
lpop rpop lindex
llen lrem ltrim rpoplpush
lset linsert
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3.Set

sadd smembers sismember
scard srem srandmember
spop smove
Sdiff sinter sunion
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4.Hash

hset hget hmset hmget hgetall
hdel hlen hexists
hkeys hvals
hincrby hsetnx
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5.Zset

zadd zrange zrem zcard zcount
zrangebyscore zrevrange
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6.Geospatial

geoadd geopos geodist geohash georadius georadiusbymember
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7.Hyperloglog

pfadd pfmerge pfcount
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8.Bitmap

setbit getbit bitcount
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9.事务

multi discard exec
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10.乐观锁

watch unwatch
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11.Spring整合

<dependency>
	<groupId>redis.clients</groupId>
	<artifactId>jedis</artifactId>
	<version>3.2.0</version>
</dependency>

Jedis jedis = new Jedis("127.0.0.1", 6379)
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12.Springboot整合

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

RedisTemplate
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13.持久化

rdb (Redis DataBase)
aof (Append only File)
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14.发布订阅

SUBSCRIBE
PUBLISH
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15.主从复制

SLAVEOF host port
SLAVEOF no one
INFO replication
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16.哨兵模式

#sentinel.conf
sentinel monitor redis 127.0.0.1 6370 1
#启动哨兵
redis-sentinel sentinel.conf
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17.高可用问题
缓存穿透：布隆过滤器 缓存空对象
缓存击穿：热点数据永不过期 互斥锁
缓存雪崩：redis高可用 限流降级 数据预热
18.MISCONF Redis is configured to save RDB snapshots

config set stop-writes-on-bgsave-error no
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狂神Redis视频地址 https://www.bilibili.com/video/BV1S54y1R7SB
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