1、cluster相对于哨兵模式是去中心化的,它的每个节点都存储了其它集群的信息,因此每个节点都可以做为集群的中心,容错能力强,具有更高的可用性和在线扩容能力。
2、简单的说,他就是将key通过hash算法,然后进行取模,将不同的key存储到对应的节点上,每个节点又可以有自己的从节点,也有一些局限性:
mget,mset 命令不支持(客户端可能提供了兼容的操作方法,但不建议使用)
pipeline 管道操作去掉,改成单次操作
watch,multi,exec 事务操作过程中,要保证只能对同一个key操作
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!-- jedis pool通用配置 --> <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"> <property name="maxTotal" value="${redis.maxTotal}" /> <property name="maxIdle" value="${redis.maxIdle}" /> <property name="minIdle" value="${redis.minIdle}" /> <property name="maxWaitMillis" value="${redis.maxWait}" /> <property name="testOnBorrow" value="${redis.testOnBorrow}" /> <property name="testOnReturn" value="${redis.testOnReturn}" /> <property name="testWhileIdle" value="${redis.testWhileIdle}" /> <property name="timeBetweenEvictionRunsMillis" value="${redis.timeBetweenEvictionRunsMillis}" /> </bean> <bean id="mapPropertySource" class="org.springframework.core.env.MapPropertySource"> <constructor-arg> <value type="java.lang.String">redis.propertis</value> </constructor-arg> <constructor-arg> <map> <entry key="spring.redis.cluster.nodes" value="${spring.redis.cluster.nodes}"></entry> <entry key="spring.redis.cluster.max-redirects" value="${spring.redis.cluster.max-redirects}"></entry> </map> </constructor-arg> </bean> <bean id="redisClusterConfiguration" class="org.springframework.data.redis.connection.RedisClusterConfiguration"> <constructor-arg name="propertySource" ref="mapPropertySource" /> </bean> <bean id="redisClusterConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"> <constructor-arg ref="redisClusterConfiguration" /> <constructor-arg ref="jedisPoolConfig" /> <property name="password" value="${spring.redis.cluster.password}" /> <property name="timeout" value="${redis.timeout}" /> </bean> <bean id="stringRedisSerializer" class="org.springframework.data.redis.serializer.StringRedisSerializer" /> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate"> <property name="connectionFactory" ref="redisClusterConnectionFactory" /> <property name="keySerializer" ref="stringRedisSerializer" /> <property name="valueSerializer" ref="stringRedisSerializer" /> </bean> </beans> ---来自腾讯云社区的---stys35
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