redis叢集及java的實現

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根據redis安裝的第一個redis開始的

1.在redis.conf的目錄下建立redis-cluster目錄 mkdir redis-cluster

2.進入redis-cluster ,建立幾個叢集6001-6006

mkdir 6001   mkdir 6001  mkdir 6003   mkdir 6004   mkdir 6005  mkdir 6006

3.然後再建立data包

mkdir -p 6001/data 6002/data 6003/data 6004/data 6005/data 6006/data

4.複製redis.conf,到6001-6006裡面去 

cp redis.conf ./redis-cluster/6001 ....cp redis.conf ./redis-cluster/6006

5.修改每個redis.conf,把6001改成相應連接埠

port 6001(每個節點的連接埠號碼)daemonize yesbind 192.168.119.131(綁定當前機器 IP)dir /usr/local/redis-cluster/6001/data/(資料檔案存放位置)pidfile /var/run/redis_6001.pid(pid 6001和port要對應)cluster-enabled yes(啟動叢集模式)cluster-config-file nodes6001.conf(6001和port要對應)cluster-node-timeout 15000appendonly yes

全部修改:%s/6001/6002/g

6.查看啟動是否成功  ps -el | grep redis

7.由於 Redis 叢集需要使用 ruby 命令,所以我們需要安裝 ruby 和相關介面

yum install rubyyum install rubygemsgem install redis 

8. 192.168.31.245 是虛擬機器地址   7000是指連接埠號碼

redis-trib.rb  create  --replicas  1  192.168.31.245:7000 192.168.31.245:7001  192.168.31.245:7002 192.168.31.210:7003  192.168.31.210:7004  192.168.31.210:7005

然後再啟動,叢集就算完成,注意redis要在3.0.0版本以後才能用,

java串連redis叢集

public static void main(String[] args) {    JedisPoolConfig poolConfig = new JedisPoolConfig();    // 最大串連數    poolConfig.setMaxTotal(1);    // 最大空閑數    poolConfig.setMaxIdle(1);    // 最大允許等待時間,如果超過這個時間還未擷取到串連,則會報JedisException異常:    // Could not get a resource from the pool    poolConfig.setMaxWaitMillis(1000);    Set<HostAndPort> nodes = new LinkedHashSet<HostAndPort>();    nodes.add(new HostAndPort("192.168.83.128", 6379));    nodes.add(new HostAndPort("192.168.83.128", 6380));    nodes.add(new HostAndPort("192.168.83.128", 6381));    nodes.add(new HostAndPort("192.168.83.128", 6382));    nodes.add(new HostAndPort("192.168.83.128", 6383));    nodes.add(new HostAndPort("192.168.83.128", 6384));    JedisCluster cluster = new JedisCluster(nodes, poolConfig);    String name = cluster.get("name");    System.out.println(name);    cluster.set("age", "18");    System.out.println(cluster.get("age"));    try {        cluster.close();    } catch (IOException e) {        e.printStackTrace();    }}

spring 配置redis叢集

<context:property-placeholder ignore-unresolvable="true" location="classpath:yonyou.properties" />        <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">        <property name="maxTotal" value="1000"/>         <property name="maxIdle" value="10"/>         <property name="minIdle" value="1"/>        <property name="maxWaitMillis" value="30000"/>         <property name="testOnBorrow" value="true"/>         <property name="testOnReturn" value="true"/>         <property name="testWhileIdle" value="true"/>        <!-- <property name="testWhileIdle" value="true"/> -->    </bean>           <bean id="shardedJedisPool" class="redis.clients.jedis.ShardedJedisPool" destroy-method="destroy">        <constructor-arg ref="jedisPoolConfig"/>         <constructor-arg>      <!--如果以後需要擴充叢集,只需要複製一份redis,修改連接埠,然後在這裡配置即可-->            <list>             <bean class="redis.clients.jedis.JedisShardInfo">                 <constructor-arg index="0" value="127.0.0.1"/>                <constructor-arg index="1" value="6379"/>                <constructor-arg index="2" value="instance:01"/>            </bean>            <bean class="redis.clients.jedis.JedisShardInfo">                <constructor-arg index="0" value="127.0.0.1"/>                <constructor-arg index="1" value="6380"/>                <constructor-arg index="2" value="instance:02"/>            </bean>             <bean class="redis.clients.jedis.JedisShardInfo">                <constructor-arg index="0" value="127.0.0.1"/>                <constructor-arg index="1" value="6381"/>                <constructor-arg index="2" value="instance:03"/>            </bean>            </list>        </constructor-arg>        </bean>     <!--java幫我們同步sentinel的資訊,將主從資訊同步到用戶端來-->   <bean class="redis.clients.jedis.JedisSentinelPool">        <constructor-arg index="0" value="mymaster"/>        <constructor-arg index="1">            <set>                <value>127.0.0.1:26379</value>            </set>        </constructor-arg>        <constructor-arg index="2" ref="jedisPoolConfig"/>    </bean>

  

redis叢集及java的實現

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