记得链接之前关闭防火墙,或者把本端口号添加到防火墙例外
[root@localhost-0723 bin]# service iptables stop -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 6379 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 6380 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7001 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7002 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7003 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7004 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7005 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 7006 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT ~ "/etc/sysconfig/iptables" 22L, 1079C 已写入 [root@localhost-0723 bin]# service iptables restart iptables:应用防火墙规则: [确定] [root@localhost-0723 bin]#
一,使用redis命令行客户端连接
[root@localhost redis-cluster]# ./redis1/redis-cli -p 7001 -c 127.0.0.1:7001> get a -> Redirected to slot [15495] located at 192.168.37.131:7003 (nil) 192.168.37.131:7003>
一定要加-c
参数,节点之间就可以互相跳转
二,使用jedis连接
2.1,创建JedisCluster类连接redis集群。
package com.pc.jedis.test; import java.util.HashSet; import java.util.Set; import redis.clients.jedis.HostAndPort; import redis.clients.jedis.JedisCluster; /** * Jedis集群测试 * * @author Switch * @data 2017年2月11日 * @version V1.0 */ public class JedisClusterTest { public static void main(String[] args) { // 创建并填充节点信息 Set<HostAndPort> nodes = new HashSet<>(); nodes.add(new HostAndPort("192.168.37.131", 7001)); nodes.add(new HostAndPort("192.168.37.131", 7002)); nodes.add(new HostAndPort("192.168.37.131", 7003)); nodes.add(new HostAndPort("192.168.37.131", 7004)); nodes.add(new HostAndPort("192.168.37.131", 7005)); nodes.add(new HostAndPort("192.168.37.131", 7006)); // 创建JedisCluster对象 JedisCluster jedisCluster = new JedisCluster(nodes); // 使用jedisCluster操作redis String key = "jedisCluster"; String setResult = jedisCluster.set(key, "hello redis!"); System.out.println(setResult); String getResult = jedisCluster.get(key); System.out.println(getResult); // 关闭jedisCluster(程序执行完后才能关闭,内部封装了连接池) jedisCluster.close(); } }
2.2,applicationContext.xml
<!-- 连接池配置 --> <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"> <!-- 最大连接数 --> <property name="maxTotal" value="30" /> <!-- 最大空闲连接数 --> <property name="maxIdle" value="10" /> <!-- 每次释放连接的最大数目 --> <property name="numTestsPerEvictionRun" value="1024" /> <!-- 释放连接的扫描间隔(毫秒) --> <property name="timeBetweenEvictionRunsMillis" value="30000" /> <!-- 连接最小空闲时间 --> <property name="minEvictableIdleTimeMillis" value="1800000" /> <!-- 连接空闲多久后释放, 当空闲时间>该值 且 空闲连接>最大空闲连接数 时直接释放 --> <property name="softMinEvictableIdleTimeMillis" value="10000" /> <!-- 获取连接时的最大等待毫秒数,小于零:阻塞不确定的时间,默认-1 --> <property name="maxWaitMillis" value="1500" /> <!-- 在获取连接的时候检查有效性, 默认false --> <property name="testOnBorrow" value="true" /> <!-- 在空闲时检查有效性, 默认false --> <property name="testWhileIdle" value="true" /> <!-- 连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true --> <property name="blockWhenExhausted" value="false" /> </bean> <!-- redis集群 --> <bean id="jedisCluster" class="redis.clients.jedis.JedisCluster"> <constructor-arg index="0"> <set> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7001"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7002"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7003"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7004"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7005"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg index="0" value="192.168.101.3"></constructor-arg> <constructor-arg index="1" value="7006"></constructor-arg> </bean> </set> </constructor-arg> <constructor-arg index="1" ref="jedisPoolConfig"></constructor-arg> </bean>
测试代码
private ApplicationContext applicationContext; @Before public void init() { applicationContext = new ClassPathXmlApplicationContext( "classpath:applicationContext.xml"); } // redis集群 @Test public void testJedisCluster() { JedisCluster jedisCluster = (JedisCluster) applicationContext .getBean("jedisCluster"); jedisCluster.set("name", "zhangsan"); String value = jedisCluster.get("name"); System.out.println(value); }
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