java对redis集群操作

一、哨兵模式

package test;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisSentinelPool;

public class jsontest {
    static Map<String,Map<String, Object>> map = new HashMap<String,Map<String,Object>>();
    public static void main(String[] args) throws Exception{
        Set<String> sentinels = new HashSet<String>();
                 String hostAndPort1 = "192.168.121.14:6380";
                 String hostAndPort2 = "192.168.121.12:6381";
                 sentinels.add(hostAndPort1);
                 sentinels.add(hostAndPort2);
                 String clusterName = "mymaster";
                 @SuppressWarnings("resource")
                JedisSentinelPool redisSentinelJedisPool = new JedisSentinelPool(clusterName,sentinels);
         
                 Jedis jedis = null;
                 try {
                     jedis = redisSentinelJedisPool.getResource();
                     jedis.get("foo");
                     System.out.println(jedis.get("foo"));
                 } catch (Exception e) {
                     e.printStackTrace();
                 } finally {
                 redisSentinelJedisPool.returnBrokenResource(jedis);
        } 
    }
}

 

二、分片集群

package test;

import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Set;

import redis.clients.jedis.HostAndPort;
import redis.clients.jedis.JedisCluster;
import redis.clients.jedis.JedisPoolConfig;

public class JedisTest {

    public static void main(String[] args) throws Exception{
        JedisPoolConfig poolConfig = new JedisPoolConfig();
        // 最大连接数
        poolConfig.setMaxTotal(1);
        // 最大空闲数
        poolConfig.setMaxIdle(1);
        // 最大允许等待时间，如果超过这个时间还未获取到连接，则会报JedisException异常：
        // Could not get a resource from the pool
        poolConfig.setMaxWaitMillis(1000);
        Set<HostAndPort> nodes = new LinkedHashSet<HostAndPort>();
        nodes.add(new HostAndPort("192.168.121.12", 6379));
        nodes.add(new HostAndPort("192.168.121.12", 6380));
        nodes.add(new HostAndPort("192.168.121.12", 6381));
        nodes.add(new HostAndPort("192.168.121.14", 6379));
        nodes.add(new HostAndPort("192.168.121.14", 6380));
        nodes.add(new HostAndPort("192.168.121.14", 6381));
        JedisCluster cluster = new JedisCluster(nodes, poolConfig);
        String name = cluster.get("daxue");
        System.out.println(name);
        cluster.set("ddd","101");
        System.out.println(cluster.get("ddd"));
        System.out.println(cluster.get("age"));
        try {
            cluster.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}