redis高可用三:redis-cluster
阿新 • • 發佈:2018-12-25
一:說明
redis-cluster需要6臺redis才行,分為3組,每組都是1主1從。
二:啟動6臺redis
修改redis.conf 檔案為redis1.conf redis2,conf redis3,conf redis4,conf redis5,conf redis6,conf
配置檔案做如下修改,埠肯定是都不一樣的,然後啟動:
daemonize yes
protected-mode no
cluster-enabled yes
cluster-config-file nodes2.conf
cluster-node-timeout 5000
port 6372
>> ps -ef|grep redis看到
root 2912 1 0 13:48 ? 00:00:00 ./redis-server *:6371 [cluster]
root 2923 1 0 13:48 ? 00:00:00 ./redis-server *:6372 [cluster]
root 2930 1 0 13:48 ? 00:00:00 ./redis-server *:6373 [cluster]
root 2938 1 0 13:48 ? 00:00:00 ./redis-server *:6374 [cluster]
root 2946 1 0 13:48 ? 00:00:00 ./redis-server *:6375 [cluster]
root 2956 1 0 13:48 ? 00:00:00 ./redis-server *:6376 [cluster]
三:執行ruby
>> yum install ruby rubygems -y
>> 安裝gem-redis
>> https://rubygems.org/gems/redis/versions/3.0.0
>> gem install -l redis-3.0 .0.gem
>> ## 一定一定要注意,這裡的ip是你主機的ip,而不一定是127.0.0.1 ,到時候用jedis去連線,這裡的ip就是相對jedis的地址
>> ./redis-trib.rb create --replicas 1 127.0.0.1:6371 127.0.0.1:6372 127.0.0.1:6373 127.0.0.1:6374 127.0.0.1:6375 127.0.0.1:6376
四:Jedis
public class Main {
public static void main(String[] args) throws InterruptedException {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(100);
config.setMaxIdle(50);
config.setMinIdle(20);
config.setMaxWaitMillis(6 * 1000);
config.setTestOnBorrow(true);
Set<HostAndPort> jedisClusterNodes = new HashSet<HostAndPort>();
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6371));
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6372));
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6373));
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6374));
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6375));
jedisClusterNodes.add(new HostAndPort("127.0.0.1", 6376));
JedisCluster jedisCluster = new JedisCluster(jedisClusterNodes, 2000, 100, config);
String key = "aa";
for (int i = 1; i <= 100; i++) {
jedisCluster.set(key + i, key + i);
String value = jedisCluster.get(key + i);
System.out.println(value);
}
}
}