redis主從,實現類似mysql的讀寫分離效果。在程式碼層面需要執行slave host嗎?
目前是透過jedis客戶端JedisSentinelPool連接哨兵集群,查看日誌輸出應該連接的是master的host
讀取請求會自動路由到slave嗎?
淡淡烟草味2017-05-16 13:22:21
主的配置好ip和端口,從的配置好Slaveof的master地址和端口號,哨兵監控master的ip和端口號,java代碼直接master的name和密碼就行了。
`
public static void main(String[] args) {
Set<String> sentinels = new HashSet<String>();
String hostAndPort1 = "127.0.0.1:26379";
String hostAndPort2 = "127.0.0.1:26380";
sentinels.add(hostAndPort1);
sentinels.add(hostAndPort2);
String clusterName = "mymaster";
String password = "123456";
JedisSentinelPool redisSentinelJedisPool = new JedisSentinelPool(clusterName,sentinels,password);
Jedis jedis = null;
try {
jedis = redisSentinelJedisPool.getResource();
System.out.println(jedis.get("key"));
} catch (Exception e) {
e.printStackTrace();
} finally {
redisSentinelJedisPool.returnBrokenResource(jedis);
}
redisSentinelJedisPool.close();
`