java Redis 集群与 Spring Boot 集成
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Redis cluster integration with Spring boot
提问by Harshana
I have a redis cluster with master, slave and 3 sentinel servers. The master and slave is map to dns names as node1-redis-dev.com, node2-redis-dev.com. The redis server version is 2.8
我有一个带有主服务器、从服务器和 3 个哨兵服务器的redis 集群。主从映射到 dns 名称为 node1-redis-dev.com, node2-redis-dev.com。redis 服务器版本为2.8
I include below in my application.properties file.
我在我的 application.properties 文件中包含以下内容。
spring.redis.cluster.nodes=node1-redis-dev.com:6379,node2-redis-dev.com:6379
spring.redis.pool.max-idle=8
spring.redis.pool.min-idle=0
spring.redis.pool.max-active=-1
spring.redis.pool.max-wait=-1
But when I inspect the StringRedisTemplate, I see localhost instead of cluster information under hostName propertyof JedisConnectionFactory.
但是当我检查 StringRedisTemplate 时，我在JedisConnectionFactory 的hostName 属性下看到 localhost 而不是集群信息。
Also I see the exception in creationStackTrace property of JedisPool.
我还看到 JedisPool 的 creationStackTrace 属性中的异常。
java.lang.Exception
at org.apache.commons.pool2.impl.BaseGenericObjectPool.<init>(BaseGenericObjectPool.java:139)
at org.apache.commons.pool2.impl.GenericObjectPool.<init>(GenericObjectPool.java:107)
at redis.clients.util.Pool.initPool(Pool.java:43)
at redis.clients.util.Pool.<init>(Pool.java:31)
at redis.clients.jedis.JedisPool.<init>(JedisPool.java:80)
at redis.clients.jedis.JedisPool.<init>(JedisPool.java:74)
at redis.clients.jedis.JedisPool.<init>(JedisPool.java:55)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.createRedisPool(JedisConnectionFactory.java:228)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.createPool(JedisConnectionFactory.java:204)
The CasheRepository class looks like below,
CasheRepository 类如下所示，
@Component
@CacheConfig(cacheNames = "enroll", cacheManager = "enrollCM")
public class EnrollCashRepository {
@Autowired
private StringRedisTemplate stringRedisTemplate;
//Other methods
}
I am using spring boot 1.3.4 with spring-boot-starter-redis 1.2.7 which import jedis 2.7.3 dependency.
我正在使用 spring boot 1.3.4 和 spring-boot-starter-redis 1.2.7，它导入 jedis 2.7.3 依赖项。
What am I missing with integrate redis cluster with Spring boot applicatiom?
将 redis 集群与 Spring Boot 应用程序集成在一起，我缺少什么？
回答by Monzurul Haque Shimul
All that is needed is setting the initial collection of cluster nodes in RedisClusterConfiguration and provide that one to JedisConnectionFactory.
所需要做的就是在 RedisClusterConfiguration 中设置集群节点的初始集合，并将该集合提供给 JedisConnectionFactory。
@Configuration
class Config {
List<String> clusterNodes = Arrays.asList("node1-redis-dev.com:6379", "node2-redis-dev.com:6379");
@Bean
RedisConnectionFactory connectionFactory() {
return new JedisConnectionFactory(new RedisClusterConfiguration(clusterNodes));
}
@Bean
RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
// just used StringRedisTemplate for simplicity here.
return new StringRedisTemplate(factory);
}
}
