spring boot 哨兵_redis主从哨兵模式搭建

(2) 2024-06-28 11:12

Hi,大家好,我是编程小6,很荣幸遇见你,我把这些年在开发过程中遇到的问题或想法写出来,今天说一说
spring boot 哨兵_redis主从哨兵模式搭建,希望能够帮助你!!!。

一般应用中,哨兵模式可以满足应用场景。当redis存储的数据量太大,单个机器已经无法满足的情况下,需要使用cluster集群。

spring-redis.xml

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd"> <!-- 加载配置文件 --> <context:property-placeholder location="classpath:redis.properties" /> <!-- redis数据源 --> <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig"> <!-- 最大空闲数 --> <property name="maxIdle" value="${redis.maxIdle}" /> <!-- 最大空连接数 --> <property name="maxTotal" value="${redis.maxTotal}" /> <!-- 最大等待时间 --> <property name="maxWaitMillis" value="${redis.maxWaitMillis}" /> <!-- 连接超时时是否阻塞,false时报异常,ture阻塞直到超时, 默认true --> <property name="blockWhenExhausted" value="${redis.blockWhenExhausted}" /> <!-- 返回连接时,检测连接是否成功 --> <property name="testOnBorrow" value="${redis.testOnBorrow}" /> </bean> <bean id="sentinelConfig" class="org.springframework.data.redis.connection.RedisSentinelConfiguration"> <!-- master名称 sentinel.conf里面配置的主节点名称 --> <constructor-arg name="master" value="${redis.adapter.masterName}" /> <!-- sentinel的ip和端口列表 --> <constructor-arg name="sentinelHostAndPorts"> <set> <value>${redis.adapter.sentinel1}</value> <value>${redis.adapter.sentinel2}</value> <value>${redis.adapter.sentinel3}</value> </set> </constructor-arg> </bean> <!-- Spring-redis连接池管理工厂 --> <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"> <constructor-arg name="sentinelConfig" ref="sentinelConfig" /> <constructor-arg name="poolConfig" ref="poolConfig"></constructor-arg> <!-- IP地址 --> <!-- <property name="hostName" value="${redis.host}" /> --> <!-- 端口号 --> <!-- <property name="port" value="${redis.port}" /> --> <!-- 密码 --> <!-- <property name="password" value="${redis.password}"></property> --> <!-- 读取超时时间 默认2000--> <!-- <property name="timeout" value="${redis.timeout}" /> --> <!-- 连接池配置引用 --> <!-- <property name="poolConfig" ref="poolConfig" /> --> <!-- usePool:是否使用连接池 --> <!-- <property name="usePool" value="true"/> --> </bean> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate"> <property name="connectionFactory" ref="jedisConnectionFactory"></property> <property name="keySerializer"> <bean class="org.springframework.data.redis.serializer.StringRedisSerializer"/> </property> <property name="valueSerializer"> <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer"/> </property> </bean> <bean id="redisUtil" class="redis.RedisUtil"> <property name="redisTemplate" ref="redisTemplate"></property> </bean> </beans> 

 

redis.properties

redis.maxIdle=10 redis.maxTotal=20 redis.maxWaitMillis=1000 redis.blockWhenExhausted=true redis.testOnBorrow=true #redis.timeout=60000 defaultCacheExpireTime=60 redis.adapter.masterName=mymaster redis.adapter.sentinel1=127.0.0.1:26379 redis.adapter.sentinel2=127.0.0.1:26479 redis.adapter.sentinel3=127.0.0.1:26579 

RedisUtil.java

public class RedisUtil { //@Autowired @Resource private RedisTemplate redisTemplate; public <T> void setMap(String key, Map<String, T> dataMap){ redisTemplate.opsForHash().putAll(key, dataMap); } public <T> void setMap(String key, Map<String, T> dataMap, long timeout, TimeUnit timeUnit){ redisTemplate.opsForHash().putAll(key, dataMap); redisTemplate.expire(key, timeout, timeUnit); } public <T> Map<String, T> getMap(String key){ return redisTemplate.opsForHash().entries(key); } public <T> void setList(String key, List<T> dataList){ redisTemplate.opsForList().rightPushAll(key, dataList); } public Long getListSize(String key){ return redisTemplate.opsForList().size(key); } public void setObject(String key, Object value){ redisTemplate.opsForValue().set(key, value); } public Object getObject(String key){ return redisTemplate.opsForValue().get(key); } public void delete(String key){ redisTemplate.delete(key); } public Boolean getLock(String key, String value, long timeout, TimeUnit timeUnit){ return redisTemplate.opsForValue().setIfAbsent(key, value, timeout, timeUnit); } public void delLock(String key, String value){ String script = "if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end "; DefaultRedisScript<Integer> redisScript = new DefaultRedisScript<Integer>(); redisScript.setScriptText(script); redisScript.setResultType(Integer.class); Long res = (Long) redisTemplate.execute(redisScript, Collections.singletonList(key), value); System.out.println(res); } public RedisTemplate getRedisTemplate() { return redisTemplate; } public void setRedisTemplate(RedisTemplate redisTemplate) { this.redisTemplate = redisTemplate; } } 

TestJedis.java

 

public class TestJedis { //@Resource private RedisUtil redisUtil; public static void main(String[] args) { TestJedis test = new TestJedis(); test.test1(); } //@Test public void test1(){ ApplicationContext appliction = new ClassPathXmlApplicationContext("spring-redis.xml"); redisUtil = appliction.getBean(RedisUtil.class); // String key = "test"; // redisUtil.setObject(key, "test"); // String val = (String) redisUtil.getObject(key); // System.out.println(val); // redisUtil.delete(key); // System.out.println(redisUtil.getObject(key)); int max = 100; Thread[] threads = new Thread[max]; for(int i = 0; i < max; i++){ threads[i] = new Thread(new TestLockThread()); } for(int i = 0; i < max; i++){ threads[i].start(); } } class TestLockThread implements Runnable{ private String key = "transfer_0001"; /* (non-Javadoc) * @see java.lang.Runnable#run() */ public void run() { Boolean getLock = redisUtil.getLock(key, Thread.currentThread().getName(), 10000, TimeUnit.MILLISECONDS); if(getLock){ try{ System.out.println(Thread.currentThread().getName() + "开始干活了。。。。"); }finally{ redisUtil.delLock(key, Thread.currentThread().getName()); System.out.println(Thread.currentThread().getName() + "over。。。。"); } } } } } 

 

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