redis异常和注意点

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redis 异常解决办法

redis 异常解决办法 26069:M 08 Aug 17:06:58.858 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 26069:M 08 Aug 17:06:58.859 # Server started, Redis version 3.0.7 26069:M 08…

redis 异常排查

异常排查 redis-server redis.windows.conf D:\redis-2.8.17>redis-server.exe redis.windows.conf[4692] 27 Nov 12:14:05.995 #The Windows version of Redis allocates a memory mapped heap for sharing withthe forked process used for persistence operations. In ord…

一个 redis 异常访问引发 oom 的案例分析

「推断的前提是以事实为依据.」这两天碰到一个线上系统的偶尔出现突然堆内存暴涨,这倒不是个什么疑难杂症, 只是过程中有些思路觉得可以借鉴参考,故总结下并写下来. 现象内存情况可以看看下面这张监控图. 一天偶尔出现几次,持续时间一般几分钟不等. 当这种情况出现时,我们检查错误日志,发现有下面两几种 OOM 错误. java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.OutOfMemoryError: Java heap…

redis异常Redis：java.util.NoSuchElementException: Unable to validate object at

前两天项目上线的时候遇到了redis的一个问题,在测试环境的时候项目运行正常,项目一上线redis便开始抛异常. redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool at … Caused by: java.util.NoSuchElementException: Unable to validate object at … 看日志发现是池的连接不够,但是项…

Redis异常 | DENIED Redis is running in protected mode because protected mode is enabled

背景今天重新搭了个redis环境,用简单的代码去测试下是否正常, @RunWith(SpringRunner.class) @SpringBootTest public class SpringbootRedisApplicationTests { @Autowired StringRedisTemplate stringRedisTemplate; @Test public void saveString() { //保存字符串 stringRedisTemplate.opsForValue…