线上出故障了！我慌得一匹！教大家如何应对在线故障！

超、凢脫俗 2022-04-13 11:57 145阅读 0赞

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> 本文作者：飒然Hang  
> 原文地址：[http://www.rowkey.me/blog/2018/11/22/online-debug][http_www.rowkey.me_blog_2018_11_22_online-debug]

线上运行的Java应用突然没有响应、响应缓慢，进程突然消失，遇到这些情况应该如何应对呢？

今天教大家如何应对在线故障！

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**热门内容：**

1、[无人不冤，有情皆孽][Link 1]

2、[【双11狂欢背后】微服务注册中心如何承载大型系统的千万级访问？][11]

3、[Redis热点Key发现及常见解决方案！][Redis_Key]

4、[Docker的6年之痒！][Docker_6]

5、[Kafka如何做到1秒处理1500万条消息？][Kafka_1_1500]

6、[Redis敢在线上做Keys正则匹配操作！你可以离职了！][Redis_Keys]

7、[【面试必问】支撑百万并发的"IO多路复用"技术你了解吗？][IO]

![在这里插入图片描述][20190602133102112.png]

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[http_www.rowkey.me_blog_2018_11_22_online-debug]: http://www.rowkey.me/blog/2018/11/22/online-debug
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[Link 1]: https://mp.weixin.qq.com/s?__biz=MzUxOTAxODc2Mg==&mid=2247483748&idx=1&sn=e88275c5b5146744b3bf824742301503&scene=21#wechat_redirect
[11]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487682&idx=1&sn=2588b097d256736e28883bfe0b12c092&chksm=e9c5e973deb26065d37c2a733dda64f75fa4e209fc9930af0db0dc5f295dd9269a3ed3dec82d&scene=21#wechat_redirect
[Redis_Key]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487673&idx=1&sn=f7429aeedb3b5fd567b17357eb2b0cad&chksm=e9c5e908deb2601e5daef18db1b4a1a4c176346e3c986435258fe30a4c86f602695d38bfe5f3&scene=21#wechat_redirect
[Docker_6]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487649&idx=1&sn=4c2940610a58b39567f1179fcedb9052&chksm=e9c5e910deb2600626d5f34e9e03ae593439560441bc9ce477982178d33aaf59f46b000b0c81&scene=21#wechat_redirect
[Kafka_1_1500]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487645&idx=1&sn=b93d527d063d7204d56516e166c5c8fd&chksm=e9c5e92cdeb2603a5217b42aaf98315a80036cd8f0853ce3b9a408087cd2cfe906be1988e8b7&scene=21#wechat_redirect
[Redis_Keys]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487584&idx=1&sn=8090ebf84323636639164485acc21b85&chksm=e9c5e9d1deb260c7d74b1b41f150b95d9ea3463a80315fc2350ad10dae7c9a65c05af5f7aea4&scene=21#wechat_redirect
[IO]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=2247487566&idx=1&sn=08b67ec95756fd9366987fa793a70db4&chksm=e9c5e9ffdeb260e92a388c7b90e17724ce73b82b2743f26a82e8e7ffe40a376261c0978ddbbd&scene=21#wechat_redirect
[20190602133102112.png]: /images/20220413/0d2b12be3bd54a8d99932f691a2656fc.png
[2T_Java_ID_ JavaITWork_1024_SSM_Spring_MySQL_MyCat_Linux_Jenkins_Nexus_Docker_ELK]: http://mp.weixin.qq.com/s?__biz=MzI1NDQ3MjQxNA==&mid=100005643&idx=1&sn=ed08bcf127fc549202ff273abeeb3d1a&chksm=69c5eeba5eb267ac550ed247d72d6c43e11551f25fe80f8ea6a3146682ce2266dad880ce48de#rd