如果你是一个 Java 面试官，你会问哪些问题？

1天前 (03-05 06:41)阅读1回复0

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## 高并发系列

- [聊聊接口性能优化的11个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490731&idx=1&sn=29ed0295c7990157a3a56ba33cf7f8be&chksm=c0ebc443f79c4d55a2bac81744992c96f97737e5d0717ec99231f4d08f57a7f0220eafdac9c9&token=426403078&lang=zh_CN#rd

)

- [我用kafka两年踩过的一些坑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490289&idx=1&sn=bc311da9f4a4d3f48ee5dc207bf31a8b&chksm=c0ebc219f79c4b0fc711116723b9df3a5531cda32f0f5d00f065910aa552af6ff03b3f1528fc&token=751314179&lang=zh_CN#rd

)

- [高并发下若何包管接口的幂等性？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490307&idx=1&sn=b9eeb427c33cb171da6c3f11243a88f4&chksm=c0ebc3ebf79c4afd0d5a1851a975534b672d86c531d28c5933013140173e794f5f53e78a6765&token=751314179&lang=zh_CN#rd

)

- [若何包管数据库和缓存双写一致性？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493521&idx=1&sn=bff84e7a819d79e4b8eb7e722e96ddfc&chksm=c0e83f79f79fb66f2e7bf03a104580b404ea0a3c977846e428f13c1f12fbad46d4d778b2da14&token=375542673&lang=zh_CN#rd

)

- [mq的那些破事儿，你欠好奇吗？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490326&idx=1&sn=8acb7c030591932e4ddce5502fbc1382&chksm=c0ebc3fef79c4ae8c8600cb2e869d4cfa577c8424efbc46bac0ab0eed4ac231aa7e172b46213&token=751314179&lang=zh_CN#rd

)

- [聊聊redis散布式锁的8大坑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490430&idx=1&sn=a1f42f9a981a8f161941a6472f317b10&chksm=c0ebc396f79c4a801a330917ca700e7d7a6af3a3c2c5a4e11a05770da925de8aa9ed3c277737&token=751314179&lang=zh_CN#rd

)

- [阿里二面：为什么要分库分表？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490459&idx=1&sn=1e4296228c00aa4203aab481575ac916&chksm=c0ebc373f79c4a658de7ce7f0d8cf30b1f45adb346c2386321779e7cf85a757a12337d3ae233&token=751314179&lang=zh_CN#rd

)

- [学会那10种按时使命，我有点飘了](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490314&idx=1&sn=29ddf0c1e99675b86cdfc082556a69a9&chksm=c0ebc3e2f79c4af43cf8582d41b0bc3ede57986cc6c115b103b586a2c7bddb4475555e919b20&token=751314179&lang=zh_CN#rd

)

- [高并发下秒杀商品，你必需晓得的9个细节](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490378&idx=1&sn=3398107767443078564bd85b26c3b342&chksm=c0ebc3a2f79c4ab46dd1c23eda4cef17b14e6fdec19883279c739dfc51abc6a95a990364e6ec&token=751314179&lang=zh_CN#rd

)

- [聊聊限流](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495624&idx=1&sn=6d321d800c4033c312a42af21abe9019&chksm=c0e83720f79fbe3687236c8e8f0a95d33fb511f8f0336b149f2ed0b2c35a8c18a6e822fc56b2&token=375542673&lang=zh_CN#rd

)

- [高并发下若何防重？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495570&idx=1&sn=eed3102c7dffc4ddbc59844dd9b865a5&chksm=c0e8377af79fbe6c29aefa3ae3aab48c6459b673005e2f97ae402172f6e5cdf8573aea5e7663&token=375542673&lang=zh_CN#rd

)

- [京东二面：高并发系统若何设想？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495120&idx=1&sn=f45283e45ca8e5c19ed1f22a890e75e5&chksm=c0e83538f79fbc2e77cf9844095b588b29aa85a41995aecb1345d18537b9977b9984876d626e&token=375542673&lang=zh_CN#rd

)

- [从20s优化到500ms，我用了那三招](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495991&idx=1&sn=f7ff015da0de21c2fac603b711918c8a&chksm=c0e829dff79fa0c9d76c9f6eff3448fd78ee5f2f7b348d37b24bb07fbece2ea193dbb23c38d7&token=375542673&lang=zh_CN#rd

)

- [若何用 Java 几分钟处置完 30 亿个数据?](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496011&idx=1&sn=a2450defef6d94fccdb962e1c6f8a826&chksm=c0e829a3f79fa0b524d3229ab0cdc511ee445e0e9cd6234799e209f0bbf8c1a858cecbbdf577&token=1502528170&lang=zh_CN#rd

)

- [并发情况下，先操做数据库仍是先操做缓存？](https://mp.weixin.电话.com/s/i1V34oH6_8WsTu0IpPuwqQ

)

- [接口流量突增，若何做好性能优化？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496949&idx=2&sn=6640e0fa214de3c67d8b374aa8819977&chksm=c0e82c1df79fa50beee26ab141e596bc8f0d471e732f531562e7a0ded5f36a575f8e895f180b&token=1780081529&lang=zh_CN#rd

)

## 散布式系列

- [聊聊散布式锁](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495781&idx=1&sn=a979c6559d57a1257fa40c93aa432de7&chksm=c0e8288df79fa19b794b1671072c92ef434880bbb8c9ba141e3fe4394b6b0765088ad36d463b&token=375542673&lang=zh_CN#rd

)

- [聊聊 Sharding-JDBC](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495351&idx=1&sn=fbab95fa9228f8e7326956415d5a2e4e&chksm=c0e8365ff79fbf491fda845c8463633390a666e07f63ef6debe429a3dc3cd6eee973b8567137&token=375542673&lang=zh_CN#rd

)

- [聊聊散布式设置装备摆设中心](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494265&idx=1&sn=978b6284cc0f7a915ddbbe87368480fd&chksm=c0e83291f79fbb877a62b30c8b1bf225b527fc147dfb6574d15f47acaa04e69d0090d5807f55&token=375542673&lang=zh_CN#rd

)

- [聊聊注册中心](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494011&idx=1&sn=8517c74e29be65fdadf3051d3fdfef44&chksm=c0e83193f79fb8857fa4c8990b8cfe78038955085fc84997f23351085c042b89eb0a6224a687&token=375542673&lang=zh_CN#rd

)

- [聊聊API网关](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493730&idx=1&sn=514173fff413c785c2fb6770361487de&chksm=c0e8308af79fb99cbd275c5df551cd4bbba6c4bb2f14b00a8d544711864cb3e91d44fec5be82&token=375542673&lang=zh_CN#rd

)

- [那9种散布式ID生成办法，打死也要记住呀](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491057&idx=1&sn=b0ed7c63e54761905b1cbbef123f16f1&chksm=c0ebc519f79c4c0f2e66e1365d216d9d312a59938216a0e1c32bcc0377febcf5a1ad0158ffec&token=375542673&lang=zh_CN#rd

)

- [session、token、jwt、oauth2 傻傻分不清](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496146&idx=1&sn=7c0291f4fc84797e63c6e49f030e0557&chksm=c0e8293af79fa02c1fe26a49745e0994345858d845412f6f314ed32903e9667608d42a73a03e&token=1121830644&lang=zh_CN#rd

)

- [聊聊10种延迟使命](https://mp.weixin.电话.com/s/m8xF8GQKi82wLF2kYNBumA

)

- [聊聊一致性hash算法](https://mp.weixin.电话.com/s/yy0Gmo_2fq4Mw9QEx4AfBg

)

- [Redis 散布式锁｜从青铜到钻石的五种演进计划](https://mp.weixin.电话.com/s/2xhjrkpZNaA6NH4MV0gz6A

)

- [比照 5 种散布式事务计划，仍是宠幸了阿里的 Seata](https://mp.weixin.电话.com/s/Uot4d_6ys9qmvnp2PrCXAw

)

- [聊聊分库分表](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496764&idx=1&sn=80ad84ec0348c6045c110c9ba9d29e6b&chksm=c0e82cd4f79fa5c28498b3642e147b1771d83c882be1a90fcf8244fb931c9640967283098bab&token=1446978876&lang=zh_CN#rd

)

- [实现web实时动静推送的7种计划](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496923&idx=1&sn=38e0b64b4b365a1c60d64f6a83e7a519&chksm=c0e82c33f79fa5255b5c87ecbaded2f99229b14e5f70b8614112ac8854583ea52f0dce798147&token=1780081529&lang=zh_CN#rd

)

- [聊聊散布式ID](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497161&idx=1&sn=a133091a716e9c682cb952577fec146a&chksm=c0e82d21f79fa4374c49dbc0f1be16cec2423812cbf315ff4926baf1b929ff6496e80a783b83&token=1650035797&lang=zh_CN#rd

)

## 高可用系列

- [搞懂异地多活，看那篇就够了](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490455&idx=1&sn=74013dfc33c7d46626dca1a7ae048419&chksm=c0ebc37ff79c4a699b15040002f35ee7993dcf002cde34c2599234110369ea4f4732854c5f75&token=1121830644&lang=zh_CN#rd

)

- [你管那破玩意儿叫负载平衡?](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491502&idx=1&sn=981658cf1bb24842211f8abe9c3ef156&chksm=c0ebc746f79c4e504e64be95dbc21b85a1ded3be5772a7707b711f7e0ab419bd697003baab06&token=375542673&lang=zh_CN#rd

)

- [聊聊高可用](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494085&idx=1&sn=c79d9b7841dd67ad3243e87f18779e45&chksm=c0e8312df79fb83b0aefd8e4dc0e1b75af93243bbcd5896203a15fddf3774e4b7194b3d0956c&token=1121830644&lang=zh_CN#rd

)

- [B站崩在那里...](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496241&idx=1&sn=041cf3e733490a659093b3a2f8f9a730&chksm=c0e82ad9f79fa3cf1fc58c3438023a031b860d6a0d47ca7c3715f258e67704f8c936b66fb041&token=1508828007&lang=zh_CN#rd

)

- [若何文雅停机？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496477&idx=1&sn=3382cf474cd045f216ca07b008746c23&chksm=c0e82bf5f79fa2e3368632358b9991c4db4468606554ffe42cf08a18933508a05783066132cd&token=1690710950&lang=zh_CN#rd

)

## spring系列

- [spring中让你爱不释手的代码技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490278&idx=1&sn=89af37ff9d1577ddc0f48866343412cd&chksm=c0ebc20ef79c4b184a617c95714d407b1ab4646ae930ee4b5c3201065030d7a1a8bcd23297a3&token=751314179&lang=zh_CN#rd

)

- [spring中让你爱不释手的代码技巧续](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490282&idx=1&sn=2c2744525a598a837c1c5d596be467e3&chksm=c0ebc202f79c4b14a4c84ec63dbae8429d043d2c4f1dc6a1318e5629e61f190d704e0cc40073&token=751314179&lang=zh_CN#rd

)

- [聊聊spring事务失效的12种场景](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490414&idx=1&sn=b232e8931fbc754a255bde93a5a810e5&chksm=c0ebc386f79c4a9079f096acc8e5836cab99746689309c293900488a538b7489dc7d64b0ae0a&token=751314179&lang=zh_CN#rd

)

- [spring中竟然有12种定义bean的办法](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490357&idx=1&sn=4d3f5958d7045a1ab178d4e37c7294d7&chksm=c0ebc3ddf79c4acb151944ef0c62344079b5ffb9bf3af1eceff992f8f5f585bb9de63b290931&token=751314179&lang=zh_CN#rd

)

- [spring：我是若何处理轮回依赖的？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490271&idx=1&sn=e4476b631c48882392bd4cd06d579ae9&chksm=c0ebc237f79c4b21f4e1a5370bba4f72bba4fefd1f447f150107a98a77c82ac9c109c335cd09&token=751314179&lang=zh_CN#rd

)

- [9条消弭if...else的神机妙算](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490272&idx=1&sn=c5db63c7b52e7518b7a42e48c70927fc&chksm=c0ebc208f79c4b1e2fb5cde1e4fe056119a17f2422cb782fb3fecedd093ac478ae834b6c49ef&token=751314179&lang=zh_CN#rd

)

- [轻松读懂spring之 IOC的主干流程](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490298&idx=1&sn=13a251c26f2c2b951706cccdb7f6b08f&chksm=c0ebc212f79c4b0437d1beb75a8dcc8e2ec58f1e5637d2192bd1e4342af90b669ad05f92b3f6&token=751314179&lang=zh_CN#rd

)

- [Spring夺命35连问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495006&idx=1&sn=25e9aef07003f180dcb1ae0c40d1d9b9&chksm=c0e835b6f79fbca09ce547e3fb150aa5ab5149c55d1b96128a35f128fd2bcce8402202cab7a5&token=375542673&lang=zh_CN#rd

)

- [spring aop论点纷歧样的工具](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490285&idx=1&sn=ed9947cb8471cb51ef0edad370a1271f&chksm=c0ebc205f79c4b1320d04bda52bc5d304b22c8344e6805602c079251ff3780e60551fac6fd1e&token=751314179&lang=zh_CN#rd

)

- [springboot面试杀手锏-主动设置装备摆设原理](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490236&idx=1&sn=636be5ccb19d59cfc1801efc22160ad0&chksm=c0ebc254f79c4b42d6005d5d229c729c9f187b63b68e74e5a2ac5e25dbdfbb80316919b8e69d&token=751314179&lang=zh_CN#rd

)

- [@Autowired的那些骚操做你晓得吗？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490385&idx=1&sn=e84b36485c823041aad6a55a4f357534&chksm=c0ebc3b9f79c4aafd37a7178c3b72c95dd49dd595feddd5950ff92f2792f9c482dd3bdd778f6&token=751314179&lang=zh_CN#rd

)

- [@Value竟然能玩出那么多把戏？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490444&idx=1&sn=6f10e002f38ffd3cebf4fa1746123950&chksm=c0ebc364f79c4a72415f8380ed3821d67cff0485aef230a256bbca0f37bf44a6b97f527f489e&token=751314179&lang=zh_CN#rd

)

- [面试前看了那篇spring事务的文章，让我多要了2k的工资](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490224&idx=1&sn=c32cc226d2b4201649b51f404844c1f7&chksm=c0ebc258f79c4b4ebfb3454cc284be5886ad5084a32c6487bca4380d3f65e2f35c572dbd2b28&token=660773166&lang=zh_CN&scene=21#wechat_redirect

)

## springboot系列

- [SpringBoot 消费中 16 条更佳理论](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493688&idx=1&sn=41c2ba075b218608b1e7654200cde714&chksm=c0e830d0f79fb9c6b02f8c608998ec2e2124df57ce74aa0ba15a0adb786d5a0b09c1ac932b54&token=375542673&lang=zh_CN#rd

)

- [Spring Boot Admin，贼好使！](https://mp.weixin.电话.com/s/qglX8id8RRCB46D1SD82lw

)

## spring cloud

- [深切理解 Ribbon 的架构原理](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490734&idx=1&sn=f55bc1f702ef3926f169e6ab529159f0&chksm=c0ebc446f79c4d5002f5ee4acbbd2651fdea8155cf64ba015b977928de596d1b746056f13525&token=375542673&lang=zh_CN#rd

)

- [openFeign夺命连环9问](https://mp.weixin.电话.com/s/INJCuuW1chbosUEcsuSeAA

)

## spring cloud alibaba

- [聊聊 Nacos](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494153&idx=1&sn=804e06cb87e9607bba05dc4cf4580c60&chksm=c0e832e1f79fbbf74440a2976f5cdb85771136b28b59d8d561864ebe3ab66759335ebb8dbea5&token=375542673&lang=zh_CN#rd

)

- [Seata的那些过人之处](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490513&idx=1&sn=713228191b96d5e681f07926cb43ace1&chksm=c0ebc339f79c4a2f5cb87b20ae1752a409ad834e6c3f4b4bf5534990a3df09cccf569c5c6045&token=375542673&lang=zh_CN#rd

)

- [聊聊 Sentinel](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494221&idx=1&sn=739cc31be175ca6e2673842444ea4ab1&chksm=c0e832a5f79fbbb3006e877c7bea52fe5313cca1e537c871f852417493be6590c44f2c2f6bbc&token=375542673&lang=zh_CN#rd

)

- [OpenFeign的9个坑，每个都能让你的系统奔溃](https://mp.weixin.电话.com/s/g4r4uof8G3IRE7ngo2U_OQ

)

## 数据库系列

- [聊聊sql优化的15个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490473&idx=1&sn=ba07d64aa8c89054bd263efd660d3a3f&chksm=c0ebc341f79c4a579a6f41465df0459a696ab8ef0499a5f6fd76269af1064fde0286afdb027d&token=751314179&lang=zh_CN#rd

)

- [聊聊索引失效的10种场景，太坑了](kwNjMwMTgzMQ==&mid=2247491626&idx=1&sn=18fc949c06f04fe8f4c29b6fc5c66f9c&chksm=c0e838c2f79fb1d45c6f9b2ab188bb4663414690bab0718a7d46beb875e6b83e5e67ec27d2ff&token=375542673&lang=zh_CN#rd)

- [聊聊索引设想的8个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495678&idx=1&sn=c0c1abf7bd1208978f1fbba524d29dd4&chksm=c0e83716f79fbe0002efe71c3e07b37928bea4020b177c71135dacb84920a04c2d1b1048239f&token=375542673&lang=zh_CN#rd

)

- [MySQL若何优化？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494379&idx=1&sn=7037931ed8a41d8ec2fbafd81e873b06&chksm=c0e83203f79fbb15df43242607c6ec8c766ff57457b238f0b20d090205cfddfe07e749636a75&token=375542673&lang=zh_CN#rd

)

- [卧槽sql注入竟然把我们的系统搞挂了](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490286&idx=1&sn=c80ca28614e4cac1c2fe1902e028ef1b&chksm=c0ebc206f79c4b1026f59982e1a365b145f3b6ef52221c858f77cd69e757d0231754af57eefc&token=751314179&lang=zh_CN#rd

)

- [innodb是若何存数据的？yyds](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490403&idx=1&sn=bf84d7016129446fe697562e005ec64a&chksm=c0ebc38bf79c4a9d0ebd4041d16a995bbca8e38b47935e5ff22c2efc65d8ee87f9d954299c7c&token=751314179&lang=zh_CN#rd

)

- [清点一下数据库误操做的懊悔药](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490304&idx=1&sn=14a402ec19fa0eebbf972f450c9f8b63&chksm=c0ebc3e8f79c4afe43114aab886eda4f49174b128326209c1f5dfed9e6b7ce97337d4e4ff14b&token=751314179&lang=zh_CN#rd

)

- [explain | 索引优化的那把绝世好剑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490262&idx=1&sn=a67f610afa984ecca130a54a3be453ab&chksm=c0ebc23ef79c4b2869dea998e413c5cbea6aeeea01ee74efc7c1a5fc228baa7beca215adf3ea&token=751314179&lang=zh_CN#rd

)

- [mysql的那几个坑你踩过没？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490242&idx=1&sn=fa68cb6bbfccda699796b777b740dc3f&chksm=c0ebc22af79c4b3c4ebed3a11142029a73fe10c7a6bc8bc5747fd4b465afe6ca90376891d96d&token=751314179&lang=zh_CN#rd

)

- [聊聊MySQL的10大典范错误](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495431&idx=1&sn=e98c27335be6bbfdef8bcb04fceee0f8&chksm=c0e837eff79fbef9b1c083558e26cfebd4f01c8f9d9129b88cca5e7127c7b87d2328a96a3127&token=375542673&lang=zh_CN#rd

)

- [Mysql数据库查询好慢，除了索引，还能因为什么？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495353&idx=1&sn=87b13067aacc1f029f7eb6e6006eec78&chksm=c0e83651f79fbf4732cc4dc7418764f4bcab034cf2b15bbc2546e4b27692f58e37fe77d30290&token=375542673&lang=zh_CN#rd

)

- [你管那破玩意叫 B+ 树?](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494619&idx=1&sn=9ff5d5d23024b5ca8c7765860c9f5c0d&chksm=c0e83333f79fba25771b79a523919cbee91a43755214e8dc2e3c70a5e337780056252fc3029d&token=375542673&lang=zh_CN#rd

)

- [聊聊InnoDB锁](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494446&idx=1&sn=f4a6ff7d3b5f35ea6c6bf36d82ae7365&chksm=c0e833c6f79fbad0ea8ed013d9270a7b492c0782e4e903f7bbd2fe180f764dbbc27bda66e2e8&token=375542673&lang=zh_CN#rd

)

- [Mysql的索引为什么利用B+树？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494258&idx=1&sn=086d3135fbbeceaee55c9fd87d0bfc1e&chksm=c0e8329af79fbb8c3ba4f0567452e447683a88bec598b4ec66dcaaec6a2b2b883444eaceb608&token=375542673&lang=zh_CN#rd

)

- [聊聊group by](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494035&idx=1&sn=72929965cb9392f30a2f53f26c7b7f24&chksm=c0e8317bf79fb86d6aa2dc0a8385ba4c05ad2a7a0a1114d36a3a16353231148233539e6f4576&token=375542673&lang=zh_CN#rd

)

- [mysql单表最多两万万条数据？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493756&idx=1&sn=6f894fac74251b794cb8a5db2bfce0fe&chksm=c0e83094f79fb982faa02c7238239f78f467e11f99df519a2316a25805799434cd1c820c9683&token=375542673&lang=zh_CN#rd

)

- [聊聊Order By](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493408&idx=1&sn=18f4c3821065a77e0025c3ee50fa0d0e&chksm=c0e83fc8f79fb6def4c7c89d09a3633bdc50f5f03881e0f38e1516164bcb67934a5756ca8b02&token=375542673&lang=zh_CN#rd

)

- [字节二面：一条慢sql若何优化？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491519&idx=2&sn=2f7eae8925b3bb74745d16b87999be20&chksm=c0ebc757f79c4e411569de394a0609071682d8fc7f586cf37188c23b123a8011973d475cab7d&token=375542673&lang=zh_CN#rd

)

- [MySQL的redo log和bin log 实香](https://mp.weixin.电话.com/s/lA4cpJrG7ysek1monYqTgg

)

- [mysql十个核心常识点拿走不谢](https://mp.weixin.电话.com/s/zCR-bccW6aoNrVpwRTGBiw

)

- [MySQL为Null招致的5大坑](https://mp.weixin.电话.com/s/ES-cZBsawOR80JzUSR9LaA

)

- [MySQL夺命66问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496901&idx=1&sn=e9070382523cc007a1d037754eb40320&chksm=c0e82c2df79fa53b076029a9578b5368c204428cb0ad1a9941ef8708b27048e79d95c60624eb&token=1446978876&lang=zh_CN#rd

)

- [明明加了独一索引，为什么仍是产生反复数据？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497090&idx=1&sn=53b81535a9815853382c3a4bff8c844b&chksm=c0e82d6af79fa47ccfece23a8b0ad46ef6c647f1d2f961823eed181732c47e250ed0cbcfe6fd&token=1780081529&lang=zh_CN#rd

)

- [聊聊MVCC](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497137&idx=1&sn=6aaaadc31e0060f2ae7e6c656a3f02e7&chksm=c0e82d59f79fa44f446c336e8e205c3c3badabd042e0457385d5cac609897982767dae7ebe8c&token=1650035797&lang=zh_CN#rd

)

- [mysql查询 limit 1000,10 和limit 10 一样快吗？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497172&idx=1&sn=ee11773a596308a65321aa213b5d9a6f&chksm=c0e82d3cf79fa42a409d95d7036f8d5c384cb98164bcb198ef3e3e950a6c3112de6351c85ae8&token=1106409335&lang=zh_CN#rd

)

## 中间件系列

- [Kafka能抗住百万并发的奥秘](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495797&idx=1&sn=5e6a4e91695854fa4511ff6978b21ddf&chksm=c0e8289df79fa18ba0c1bf6dbc82017ab6b7df04cd73f6faf5db6d694ed33ecd67e3dbb3d5f4&token=375542673&lang=zh_CN#rd

)

- [你管那破玩意儿叫 MQ?](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495324&idx=1&sn=e279accf137344cb7c9c1b1d37bb8b7f&chksm=c0e83674f79fbf62213ce336b4491ef09ecc814c78ae21b9abb5e1dc3432e4b8d3fbbd2150df&token=375542673&lang=zh_CN#rd

)

- [面罩逆袭：RocketMQ二十三问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495003&idx=2&sn=a3fe5ad9f9bb796809c504f5530f73ca&chksm=c0e835b3f79fbca50d315bcc1f016c5dc2e8243d4e455e3bc11c167c9d4bb64bccaf82ace0c4&token=375542673&lang=zh_CN#rd

)

- [聊聊MQ](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494604&idx=1&sn=cd88707561b207a7ffb14035304cff94&chksm=c0e83324f79fba327ca849a12aafa2758f756374b50f2c8fe903ba17539cc64abb89fab0c324&token=375542673&lang=zh_CN#rd

)

- [2万字详解，吃透 ES](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494076&idx=1&sn=9f12b582de47c6498c9b4fe9f9c3a5b4&chksm=c0e83154f79fb842d48af05fb70a4f6d81513c54f9c3c0ec0659e048bc960768b7fe3eaa88c5&token=375542673&lang=zh_CN#rd

)

- [Kafka夺命连环15问，你能扛到几问？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493392&idx=1&sn=4bb144ce6ad277d5f5343f22dc666774&chksm=c0e83ff8f79fb6ee55e450caf2197ca9075b9825f74e259ced4f72a9c62059314ca36a9254f1&token=375542673&lang=zh_CN#rd

)

- [我读了kafka源码后发现...](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247492759&idx=1&sn=028a59e9f3debe23b7af05a5c1c2c5b1&chksm=c0e83c7ff79fb5696c923c904b058e3bfd5d0c9fdd8de1a3714a39eb1cf1125f4aa715c6f10e&token=375542673&lang=zh_CN#rd

)

- [阿里二面: Kafka 到底会不会丢数据？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491709&idx=1&sn=bb59522f2edca71dbb5c0b6283eb4975&chksm=c0e83895f79fb18364d3f74b3881310cc863ff2f27ecab7af81d19fad6e84e0346f0119dc727&token=375542673&lang=zh_CN#rd

)

- [Kafka性能篇：为何Kafka那么"快"？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491510&idx=1&sn=a7d5b0609295e319c3d2e96efd3fb6eb&chksm=c0ebc75ef79c4e48a9e8247a77bf3b45b6f3a835a45e3e85f5eea2a14cf1a5a7c6060adc5c65&token=375542673&lang=zh_CN#rd

)

- [六问 Kafka 为啥那么牛！](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491268&idx=1&sn=b9eb5ff0ed41a405b79aeacb70e860e5&chksm=c0ebc62cf79c4f3aca42da50507bba134bd6a86823d5e466ddc149a2e3dca464f2c587039cac&token=375542673&lang=zh_CN#rd

)

- [聊聊RabbitMQ](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496186&idx=1&sn=a5a6cb4336c1d115f601926059d1aa0c&chksm=c0e82912f79fa0043492490ba328b500949d91a0b96c56c95ef6e7f6cd652894ee7a3e1b7620&token=1121830644&lang=zh_CN#rd

)

- [阿里二面：什么是mmap？](https://mp.weixin.电话.com/s/Yfjiq90iG6KKuEKMSVy5oQ

)

- [18张图带你搞透Kafka的存储架构](https://mp.weixin.电话.com/s/6jQcrInoJakDj9O-2Ct2SQ

)

- [Kafka 连环20问](https://mp.weixin.电话.com/s/DM3z8aM0CqAzWGwXEIzBhQ

)

- [7张图揭晓RocketMQ存储设想的精华](https://mp.weixin.电话.com/s/7szWAxW3Huog5lnHTCgn2w

)

- [RabbitMQ、RocketMQ、Kafka 三元归一](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496933&idx=1&sn=c92d226f2e5ec3be467e3c5715967005&chksm=c0e82c0df79fa51bfeaffbd14d732ad03a9235a59a46fc6b428cbbe401883e51cce4481ce893&token=1780081529&lang=zh_CN#rd

)

## 缓存系列

- [烂大街的缓存穿透、缓存击穿和缓存雪崩，你实的懂了？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491225&idx=1&sn=bfb14f28911efaa6e3a615870fff9a5c&chksm=c0ebc671f79c4f6718a63bbec91d79a4b05e1dd2a7c00ed9bf6a9f582abd4c6e5c870148ff89&token=426403078&lang=zh_CN#rd

)

- [Redis夺命52连问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495318&idx=1&sn=a2e2c5a7b6c7c08c11f4f12b5451f19c&chksm=c0e8367ef79fbf6863265b653f765eb48cff038426d3273c3ed90283cc7d100e991fdaf8b6b7&token=375542673&lang=zh_CN#rd

)

- [一口气说出 Redis 16 个常见利用场景](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493095&idx=1&sn=1a4ab9947a32180d465c671e23b399b0&chksm=c0e83d0ff79fb41947a4153750d175b8225611ee4ac5a6cbdfc12d2574cd0f320da88d1ee1b2&token=375542673&lang=zh_CN#rd

)

- [Redis夺命16问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493072&idx=1&sn=cf333d349c620eca21d4aa8ef6981d98&chksm=c0e83d38f79fb42edae42afef6c82585a47b146a11c7ab20609fe12b731c26fa004a6339e8a6&token=375542673&lang=zh_CN#rd

)

- [聊聊缓存](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247492975&idx=1&sn=52c9004b554fcdccee12a8aae339c216&chksm=c0e83d87f79fb49172fb5a7812e3f837ee8a3bba8d4db0eb62625569f7b264665a76186fa59f&token=375542673&lang=zh_CN#rd

)

- [聊聊Redis性能优化的13个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491718&idx=1&sn=c632f38b4357e2e4e2b9c580cfcd39bb&chksm=c0e8386ef79fb1787f11522ec2e07c1bec79bf042eb6945878086e5de1b8b0999a2767f653bb&token=375542673&lang=zh_CN#rd

)

- [腾讯二面：Redis 事务撑持 ACID 么？](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490960&idx=1&sn=c2418b1820cf06a14460d2ef5e5508d4&chksm=c0ebc578f79c4c6e93d348cbd6e27097908a507ba6af7ef13d02fc8746ce44464e935fc493e3&token=375542673&lang=zh_CN#rd

)

- [聊聊Redis的9种数据类型](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495654&idx=2&sn=3b1d57f93ba722d24b504eb0dc1b9121&chksm=c0e8370ef79fbe1860537c341a6a6749f83a1dee1fbca99dd26f393354bac7d1c41ad7cc8070&token=1502528170&lang=zh_CN#rd

)

- [聊聊Redis内存优化的7个神技](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496151&idx=1&sn=bcef0cb1c1e6ab5ffc7ce36915940728&chksm=c0e8293ff79fa029f60f3d22bef5cbc5fcb5eb70ba519990a13a5de0a6aa705992f380246e1b&token=1121830644&lang=zh_CN#rd

)

## 线上问题

- [散布式下的区域问题，让我们大战了300回合](https://mp.weixin.电话.com/s/pdiJayi-ab0glJly9oJNjw

)

- [消费情况一次诡异的NPE问题，反转了4次](https://mp.weixin.电话.com/s/tHCQHOXSol7Eiu8kdLBAQw

)

- [一次 MySQL 误操做招致P0级变乱](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495705&idx=1&sn=89241040fa9741306d5311d3dabf0b04&chksm=c0e828f1f79fa1e7ca937d318735713d5431a8ac2f8b32e8fb1b7f0e0bdd675da2025e8906df&token=375542673&lang=zh_CN#rd

)

- [复盘一团线上Redis缓存雪崩变乱...](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493113&idx=1&sn=f456deed6a4a9221ace97b0358151c6e&chksm=c0e83d11f79fb407dfa7ec79376431dc687db99fdf45704ba90b9b3dfebaa8a0c0a28bffe3ca&token=375542673&lang=zh_CN#rd

)

- [一团线上变乱，我顿悟了异步](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496248&idx=2&sn=1636195a613aadc5e3ba4c4ec1ccddfc&chksm=c0e82ad0f79fa3c617cd326e990cf6f8d3fec57ab172db7ad9faf412f0addc9730c4c6220ba9&token=1508828007&lang=zh_CN#rd

)

- [记一次dubbo内存泄露排查履历](https://mp.weixin.电话.com/s/SnqIUHP-h电话BQnWItaQLwQ

)

## 多线程

- [ThreadLocal夺命11连问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494889&idx=1&sn=db15e438326c8e297eef739ec190971b&chksm=c0e83401f79fbd17143734d5dbb509f020553772e162d5895de8c8039d79a3cff8633bcf4bb8&token=375542673&lang=zh_CN#rd

)

- [聊聊并发编程的10个坑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247492962&idx=1&sn=17ed1d2ed950b4e9160218b296d19d4e&chksm=c0e83d8af79fb49cc72fcafc8ed62822263106e54675ea8406a2e3daadb44e25364275af9082&token=375542673&lang=zh_CN#rd

)

- [聊聊并发编程的12种营业场景](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494369&idx=1&sn=62d1c663b6fc9f32ad305279fb0886d2&chksm=c0e83209f79fbb1f262f4358d0e3076594c721f084695555ddebae9a02526ab61c754cad7fe6&token=375542673&lang=zh_CN#rd

)

- [聊聊包管线程平安的10个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495411&idx=1&sn=c1db691bd863dea25a42d926b53a659e&chksm=c0e8361bf79fbf0dde2ffe1f6a3a3d36c51bf94827a3d4efe4957ace73b5fc3be2d7a39baa3d&token=375542673&lang=zh_CN#rd

)

- [聊聊ConcurrentHashMap](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495333&idx=1&sn=6565f709801688dcbc4883ae2272ec23&chksm=c0e8364df79fbf5b605a31045b7ac77553cf4054c65e726720f48f0ec8ab42d1890742f726ea&token=375542673&lang=zh_CN#rd

)

- [聊聊锁](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494904&idx=1&sn=29b55eefe05960e9ae049031bb57230b&chksm=c0e83410f79fbd06dc2c4dfd94a42c72e7f3ed5f4c27cdb5de73c2e7ad46103f46784ab080ff&token=375542673&lang=zh_CN#rd

)

- [深切分析ThreadLocal](./docs/多线程/深切分析ThreadLocal.md)

- [线程池更佳线程到底要若何设置装备摆设？](./docs/多线程/线程池更佳线程到底要若何设置装备摆设？.md)

- [那8种包管线程平安的手艺你都晓得吗？](./docs/多线程/那8种包管线程平安的手艺你都晓得吗？.md)

- [聊聊AQS](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493017&idx=1&sn=ca149ae57fd0fdc2b84c9a5cfea2f867&chksm=c0e83d71f79fb46791c0f599c01a098577e1b9274dfbcf81618f1d2aed6ba40915795ed243b4&token=375542673&lang=zh_CN#rd

)

- [聊聊Java中那18 把锁](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491700&idx=1&sn=6ad0512fb2874b4e4a7da006bbbf0a61&chksm=c0e8389cf79fb18ac93255ab2029b60f779557d2854c8943e4d809ba2d32021f0bf8cd4f304a&token=375542673&lang=zh_CN#rd

)

- [聊聊伪共享](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496114&idx=1&sn=5c87b3bfd4db6cd5b5aa3020b6b97383&chksm=c0e8295af79fa04c179b319ce7304d4a795b7fe175256ed7634abcdfe487221eb0ea41966673&token=1502528170&lang=zh_CN#rd

)

- [面试官一个线程池问题把我问懵逼了](https://mp.weixin.电话.com/s/1OwV4NdMmt3Jhf8BgvFYWw

)

- [当Synchronized碰到那玩意儿，有个大坑，要留意！](https://mp.weixin.电话.com/s/PV7sRUVYbNjV_BpZYS0qzg

)

- [JAVA并发十二连招，你能接住吗？](https://mp.weixin.电话.com/s/asVIrMWDJkBPojdRRZnKzQ

)

- [看起来是线程池的BUG，但是我认为是源码设想不合理。](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496479&idx=2&sn=c7c1318578a3e227921eacb7a84f2f74&chksm=c0e82bf7f79fa2e1209052272e57554cb59f74263d16ac04cf088cf4cf54298d25ebfac85c77&token=1690710950&lang=zh_CN#rd

)

- [聊聊异步编程的 7 种实现体例](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496908&idx=1&sn=79ec332b4e5d390ce103b0cb15b5a0b0&chksm=c0e82c24f79fa5323bff7f2144190e272f849435a408148bc41107085ac8c7c26066d4b8baed&token=1780081529&lang=zh_CN#rd

)

- [麻了，代码改成多线程，竟有9大问题](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497280&idx=1&sn=16987a9419dc19f82f27f43523af0751&chksm=c0e82ea8f79fa7be6367189470168c0d45bfd52302b1fba873aec39c81949ba2f883d37d9336&token=1106409335&lang=zh_CN#rd

)

## JVM系列

- [聊聊JVM](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495919&idx=1&sn=71010d91e376270afc31bbe61c8326aa&chksm=c0e82807f79fa111d7c339832f48c9542d5fc1540c1a619c1a3281040fc1631616e016d0dc36&token=1502528170&lang=zh_CN#rd

)

- [聊聊JVM内存规划](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493279&idx=1&sn=5de4a1eecd81911740d9b9fa03d25eb3&chksm=c0e83e77f79fb7611fe980aaf071cf6b62edf18ed5360bfd9ce204437a3e261546d9598cade4&token=1121830644&lang=zh_CN#rd

)

## netty系列

- [聊聊Netty那些事儿](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491897&idx=1&sn=f46c85ca6c3ac27803c67503eccc3484&chksm=c0e839d1f79fb0c7ffa9a44e20dc027ad4e8f32773e35d1f262ad19440e27bb94931f50b6de8&token=375542673&lang=zh_CN#rd

)

- [今天给Netty奉献了一波源码](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495776&idx=1&sn=b0c4f85727f2567b4ab64f1f5b12eac0&chksm=c0e82888f79fa19e9b80efe10e25e240f8f51d75105ac893d2018f801beeb0242bc2a1a9c4d9&token=375542673&lang=zh_CN#rd

)

## 东西系列

- [吐血保举17个提拔开发效率的“轮子”](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247495296&idx=1&sn=6ff4affb2d00dce011c08d8eb5448d7a&chksm=c0e83668f79fbf7ead1410a998f4d4406badd65f943ca1b6833a7b1d663d5d5d0808e4c462e4&token=375542673&lang=zh_CN#rd

)

- [干掉visio，那个画图神器实的绝了！！！](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491053&idx=1&sn=f21b5669a98721aeba3a91c85f298b7c&chksm=c0ebc505f79c4c137c742b657e97834c563527ce4601348621ef5326e678c36427b7d9ed195d&token=426403078&lang=zh_CN#rd

)

- [保举几个在线文档生成神器](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490261&idx=1&sn=174bac016abb19497fb35a7aea19ac77&chksm=c0ebc23df79c4b2b3538612ac99a89ab8d8ff13c08107ab61d7fdac5a7a15bf855bae1481415&token=751314179&lang=zh_CN#rd

)

- [那11款chrome神器，用起来爽到爆](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490317&idx=1&sn=5f8e86158b571c3d3f3e84e7422a58ce&chksm=c0ebc3e5f79c4af37ebf32b2a1e83662ee2af57b2292ee19533328ee51f63f61d51a7a198a99&token=751314179&lang=zh_CN#rd

)

- [阿里开源的10个神级项目](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490438&idx=1&sn=e05695e2293c2dd5e5f31ef9d4a11a7b&chksm=c0ebc36ef79c4a78b99c6ff6b56e40266685fcadbeb967b39d1533f83591ad07b84510f7f705&token=751314179&lang=zh_CN#rd

)

- [如许写代码，实是帅到没有伴侣](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490293&idx=1&sn=2d146162543cddc91d16fe51fecb930c&chksm=c0ebc21df79c4b0b9f0708f614cc45638a67a292ea427abd8c83729d9009d21d8487b7627c56&token=751314179&lang=zh_CN#rd

)

- [那个神器让我工做效率提拔了数倍](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490362&idx=1&sn=50fd23b98926d1d4d3d7e901b7671da0&chksm=c0ebc3d2f79c4ac4f0af88aae9a095e310f09135add98c949ec00ef7f011e46adf1797b52b57&token=751314179&lang=zh_CN#rd

)

- [那个神器让我的代码bug少了一半](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490250&idx=1&sn=bf92cd67ea7d271a40e86953da87726d&chksm=c0ebc222f79c4b3427641bdafc3cc54f5fafc949dc98be7f2899cb0fd33c4474486696e8bfa5&token=751314179&lang=zh_CN#rd

)

- [用代码画时序图！YYDS](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497299&idx=1&sn=7ed248522600cb14e9ec609226cb0167&chksm=c0e82ebbf79fa7ad49b95887e5a3365cddf04219f85429e32283842b4c4a3cc35952fd874bcb&token=1106409335&lang=zh_CN#rd

)

## 系统设想

- [红包雨：Redis 和 Lua 的奇奥相逢](https://mp.weixin.电话.com/s?__biz=MzIyNTYzNDE5MQ==&mid=2247504090&idx=1&sn=cb3c72842390ee6fef950b1f80c56b40&chksm=e87e223adf09ab2cf3c4ffc5c0c587fc08e7c5ddce38f2880918f163a793d80813585c157032&token=1495241346&lang=zh_CN#rd

)

- [权限系统就该那么设想，yyds](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497097&idx=1&sn=4225f4fe59f2d77d0f3686009bab48ae&chksm=c0e82d61f79fa477ec30cf750aef113fa872a8962821eb782a70419c8b842d7b65e85718e427&token=1495241346&lang=zh_CN#rd

)

## 设想形式

- [单例形式，实不简单](./docs/根底/单例形式，实不简单.md)

- [聊聊工做中必用的6种设想形式](https://mp.weixin.电话.com/s/H-OurMV7I6g5EqW_MIaOww

)

## 根底常识

- [java中那些让你傻傻分不清晰的小细节](./docs/根底/java中那些让你傻傻分不清晰的小细节.md)

- [苍茫了，我们到底该不应用lombok？](./docs/根底/苍茫了，我们到底该不应用lombok？.md)

- [为什么收集 I/O 会被阻塞？](https://mp.weixin.电话.com/s/7mT9lZNCtpPe4xEfu9s5xQ

)

- [聊聊Java中代码优化的30个小技巧](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496758&idx=1&sn=ca7ad0708b1349c5bafadb96adb56170&chksm=c0e82cdef79fa5c88b9861aa9953a6178f10bcd5151c51824d1a61856eff0dd21674335975ce&token=1581341365&lang=zh_CN#rd

)

## 收集

- [断网了，还能ping通 127.0.0.1 吗？](https://mp.weixin.电话.com/s/n9gTRLgw_tnVl90zywrdcg

)

- [HTTP/3发布了](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496895&idx=1&sn=a3d100d7f6d4b67f691f1b19e7f07b1e&chksm=c0e82c57f79fa54148f4f912a7db751236d27dd8452fc0affd818cc6d8825b3a01ec8a44ea72&token=1446978876&lang=zh_CN#rd

)

- [输入 xxxhub 的背后到底发作了什么?](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496772&idx=1&sn=6f73c91c982928c0e7e11a30ff92ec94&chksm=c0e82cacf79fa5ba1e67353fb78f205fea88557208332676cc89aa90ad7135fd5411666182b1&token=1446978876&lang=zh_CN#rd

)

- [既然有HTTP协议，为什么还要有RPC](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247497130&idx=1&sn=5bcc60dee03c1eae0043dd014c42677b&chksm=c0e82d42f79fa45409316e2d5a56b88ed332e54069e23a1d98558c65915fdc837f497b82ed8c&token=1650035797&lang=zh_CN#rd

)

## 踩坑日志

- [被本身坑了...](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493833&idx=1&sn=7ab5fc431fa1cf8c609a7315e5a5456c&chksm=c0e83021f79fb93729db528f0a19446d8c3e281b52cf2a919efec12c35b61ca7afb8062aa6f1&token=375542673&lang=zh_CN#rd

)

- [Objects.equals有坑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493176&idx=1&sn=c445625478a7f8122a6715b64fe6770c&chksm=c0e83ed0f79fb7c6cf2992d24e98f60fd78ca89525b5a3cc07f79dc801dd8e381b1fce03bf5c&token=375542673&lang=zh_CN#rd

)

- [消费情况一次诡异的NPE问题，反转了4次](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490345&idx=1&sn=cbbcb88678c487074d7516edcee64d01&chksm=c0ebc3c1f79c4ad73f05bf3eb6b2b652cb70b37e02bd24fc1d1078bfa7332d0e6581bd7ab133&token=660773166&lang=zh_CN&scene=21#wechat_redirect

)

- [散布式下的区域问题，让我们大战了300回合](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490339&idx=1&sn=15aed6615bfed74a0cb3572185525809&chksm=c0ebc3cbf79c4adda626d0cce8e8badee1192793569deca0f8ec9158ce22832c84dc79e73855&token=660773166&lang=zh_CN&scene=21#wechat_redirect

)

- [java中那些让你傻傻分不清晰的小细节](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490288&idx=1&sn=ba15d8f83186c2d0d66f24af413b49e3&chksm=c0ebc218f79c4b0ec8e3a6940c54fa2a385c2a724a9d2ea1acdf8187f1b0e96b4378348c0ed1&token=660773166&lang=zh_CN&scene=21#wechat_redirect

)

- [JDK有BUG！！](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494613&idx=1&sn=65be88d628980eaa77ded1305568f2ce&chksm=c0e8333df79fba2b77111b8345d15903d0976857d37f13d4efef27ab6040f950d9888df6297f&token=1121830644&lang=zh_CN#rd

)

- [Spring爆出致命破绽，赶紧修复！！！](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493469&idx=1&sn=937bdfe0b5e7558fb184eb7a128c1f6c&chksm=c0e83fb5f79fb6a30e944fc7672b7e0a300933ca9885c32fd61a1620afc3c378b2a079e670d8&token=1121830644&lang=zh_CN#rd

)

- [99%的Java法式员会踩的6个坑](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496369&idx=1&sn=c0824ac978d122e25aa30c9335a2973f&chksm=c0e82a59f79fa34f78ece0fcba184799d8dc3143e7ac5e0530d0771ef5e155116aa9aa74eb06&token=1508828007&lang=zh_CN#rd

)

那里有面试陈腔滥调文，面试实题，工做经历分享，踩坑日志，进修道路，还有小我生长履历等。

做者苏三浪迹过几家大厂，掘金优良创做者，阿里云专家博主，腾讯云年度潜力做者，CSDN万粉博主。

<a href="https://www.zhihu.com/people/qing-jiao-wo-da-chu-2" target="_blank"> <img src="https://img.shields.io/badge/%E7%9F%A5%E4%B9%8E-%E6%BD%9C%E5%8A%9B%E7%AD%94%E4%B8%BB-ef8b00

<a href="https://juejin.cn/user/465848661970824/posts" target="_blank"> <img src="https://img.shields.io/badge/%E6%8E%98%E9%87%91-%E4%BA%BA%E6%B0%94%E4%BD%9C%E8%80%85-ef8b00

<a href="https://blog.csdn.net/lisu061714112" target="_blank"> <img src="https://img.shields.io/badge/CSDN-%E5%8D%9A%E5%AE%A2%E4%B8%93%E5%AE%B6-ef8b00

- [苏三原创精品50篇](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494429&idx=1&sn=8038c3f100c73b9223755ccb80eea4ac&chksm=c0e833f5f79fbae3be32214d1e1234670511a754f8d0a7d86ce701a8a60bad9f397b798e2da1&token=1249303273&lang=zh_CN#rd

)

- [苏三原创精品30篇，实香。](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247490497&idx=1&sn=ebb80714930faca74e4e14de38437cf0&chksm=c0ebc329f79c4a3fa48eb46adb5895f8817af41d2231a57cac34965b8c94ca52d34fe599fa5a&token=1249303273&lang=zh_CN#rd

)

以下内容全数出自公家号：苏三说手艺，欢送存眷。

![](https://pic.imgdb.cn/item/62bf06e01d64b07066781ad4.jpg#pic_left

)

下面分享Java后端进修道路，后续会不竭持续更新。。。

![](https://pic.imgdb.cn/item/62c82558f54cd3f93756e811.png

)

## 高并发系列

)

- [并发情况下，先操做数据库仍是先操做缓存？](https://mp.weixin.电话.com/s/i1V34oH6_8WsTu0IpPuwqQ

)

## 散布式系列

)

- [聊聊10种延迟使命](https://mp.weixin.电话.com/s/m8xF8GQKi82wLF2kYNBumA

)

- [聊聊一致性hash算法](https://mp.weixin.电话.com/s/yy0Gmo_2fq4Mw9QEx4AfBg

)

- [Redis 散布式锁｜从青铜到钻石的五种演进计划](https://mp.weixin.电话.com/s/2xhjrkpZNaA6NH4MV0gz6A

)

- [比照 5 种散布式事务计划，仍是宠幸了阿里的 Seata](https://mp.weixin.电话.com/s/Uot4d_6ys9qmvnp2PrCXAw

)

## 高可用系列

)

## spring系列

)

## springboot系列

)

- [Spring Boot Admin，贼好使！](https://mp.weixin.电话.com/s/qglX8id8RRCB46D1SD82lw

)

## spring cloud

)

- [openFeign夺命连环9问](https://mp.weixin.电话.com/s/INJCuuW1chbosUEcsuSeAA

)

## spring cloud alibaba

)

- [OpenFeign的9个坑，每个都能让你的系统奔溃](https://mp.weixin.电话.com/s/g4r4uof8G3IRE7ngo2U_OQ

)

## 数据库系列

)

- [MySQL的redo log和bin log 实香](https://mp.weixin.电话.com/s/lA4cpJrG7ysek1monYqTgg

)

- [mysql十个核心常识点拿走不谢](https://mp.weixin.电话.com/s/zCR-bccW6aoNrVpwRTGBiw

)

- [MySQL为Null招致的5大坑](https://mp.weixin.电话.com/s/ES-cZBsawOR80JzUSR9LaA

)

## 中间件系列

)

- [阿里二面：什么是mmap？](https://mp.weixin.电话.com/s/Yfjiq90iG6KKuEKMSVy5oQ

)

- [18张图带你搞透Kafka的存储架构](https://mp.weixin.电话.com/s/6jQcrInoJakDj9O-2Ct2SQ

)

- [Kafka 连环20问](https://mp.weixin.电话.com/s/DM3z8aM0CqAzWGwXEIzBhQ

)

- [7张图揭晓RocketMQ存储设想的精华](https://mp.weixin.电话.com/s/7szWAxW3Huog5lnHTCgn2w

)

## 缓存系列

)

## 线上问题

- [散布式下的区域问题，让我们大战了300回合](https://mp.weixin.电话.com/s/pdiJayi-ab0glJly9oJNjw

)

- [消费情况一次诡异的NPE问题，反转了4次](https://mp.weixin.电话.com/s/tHCQHOXSol7Eiu8kdLBAQw

)

- [复盘一绺线上Redis缓存雪崩变乱...](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247493113&idx=1&sn=f456deed6a4a9221ace97b0358151c6e&chksm=c0e83d11f79fb407dfa7ec79376431dc687db99fdf45704ba90b9b3dfebaa8a0c0a28bffe3ca&token=375542673&lang=zh_CN#rd

)

- [一绺线上变乱，我顿悟了异步](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496248&idx=2&sn=1636195a613aadc5e3ba4c4ec1ccddfc&chksm=c0e82ad0f79fa3c617cd326e990cf6f8d3fec57ab172db7ad9faf412f0addc9730c4c6220ba9&token=1508828007&lang=zh_CN#rd

)

- [记一次dubbo内存泄露排查履历](https://mp.weixin.电话.com/s/SnqIUHP-h电话BQnWItaQLwQ

)

## 多线程

)

- [深切分析ThreadLocal](./docs/多线程/深切分析ThreadLocal.md)

- [线程池更佳线程到底要若何设置装备摆设？](./docs/多线程/线程池更佳线程到底要若何设置装备摆设？.md)

- [那8种包管线程平安的手艺你都晓得吗？](./docs/多线程/那8种包管线程平安的手艺你都晓得吗？.md)

)

- [面试官一个线程池问题把我问懵逼了](https://mp.weixin.电话.com/s/1OwV4NdMmt3Jhf8BgvFYWw

)

- [当Synchronized碰到那玩意儿，有个大坑，要留意！](https://mp.weixin.电话.com/s/PV7sRUVYbNjV_BpZYS0qzg

)

- [JAVA并发十二连招，你能接住吗？](https://mp.weixin.电话.com/s/asVIrMWDJkBPojdRRZnKzQ

)

## JVM系列

)

## netty系列

)

## 东西系列

)

## 系统设想

)

## 设想形式

- [单例形式，实不简单](./docs/根底/单例形式，实不简单.md)

- [聊聊工做中必用的6种设想形式](https://mp.weixin.电话.com/s/H-OurMV7I6g5EqW_MIaOww

)

## 根底常识

- [java中那些让你傻傻分不清晰的小细节](./docs/根底/java中那些让你傻傻分不清晰的小细节.md)

- [苍茫了，我们到底该不应用lombok？](./docs/根底/苍茫了，我们到底该不应用lombok？.md)

- [为什么收集 I/O 会被阻塞？](https://mp.weixin.电话.com/s/7mT9lZNCtpPe4xEfu9s5xQ

)

## 收集

- [断网了，还能ping通 127.0.0.1 吗？](https://mp.weixin.电话.com/s/n9gTRLgw_tnVl90zywrdcg

)

## 踩坑日志

)

## 其他

- [我的公家号万粉之路](./docs/其他/我的公家号万粉之路.md)

- [我的第一个10万](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247491128&idx=1&sn=9b35640a5a5e1b26ef9d95b1cbc0d710&chksm=c0ebc6d0f79c4fc638686cffb25efa4926229517331d299b0ea2054fb0fe398289b0c8bc0f9a&token=1866170951&lang=zh_CN#rd

)

- [末于破100万了](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494216&idx=1&sn=f27c229c82392ff3fa7bb0a709b498a9&chksm=c0e832a0f79fbbb6027bc78ffcae993fd9f54cbc9647334e38aab8d3337d4bfeabff4391cc4e&token=375542673&lang=zh_CN#rd

)

- [群](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247496031&idx=1&sn=c88b3a9996e43bdb1e00eb18dcd8201b&chksm=c0e829b7f79fa0a1d675d514629df8ecfe0e48b8ddcbf9f2eb33d603d1e1e2cb4ad2854f7113&token=1121830644&lang=zh_CN#rd

)

## 面试实题

- [小厂面试10连问](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494055&idx=1&sn=6b76adbe4e2b384942a0f5a9a3d86f49&chksm=c0e8314ff79fb8591ad4f5f7b66ae244adbe79adab670f0eb83cbbc3001ed933bfcbcf32a1a7&token=1121830644&lang=zh_CN#rd

)

## 福利

- [我想进大厂面试材料.pdf](https://mp.weixin.电话.com/s?__biz=MzkwNjMwMTgzMQ==&mid=2247494448&idx=1&sn=f30d3aeed17ee21058b61c7f5166f6ac&chksm=c0e833d8f79fbace2fcf5a469a4d59140845ea6dd57a99b75ef5cbf041b85db3c381cf7c7b99&token=1121830644&lang=zh_CN#rd)

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如果你是一个 Java 面试官，你会问哪些问题？期待您的回复！

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如果你是一个 Java 面试官，你会问哪些问题？

如果你是一个 Java 面试官，你会问哪些问题？ 期待您的回复！

如果你是一个 Java 面试官，你会问哪些问题？期待您的回复！