mybatis:

http://www.jianshu.com/p/ec40a82cae28
http://www.cnblogs.com/hayasi/category/920416.html

多线程：

http://www.importnew.com/8542.html
http://www.importnew.com/10173.html
http://www.importnew.com/21781.html
http://blog.csdn.net/sjkldjflakj/article/details/51924684
http://ifeve.com/executor-framework-thread-pool-task-execution-part-02/
http://blog.csdn.net/yanyan19880509/article/details/52435135
http://www.cnblogs.com/xrq730/p/4979021.html
http://blog.csdn.net/defonds/article/details/44021605
http://www.importnew.com/20169.html
http://www.cnblogs.com/paddix/p/5405678.html
http://www.voidcn.com/blog/zbuger/article/p-5758949.html
http://www.cnblogs.com/paddix/p/5428507.html
http://www.roncoo.com/article/detail/129399
http://ifeve.com/reentrantlock-and-fairness/

JVM:

http://www.ityouknow.com/java/2017/03/01/jvm-overview.html

http://ifeve.com/jvm-optimize-1/

http://ifeve.com/java-concurrency-9-3-3/

http://ifeve.com/category/jvm/

http://yufenfei.iteye.com/blog/1746914

http://mm.fancymore.com/reading/java-interview-jvm-mode1.html

NIO:

https://tech.meituan.com/nio.html

http://blog.csdn.net/shimiso/article/details/24990499

http://www.importnew.com/1178.html

http://blog.csdn.net/suifeng3051/article/details/48160753

redis:

http://www.jianshu.com/p/ae2e43f7be19

mysql:

http://www.jianshu.com/p/f5ff017db62a

http://www.cnblogs.com/chenpingzhao/p/5041968.html

https://my.oschina.net/dongli/blog/56904

http://www.jianshu.com/p/249f2cd42692

https://segmentfault.com/a/1190000003072424

http://www.cnblogs.com/cyfonly/p/5616536.html

http://www.cnblogs.com/ggjucheng/archive/2012/11/07/2758058.html

http://www.jianshu.com/p/a935dd9edf04

http://blog.csdn.net/derrantcm/article/details/51534411

https://www.douban.com/note/345871485/

http://www.cnblogs.com/zhiqian-ali/p/5668199.html

http://www.infoq.com/cn/articles/summary-and-key-steps-of-vip-orders-depots-table

kafka:

https://www.ibm.com/developerworks/cn/opensource/os-cn-kafka/index.html

spring:

http://blog.csdn.net/u014079773/article/details/52453002

http://blog.csdn.net/LHQJ1992/article/details/52654114

http://www.importnew.com/19538.html

http://www.cnblogs.com/zrtqsk/p/3735273.html

设计模式：

http://www.jfox.info/java-23-zhong-she-ji-mo-shi-ji-ju-ti-li-zi.html

算法：

http://blog.csdn.net/feliciafay/article/details/6841115

http://blog.csdn.net/qy1387/article/details/7752973

http://www.cnblogs.com/maybe2030/p/4715035.html

http://benjaminwhx.com/2016/03/21/%E6%8E%92%E5%BA%8F%E7%AE%97%E6%B3%95%E4%B9%8B%E4%B8%80%E6%8F%92%E5%85%A5%E6%8E%92%E5%BA%8F-%E7%9B%B4%E6%8E%A5%E6%8F%92%E5%85%A5%E5%92%8C%E5%B8%8C%E5%B0%94%E6%8E%92%E5%BA%8F/

http://blog.csdn.net/han_xiaoyang/article/details/12163251

http://blog.csdn.net/v_july_v/article/details/6279498

TCP:

https://www.zhihu.com/question/24853633

https://hit-alibaba.github.io/interview/basic/network/TCP.html

http://collabedit.com/8ckpd