NIO与IO、NETTY、HyStrix熔断机制

https://blog.csdn.net/guoshaogang/article/details/7231318
https://blog.csdn.net/qq_16628781/article/details/70532307
https://www.cnblogs.com/gaopeng527/p/4896783.html

自己总结：
java.io：读取输入流-写入输出流
java.nio:获取通道，通道直连

IO NIO
面向流 面向缓冲
阻塞IO 非阻塞IO
无 选择器
http://ifeve.com/java-nio-vs-io/

https://blog.csdn.net/yangfanend/article/details/55100327?locationNum=3&fps=1

https://www.jianshu.com/p/b9f3f6a16911

HyStrix熔断机制

https://blog.csdn.net/chunlongyu/article/details/53259014