Implementation and comparison of various socketchannel supported by Netty

The performance from low to High is as follows:

• Oiosocketchannel: Traditional, block-type programming.
• Epoll is automatically selected under Linux after Niosocketchannel:select/poll or EPOLL,JDK 7.
• Epollsocketchannel:epoll, Linux only, provides additional options.
• EPOLLDOMAINSOCKETCHANNEL:IPC mode, only the client, the service side in the same host situation, starting from 4.0.26 Support, see https://github.com/netty/netty/pull/3344.

For a detailed explanation of Unix domain sockets, refer to:

http://blog.csdn.net/guxch/article/details/7041052

For the vernacular interpretation of Epoll/poll/select, refer to:

https://my.oschina.net/dclink/blog/287198

Epoll usage and help manuals:

Http://man7.org/linux/man-pages/man7/epoll.7.html

Http://blog.chinaunix.net/uid-311680-id-2439723.html

Http://www.tuicool.com/articles/y6je2yf

Http://www.tuicool.com/articles/mQ3iAr

For more information about the time-out setting for connections in Epoll mode, refer to:

Http://stackoverflow.com/questions/6590531/how-do-i-implement-epoll-timeout

Implementation and comparison of various socketchannel supported by Netty