Tomcat 配置NIO的作用？

Question

如题，不太明白tomcat配置成NIO具体的作用体现在哪方面，配置如下：

<Connector port="8082" protocol="org.apache.coyote.http11.Http11NioProtocol"

希望各路大神能赐教下。

Answer 1

Tomcat8 官方文档中的比较如下：

	Java Blocking Connector BIO	Java Nio Connector NIO	Java Nio2 Connector NIO2	APR/native Connector APR
Classname	Http11Protocol	Http11NioProtocol	Http11Nio2Protocol	Http11AprProtocol
Tomcat Version	3.x onwards	6.x onwards	8.x onwards	5.5.x onwards
Support Polling	NO	YES	YES	YES
Polling Size	N/A	maxConnections	maxConnections	maxConnections
Read Request Headers	Blocking	Non Blocking	Non Blocking	Blocking
Read Request Body	Blocking	Blocking	Blocking	Blocking
Write Response Headers and Body	Blocking	Blocking	Blocking	Blocking
Wait for next Request	Blocking	Non Blocking	Non Blocking	Non Blocking
SSL Support	Java SSL	Java SSL	Java SSL	OpenSSL
SSL Handshake	Blocking	Non blocking	Non blocking	Blocking
Max Connections	maxConnections	maxConnections	maxConnections	maxConnections