tomcat gzip等配置
An example of a HTTP Connector configuration with compression enabled could be:
<Connector port="8080" protocol="HTTP/1.1" maxHttpHeaderSize="8192" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="false" useSendfile="false" compression="on" connectionUploadTimeout="60000" compressionMinSize="2048" noCompressionUserAgents="gozilla, traviata" compressableMimeType="text/html,text/xml"/>
compressableMimeType="text/html, text/xml, text/javascript, application/javascript, application/json"
compressableMimeType="text/html,text/xml,text/javascript, application/javascript, application/json,text/css,text/plain,image/png,image/jpg,image/gif"
http://stackoverflow.com/questions/16653642/tomcat-7-gzip-compression-not-working
http://viralpatel.net/blogs/enable-gzip-compression-in-tomcat/
https://tomcat.apache.org/tomcat-7.0-doc/config/http.html
http://www.cnblogs.com/sunxucool/archive/2013/06/17/3140730.html