tomcat and server configuration for loadrunner test

tomcat and server configuration
for loadrunner test
(逐渐缩小内存,减小minSpareThreads和maxSpareThreads)

(1) server.xml, maxThreads="500" minSpareThreads="400" maxSpareThreads="450"
(2) catalina.sh SET JAVA_OPTS=-Xms250m -Xmx250m -XX:PermSize=32m -XX:MaxPermSize=64m  -XX:NewSize=80m -XX:MaxNewSize=80m -XX:+UseConcMarkSweepGC -XX:+UseParNewGC
(3) spring maxActive:500