生产web应用java内存及回收配置

JAVA_OPTS="$JAVA_OPTS -server -Xms1g -Xmx1g -XX:NewSize=512m -XX:MaxNewSize=512m -XX:PermSize=256m -
XX:MaxPermSize=256m -Dfile.encoding=UTF-8 -XX:+AggressiveOpts -XX:+UseBiasedLocking -XX:+DisableExpl
icitGC -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFu
llCollection -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -Djava.awt.headless=true"