Tomcat运行配置 JAVA_OPTS="$JAVA_OPTS -server -Xms6144m -Xmx6144m -XX:PermSize=512m -XX:MaxNewSize=1024m -XX:MaxPermSize=2048m -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit -Djava.awt.headless=true"