比较通用的模板以4核8G机器为例子'-Xms4096M -Xmx4096M -Xmn3072M -Xss1M -XX：MetaspaceSize = 256M -XX：MaxMetaspaceSize = 256M -XX：+ UseParNewGC -XX：+ UseConcMarkSweepGC -XX：CMSInitiatingOccupancyFaction = 92 -XX：+ useCMSCompactAtFullCollection -XX：CMSFullGCsBeforeComp