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:CMSFullGCsBeforeCompaction = 0 -XX:+ CMSParallellnitialMarkEnable -XX:+ CMSScavengeBeforeRemark -XX:+ DisableExplicitGC -XX:+ PrintGC详细信息-Xloggc:gc.log -XX:+ HeapDumOnOut