【JVM常用参数解析】

TODO
nohup bin/./ad-show-frequence-record-service26250 -server -Xmx4g -Xms4g -XX:MetaspaceSize=512m -Xss256k -server -Djava.security.egd=file:/dev/./urandom -XX:+HeapDumpOnOutOfMemoryError -XX:+DisableExplicitGC -XX:LargePageSizeInBytes=128m -XX:+UseG1GC -XX:MaxGCPauseMillis=80 -Xlog:gc*:file=/home/service/var/logs/qcxy4rupmcix/gc-26250S.log:tags,time,uptime,level:filecount=5,filesize=100m -Denv= -Dapp=ad-show-frequence-record-service -Ddubbo.application.name=ad-show-frequence-record-service -Ddubbo.protocol.port=26250 -Dinstance_id=qcxy4rupmcix -Dlog.level=error -Dbiz.type=6 -Dapp.type=1 -Dlog.base.dir=/home/service/var/logs -Dlog.stat.level=error -Dlog.galileo.level=error -Desa.servicekeeper.adapter.aop.websupport.enable=false -Dheracles.bootstrap.enabled=true -Dheracles_instance_group_enable=true -jar ad-show-frequence-record-service-0.0.1-RC15.jar >/dev/null 2>&1 &

XX:LargePageSizeInBytes : https://blog.51cto.com/aliapp/1325624
XX:MetaspaceSize
-Djava.security.egd=file:/dev/./urandom
-XX:+HeapDumpOnOutOfMemoryError
-XX:+DisableExplicitGC
-XX:+UseG1GC
-XX:MaxGCPauseMillis=80
Xlog:gc*:file=/home/service/var/logs/qcxy4rupmcix/gc-26250S.log:tags,time,uptime,level:filecount=5,filesize=100m

https://zhuanlan.zhihu.com/p/141669715