CentOS jvm 查看当前java进程的启动参数

启动一个java

$ java -Xmx1G -jar jenkins.war

获得进程

[yeqiang@localhost ~]$ jps -lv | grep jenk
51152 jenkins.war -Xmx1G

查看启动参数

[yeqiang@localhost ~]$ jcmd 51152 VM.flags
51152:
-XX:CICompilerCount=3 -XX:InitialHeapSize=526385152 -XX:MaxHeapSize=1073741824 -XX:MaxNewSize=357564416 -XX:MinHeapDeltaBytes=524288 -XX:NewSize=175112192 -XX:OldSize=351272960 -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseParallelGC