command collection

1. The system command

jps
jps -q only displays pid
jps -l outputs the full package name of the main class of the application or the full path name of the jar file of the application
jps -m outputs the parameters passed to the main method
jps -v outputs the parameters passed to the JVM The parameters
jps -v | grep ${pid}

load average
are as follows:
load average: 0.02, 0.27, 0.17
The average load is less than the number of Cpus, generally based on the average load in 15 minutes.