Monitoring Linux

The main monitoring four indicators: cpu mem io load average (load)

Use the top command to view:

1. cpu

• user

• system

2. load average (load)

• Number within a period of time, cpu cpu is being processed + waiting and treatment process

• 1 minute, 5 minutes, 10 minutes 

• General concern 5 minutes, 10 minutes

• Ideal laod average <cpu number of audit * 0.7 *

• cpu个数：grep 'physical id ' /proc/cpuinfo | sort -u

• 核数：grep 'core id ' /proc/cpuinfo | sort -u | wc -l