Shulou(Shulou.com)06/02 Report--

Four major subsystems of system tuning:

1. View the processes that use cpu the most in the system, top- > p

Ps-aux-- sort-pcpu | more

2. Find out the process top- > m that uses the most memory in the system.

Ps-aux-- sort-rss | more

3. Find the processes iostat and iotop that read and write the most to the disk.

Iostat-d-k-p / dev/sda

Iotop-o-d 2

4. Find the processes nload and nethogs that use the network most in the system.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.