What is the process that shows the highest memory and CPU usage in Linux and how to write SHELL scripts

This article shows you how to show the process with the highest memory and CPU usage in Linux and how to write SHELL scripts, which are concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Displays information about the ten processes with the highest CPU usage

# ps aux | head-1 | PS aux | grep-v PID | sort-rn-k + 3 | head

USER PID CPU MEM VSZ RSS TTY STAT START TIME COMMAND

Root 30222 5.0 3.8 10685936 38228? Sl Apr24 1453 log-file=/data/tidb/log/pd.log 59. / pd-server-data-dir=/data/tidb/pd-log-file=/data/tidb/log/pd.log-name=pd1

Root 23484 2.4 14.7 779468 147244? Sl Apr24 701 info 46. / tidb-server-L info-store=tikv-- path=/data/tidb/tidb-- path=127.0.0.1:2379-log-file=/data/tidb/log/tidb.log

Root 23415 2.0 10.1 1359044 101332? S