To find the top 10 CPU-consuming processes
# ps -e --sort=-pcpu -o pid,pcpu,comm
# ps -e --sort=-pcpu -o pid,pcpu,comm | head -n <noumber>
# ps -eo pid,comm,%mem,%cpu --sort=-%cpu | head -n <number>
To find the top 10 memory-consuming processes
# ps -e --sort=-pmem -o pid,pmem,comm
# ps -e --sort=-pmem -o pid,pmem,comm | head -n <number>
# ps -eo pid,comm,%mem,%cpu --sort=-%mem | head -n <number>
To find the uptime of the process
# ps -eo comm,lstart,etime,user
# ps -eo comm,lstart,etime,user | grep -i <service-name>
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