Oftentimes when we write code, we have to measure the performance of our code - how much CPU and memory resources does it use? top and ps are frequently used.

I recently was tasked with measuring network throughput, which is when I came across the sar command for System Activity Report. It’s also known as sysstat.

To measure network throughput in 1-second intervals over a period of 10 seoncds:

sar -n DEV 1 10