With sar and iowait, we can get CPU time utilization. But, when I executed both commands, I could see significant differences in their outputs. > iostat && sar 1 1 Linux ...
I'm trying to understand what I see in iostat, specifically the differences between the output for md and sd devices. I have a couple of quite large Centos Linux servers, each with E3-1230 CPU, 16 GB ...
This is the result of iostat avg-cpu: %user %nice %system %iowait %steal %idle 13.65 0.00 9.98 3.86 2.22 70.29 Device: rrqm/s wrqm/s r/s w/s rkB/s ...