avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.780      0.000    433.050  17107.450      0.000   2250.690 
avg	     0.044      0.000      2.187     86.401      0.000     11.367 
stddev	     0.059      0.000      0.732      4.248      0.000      4.233 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	190112.660  15321.130   4542.100  26475.320 778617.040 6095097.480  94770.250   1463.830   9933.970    775.090  11037.440 
avg	   960.165     77.379     22.940    133.714   3932.409  30783.321    478.638      7.393     50.172      3.915     55.745 
stddev	  3364.572    173.677     89.433     47.454  13802.466   8400.352    130.547      5.689     41.540      2.508     30.533