#fsdb -R C size mean stddev pct_rsd
size: 1024
mean:  1496200
stddev:   284970
pct_rsd: 19.047

size: 10240
mean:  5028600
stddev:   601030
pct_rsd: 11.952

size: 102400
mean:  4921600
stddev:   309390
pct_rsd: 6.2863

#  | dbsetheader size bw
#  | /home/johnh/BIN/DB/dbmultistats size bw
#  | /home/johnh/BIN/DB/dbcol size mean stddev pct_rsd
#   | dbfilealter -R C
#  | dbroweval  '{ _mean = sprintf("%8.0f", _mean); _stddev = sprintf("%8.0f", _stddev);  }'
