#
#  initialise small table...
#

$ pgbench -h /tmp -i -s 10
creating tables...
100000 of 1000000 tuples (10%) done (elapsed 0.10 s, remaining 0.94 s).
200000 of 1000000 tuples (20%) done (elapsed 0.21 s, remaining 0.85 s).
300000 of 1000000 tuples (30%) done (elapsed 0.31 s, remaining 0.71 s).
400000 of 1000000 tuples (40%) done (elapsed 0.40 s, remaining 0.59 s).
500000 of 1000000 tuples (50%) done (elapsed 0.49 s, remaining 0.49 s).
600000 of 1000000 tuples (60%) done (elapsed 0.59 s, remaining 0.39 s).
700000 of 1000000 tuples (70%) done (elapsed 0.68 s, remaining 0.29 s).
800000 of 1000000 tuples (80%) done (elapsed 0.77 s, remaining 0.19 s).
900000 of 1000000 tuples (90%) done (elapsed 0.86 s, remaining 0.10 s).
1000000 of 1000000 tuples (100%) done (elapsed 0.96 s, remaining 0.00 s).
vacuum...
set primary keys...
done.

#
#  readonly, 90 concurrent clients, 5 minutes run
#

$ pgbench -h /tmp -n -S -T 300 -c 90
transaction type: SELECT only
scaling factor: 10
query mode: simple
number of clients: 90
number of threads: 1
duration: 300 s
number of transactions actually processed: 6905843
tps = 23012.221067 (including connections establishing)
tps = 23044.131737 (excluding connections establishing)