#! /bin/sh
DB=test
pgbench -i -s 10 $DB
for i in 1 2 4 8 16 32 64 128 
do
	t=10
	echo $i concurrent users... 1>&2
	pgbench -t $t -c $i $DB
	psql -c 'vacuum' $DB
	psql -c 'checkpoint' $DB
	echo "===== sync ======" 1>&2
	sync;sync;sync;sleep 10
	echo "===== sync done ======" 1>&2
done
