[yz@localhost ~]$ pgbench -p 7404 -c 10 -t 300 pgbench -r -f ./pgbench.sql
pgbench (14.1)
starting vacuum...end.
transaction type: test/pgbench.sql
scaling factor: 1
query mode: simple
number of clients: 10
number of threads: 1
number of transactions per client: 300
number of transactions actually processed: 3000/3000
latency average = 21.316 ms
initial connection time = 15.258 ms
tps = 469.132490 (without initial connection time)
statement latencies in milliseconds:
        19.980  select count(*) from pgbench_accounts;