---

mysql-5.7.24-0ubuntu0.16.04.1

mysql_pool_test:bench(1000000, 8, pool, false). (20 pool size)

115116 ms 8695 req/sec

mysql_pool_test:bench(1000000, 16, pool, false). (20 pool size)

106428 ms 9433 req/sec

mysql_connection_test:bench(1000000, 8, false).

105910 ms 9523 req/sec

mysql_connection_test:bench(1000000, 16, false).

99096 ms 10101 req/sec

---

psql-9.5.14

epgsql_test:bench(1000000, 8, false).

117262 ms 8547 req/sec

epgsql_test:bench(1000000, 16, false).

96482 ms 10416 req/sec

pgapp_test:bench(1000000, 8, false). (20 pool size)

178114 ms 5617 req/sec

pgapp_test:bench(1000000, 16, false).

167532 ms 5988 req/sec