On Mon, Oct 29, 2012 at 5:11 PM, Catalin Iacob <iacobcatalin@xxxxxxxxx> wrote: > pgbouncer 1.4.2 installed from Ubuntu's packages on the same machine > as Postgres. Django connects via TCP/IP to pgbouncer (it does one > connection and one transaction per request) and pgbouncer keeps > connections open to Postgres via Unix socket. Isn't pgbouncer single-threaded? If you hitting it with tiny queries as fast as possible from 20 connections, I would think that it would become the bottleneck. Cheers, Jeff -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance