"Are the TPS numbers per pgbench? If so, then you're getting 10x490=4900 TPS system wide, or 20*280=5600 TPS system wide. " Per pgbench. Your explanation makes sense. thanks. -- View this message in context: http://postgresql.nabble.com/pgbench-and-scaling-tp5930891p5931131.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general