FreeBSD 10 and PostgreSQL 9.3 scalability issues

Steven Hartland killing at
Tue Mar 18 11:47:53 UTC 2014

----- Original Message ----- 
From: "Petr Janda" <janda.petr at>

> Hi guys,
> Just want to share these pgbench results done by DragonFlyBSD, and would
> like some input on why these numbers look so bad and what can be done to
> improve (ie. kernel tunables etc) the performance.

Do you have the ability to test with FreeBSD 8.x and 9.x to see if this is

Also you don't mention the FS used in each case, so I'm wondering if you
used a ZFS install of FreeBSD which could help to explain things.


More information about the freebsd-performance mailing list