From: | Greg Smith <gsmith(at)gregsmith(dot)com> |
---|---|
To: | pgsql general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Linux v.s. Mac OS-X Performance |
Date: | 2007-11-30 23:15:27 |
Message-ID: | Pine.GSO.4.64.0711301747030.3906@westnet.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On Fri, 30 Nov 2007, Guido Neitzer wrote:
> Actually - In our test if just used with a similar load as pgbench (e.g.
> typical web applications) Mac OS X 10.4.7 performed better then Yellow Dog
> Linux (I was testing with G5 hardware) on the same hardware as soon as more
> than about 90 concurrent clients were simulated.
At this point, that's just an interesting historical note. Yellow Dog is
not a particularly good Linux compared with the ones that have gotten
years worth of performance tuning for Intel/AMD processors. And you
really can't extrapolate anything useful today from how it ran on a
G5--that's two layers of obsolete. The comparisons that matter now are
Intel+Mac OS vs. Intel+a popular Linux aimed at servers.
As an unrelated note, I'm curious what you did with pgbench that you
consider it a reasonable similation of a web application. The default
pgbench transaction is very write-heavy, and the read-only option
available is way too simple to be realistic. You'd need to pass in custom
scripts to execute to get something that acted like a web app. pgbench is
an unruly tool, and there's many ways to run it that gives results that
aren't so useful.
--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD
From | Date | Subject | |
---|---|---|---|
Next Message | Greg Smith | 2007-11-30 23:20:52 | Re: Linux v.s. Mac OS-X Performance |
Previous Message | Martijn van Oosterhout | 2007-11-30 21:55:39 | Re: Record variable not behaving as expected (bug?) |