| From: | Greg Smith <gsmith(at)gregsmith(dot)com> |
|---|---|
| To: | |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Test lab |
| Date: | 2007-11-09 14:49:54 |
| Message-ID: | Pine.GSO.4.64.0711090931470.1537@westnet.com |
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| Lists: | pgsql-hackers |
On Sun, 4 Nov 2007, Stefan Kaltenbrunner wrote:
>> I never got the database tests in SysBench to produce useful results
>> [because of deadlocks]
>
> hmm I have not seen that and the recent freebsd related scalability
> benchmarks(http://people.freebsd.org/~kris/scaling/) seem to indicate
> that it seems to work quite well at least for some stuff.
After digesting those, I note that the FreeBSD tests were using
--oltp-read-only which doesn't do any database writes--so no ROW EXCLUSIVE
locks either. I was using things like the "complex" setting, and it was
the UPDATE statements in there that didn't work right when I last tested.
--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD
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