| From: | Greg Smith <greg(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Szymon Guz <mabewlun(at)gmail(dot)com>, PostgreSQL <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: strange |
| Date: | 2010-03-22 16:14:50 |
| Message-ID: | 4BA7977A.5030209@2ndquadrant.com |
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| Thread: | |
| Lists: | pgsql-general |
Tom Lane wrote:
> Szymon Guz <mabewlun(at)gmail(dot)com> writes:
>
>> I've got a simple query. When I use explain analyze it lasts 7 times slower.
>> Why?
>>
>
> You've got a machine where gettimeofday() is really slow. This is
> common on cheap PC hardware :-(
>
I'd be curious to know more about the hardware and operating system
Szymon is using if you suspect this is the case. I keep hearing about
systems where this is slow, but despite claims that they're common I've
never actually seen one.
--
Greg Smith 2ndQuadrant US Baltimore, MD
PostgreSQL Training, Services and Support
greg(at)2ndQuadrant(dot)com www.2ndQuadrant.us
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