Re: 7 hrs for a pg_restore?

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On 19-Feb-08, at 1:12 PM, Joshua D. Drake wrote:

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On Tue, 19 Feb 2008 13:03:58 -0500
Douglas J Hunley <doug@xxxxxxxxxxxxxxxxx> wrote:

I spent a whopping seven hours restoring a database late Fri nite for
a client. We stopped the application, ran pg_dump -v -Ft -b -o $db >
~/pre_8.3.tar on the 8.2.x db, and then upgrading the software to
8.3. I then did a pg_restore -v -d $db ./pre_8.3.tar and watched it
positively crawl. I'll grant you that it's a 5.1G tar file, but 7
hours seems excessive.

Is that kind of timeframe 'abnormal' or am I just impatient? :) If
the former, I can provide whatever you need, just ask for it.
Thanks!

7 hours for 5.1 G is excessive. It took me 11 hours to do 220G :). It
would be helpful if we knew what the machine was doing. Was it IO
bound? How much ram does it have? Is it just a single HD drive? What
are your settings for postgresql?

Yeah, I did a 9G in about 20min. Did you optimize the new one ?
Joshua D. Drake


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