Re: pg_restore seems slow

From: "Gurjeet Singh" <singh(dot)gurjeet(at)gmail(dot)com>
To: "Willem Buitendyk" <willem(at)pcfish(dot)ca>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: pg_restore seems slow
Date: 2008-02-10 05:33:52
Message-ID: 65937bea0802092133x7c907e65m80f3259b45e9ed8a@mail.gmail.com
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On Feb 9, 2008 10:42 AM, Willem Buitendyk <willem(at)pcfish(dot)ca> wrote:

> I'm trying to restore my database from 8.26 into 8.3 (win32) but find
> the process to be exceedingly slow. The database has about 60M records.
> I realize there will be differences based on hardware, available memory,
> complexity of records but when I first tried a restore with the verbose
> option I was able to calculate based on the index incrementing that it
> was inserting about 6500 records per minute.
> At that rate it would take 153 hours to restore my db. I then tried
> minimizing the verbosity window and would open it only after a minute
> and the speed was improved to about 20000 records per minute. I'm
> hoping without the verbose option that the speed increases to at least
> 200000 records per minute which would be a fairly reasonable 5 hours.
> So is there any way besides using verbose to calculate the speed at
> which pg_restore is inserting records? It would be great to have a
> 'progress' option so that a person could time going out for a sail in
> the morning and then return at just the right time. Guess you know what
> I'd rather be doing instead of staring at the command prompt :)
>
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By any chance, are you using -d or -D option while doing pg_dump?

Best regards,
--
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