| From: | Robert Klemme <shortcutter(at)googlemail(dot)com> |
|---|---|
| To: | Tatsuo Ishii <ishii(at)postgresql(dot)org> |
| Cc: | pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: pg_dump and thousands of schemas |
| Date: | 2012-05-31 13:38:35 |
| Message-ID: | CAM9pMnM9vLd8HiNCqeskMwij4MAEjSb76pKDRnnh=uRpL4U17A@mail.gmail.com |
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| Lists: | pgsql-hackers pgsql-performance |
On Thu, May 31, 2012 at 10:45 AM, Tatsuo Ishii <ishii(at)postgresql(dot)org> wrote:
> Just for record, I rerun the test again with my single-LOCK patch, and
> now total runtime of pg_dump is 113 minutes.
> 188 minutes(9.0)->125 minutes(git master)->113 minutes(with my patch).
>
> So far, I'm glad to see 40% time savings at this point.
I see only 9.6% savings (100 * (113/125 - 1)). What am I missing?
Cheers
robert
--
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/
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