Re: [HACKERS] Cutting initdb's runtime (Perl question embedded)

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От Andres Freund
Тема Re: [HACKERS] Cutting initdb's runtime (Perl question embedded)
Дата
Msg-id 20170413164132.3nhobp4z4wnnvhca@alap3.anarazel.de
обсуждение исходный текст
Ответ на Re: [HACKERS] Cutting initdb's runtime (Perl question embedded)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Cutting initdb's runtime (Perl question embedded)
Список pgsql-hackers
On 2017-04-13 12:13:30 -0400, Tom Lane wrote:
> Andreas Karlsson <andreas@proxel.se> writes:
> > Here is my proof of concept patch. It does basically the same thing as 
> > Andres's patch except that it handles quoted values a bit better and 
> > does not try to support anything other than the regproc type.
> 
> > The patch speeds up initdb without fsync from 0.80 seconds to 0.55 
> > seconds, which is a nice speedup, while adding a negligible amount of 
> > extra work on compilation.
> 
> I've pushed this with some mostly-cosmetic adjustments:

Cool.  I wonder if we also should remove AtEOXact_CatCache()'s
cross-checks - the resowner replacement has been in place for a while,
and seems robust enough.  They're now the biggest user of time.

- Andres



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