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From: Gary Doades <gpd@gpdnet.co.uk>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: Strange Create Index behaviour
Date: Wed, 15 Feb 2006 21:47:46 +0000
Message-ID: <43F3A182.4010608@gpdnet.co.uk> (raw)
In-Reply-To: <19779.1140038874@sss.pgh.pa.us>
References: <43F38867.6010701@gpdnet.co.uk>
	<19510.1140036968@sss.pgh.pa.us>
	<19779.1140038874@sss.pgh.pa.us>

Tom Lane wrote:
> 
> So it sure looks like this script does expose a problem on BSD-derived
> qsorts.  Curiously, the case that's much the worst for me is the third
> in the script, while the shortest time is the first case, which was slow
> for Gary.  So I'd venture that the *BSD code has been tweaked somewhere
> along the way, in a manner that moves the problem around without really
> fixing it.  (Anyone want to compare the actual FreeBSD source to what
> we have?)
> 
> It's really interesting to see a case where port/qsort is radically
> worse than other qsorts ... unless we figure that out and fix it,
> I think the idea of using port/qsort everywhere has just taken a
> major hit.
> 

More specifically to BSD, is there any way I can use a non-BSD qsort for 
building Postresql server?

Regards,
Gary.



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