Re: building gist index on int[] field is terrible slow. Is it bug?

From: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
To: "Oleg Bartunov" <oleg(at)sai(dot)msu(dot)su>
Cc: "PostgreSQL Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: building gist index on int[] field is terrible slow. Is it bug?
Date: 2007-08-16 20:47:21
Message-ID: 162867790708161347i5e23121fy6dfc25a19bf169cb@mail.gmail.com
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2007/8/16, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>:
> On Thu, 16 Aug 2007, Pavel Stehule wrote:
>
> > Hello
> >
> > I tested contrib package intarray and gist support from this package.
> > I was surpirised. Index building needed lot of time.
> >
> > 10K fields .. 106sec
> > 20K f ..265 sec
> > 30Kf .. 450 sec
> > 50Kf .. 1283sec
> >
> > building gin index for 50K fields needed 0.5sec
>
> you probably need gist__intbig_ops
>

yes, it helps
thank you
Pavel Stehule

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