Re: WIP: Fast GiST index build

From: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP: Fast GiST index build
Date: 2011-07-13 08:40:20
Message-ID: CAPpHfdsMMTHjMW_AFn4-seqspQacbmHTssnZ_JGQ-14bHKTwvg@mail.gmail.com
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Hi!

On Wed, Jul 13, 2011 at 12:33 PM, Heikki Linnakangas <
heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:

> Is it possible to switch to the new buffering method in the middle of an
> index build? We could use the plain insertion method until the index grows
> to a certain size (effective_cache_size?), and switch to the buffering
> method after that.

Yes, it seems to be possible. It also would be great to somehow detect case
of ordered data when regular index build performs well.

------
With best regards,
Alexander Korotkov.

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