Re: GIN index creation extremely slow ? - Mailing list pgsql-hackers

From Martijn van Oosterhout
Subject Re: GIN index creation extremely slow ?
Date
Msg-id 20060628092103.GA32530@svana.org
Whole thread Raw
In response to Re: GIN index creation extremely slow ?  (Teodor Sigaev <teodor@sigaev.ru>)
Responses Re: GIN index creation extremely slow ?  (Oleg Bartunov <oleg@sai.msu.su>)
Re: GIN index creation extremely slow ?  (Teodor Sigaev <teodor@sigaev.ru>)
List pgsql-hackers
On Wed, Jun 28, 2006 at 01:09:23PM +0400, Teodor Sigaev wrote:
> We tested gin with 5 millions records (but not a wikipedia's text, but with
> blog records which is usually mush shorter) and index creation time was
> near 8 hours on Dual Xeon 3.2, but we didn't try GiST. In other hand,
> creating GiST index on 0.5 millions emails took about 12 hours.
>
> That's why 7 minutes is very suspicious result.

Tom did commit a patch a while ago which made a huge difference in
index creation time for tsearch by changing one routine. I don't know
if it got backpatched, so it might be worth checking people are working
on the same version.

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

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