Re: Index creation takes for ever
От | ohp@pyrenet.fr |
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Тема | Re: Index creation takes for ever |
Дата | |
Msg-id | Pine.UW2.4.53.0309012157180.23297@server.pyrenet.fr обсуждение исходный текст |
Ответ на | Re: Index creation takes for ever (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Index creation takes for ever
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Список | pgsql-hackers |
Hi Tom, I've made some tests with your qsort and it DEFINITIVLY help ~3 mn instead of 69. However this is for 7.3.4 I've got no probs with 7.4b. Did something change in btree creation? On Mon, 1 Sep 2003, Tom Lane wrote: > Date: Mon, 01 Sep 2003 08:46:09 -0400 > From: Tom Lane <tgl@sss.pgh.pa.us> > To: ohp@pyrenet.fr > Cc: pgsql-hackers list <pgsql-hackers@postgresql.org> > Subject: Re: [HACKERS] Index creation takes for ever > > ohp@pyrenet.fr writes: > > it took 69 minutes to finish, 75% of this time was devoted to create 2 > > indexes on varchar(2) with value being 'O', 'N' or null; > > I wonder if it's a configuration matter. > > I still say it's either strcoll or qsort's fault. Try swapping in our > own version of qsort to see if the behavior changes. > > regards, tom lane > -- Olivier PRENANT Tel: +33-5-61-50-97-00 (Work) 6, Chemin d'Harraud Turrou +33-5-61-50-97-01 (Fax) 31190 AUTERIVE +33-6-07-63-80-64 (GSM) FRANCE Email: ohp@pyrenet.fr ------------------------------------------------------------------------------ Make your life a dream, make your dream a reality. (St Exupery)
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