Hi, I made some tests, with and without Hyperthreading: with hyperthreading, on a dual-processor, top mentions a 25% load, and without, 50%, but computing time is exactly the same. Philippe -----Message d'origine----- De : pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general-owner@xxxxxxxxxxxxxx] De la part de Arnaud Lesauvage Envoyé : mercredi, 31. mai 2006 16:20 À : pgsql-general@xxxxxxxxxxxxxx Objet : Re: [GENERAL] PGSQL 7.4 -> 8.1 migration & performance problem Philippe Lang a écrit : > Hardware is much more powerful: intel server motherboard, dual-xeon > 3GHz, SCSI disks (raid 1), 4GB RAM. Do you need the hyperthreading ? Depending on your case, you might have better results with 2x3GHz thant 4x1.5GHz. -- Arnaud ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
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