> -----Mensaje original----- > De: pgsql-performance-owner@xxxxxxxxxxxxxx > [mailto:pgsql-performance-owner@xxxxxxxxxxxxxx] En nombre de cluster > Enviado el: Sábado, 30 de Agosto de 2008 07:21 > Para: pgsql-performance@xxxxxxxxxxxxxx > Asunto: Re: [PERFORM] Best hardware/cost tradoff? > > We are now leaning towards just buying 4 SAS disks. > > So should I just make one large RAID-10 partition or make two > RAID-1's having the log on one RAID and everything else on > the second RAID? > How can I get the best read/write performance out of these four disks? > (Remember, that it is a combined web-/database server). > Make a single RAID 10. It´s simpler and it will provide you better write performance which is where your bottleneck will be. I think you should minimize the web server role in this equation as it should mostly work on cached data.
