On Tue, Nov 10, 2009 at 8:00 AM, Laurent Laborde <kerdezixe@xxxxxxxxx> wrote: > > Desktop drive can easily do 60MB/s in *sequential* read/write. > We use high performance array of 15.000rpm SAS disk on an octocore > 32GB and IO is always a problem. How man drives in the array? Controller? RAID level? > I explain the problem : > > This server (doing wal archiving) is the master node of the > over-blog's server farm. > hundreds of GB of data, tens of millions of articles and comments, > millions of user, ... > ~250 read/write sql requests per seconds for the master > ~500 read sql request per slave. That's really not very fast. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
