Could you run the unix command 'top' and figure out where your performance degradation is before you assume it is a database issue... "Toffy" <paolo.tofoni@xxxxxxxxx> wrote in message news:1157101232.837704.143860@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > Hi, > as i put Postrgesql and Mysql in the same server Linux (Fedora core 5), > is it possible that this configuration may cause a strong deceleration > of all system performace? >