Alexandre Correa disse na ultima mensagem: > after reading this email, i switched from aufs to diskd to see > performance of them under high load .. > > with aufs, squid never used more than 10% of cpu and response time is > very low (5ms to 150ms).. with diskd cpu usage goes to 50% +- and > median response time up to 900ms !! > > i´m running CentOS 5.0 with kernel 2.6.22, quad opteron 64 bits with > 4gb ram and hd are SAS 15.000 rpm > don't know anything about Centos but when a Quad Opteron does not handle the load you obviously have something wrong in your config, either squid or OS settings Michel ... **************************************************** Datacenter Matik http://datacenter.matik.com.br E-Mail e Data Hosting Service para Profissionais. ****************************************************