Hi people I have a server with redhat enterprise 5 Xeon 3.06 4 processors, 8Gb RAM and 160GB SAS disk, well I ran the command in linux "netstat -an |grep 3128| wc" and when arrives in 2500 connections, it is very slow. How can I improve performance, I changed from diskd to aufs and I don't get any performance, I changed RPM binary to compiled from the source too. Detais, i would like put in this server about 3000 - 4000 users. Thanks for advice Marcos