> I think I did not say clearly. It is NOT application can use 4GB MAX. What I say is HARDWARE(server) HAVE 64gb ram OR 128 gb ram but O.S. only understand 16 GB. That was clear from the beggining. With that amount of RAM you should really use a 64 bit OS. Otherwise, you will be doing a disservice to yourself... _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos