rihad:
But what about Posix threads & Async IO? (./configure --enable-async-io=2 ...)? Don't they take advantage of multiple CPUs/cores/cache_dirs?
Yes Async-IO benefits from multi-cpu on disk IO, if you're using it.Squid's main daemon is a single process, that benefits nothing from SMP system.
-- Jeff Pang DingTong Technology www.dtonenetworks.com