On Wed, Jul 24, 2013 at 03:01:20PM -0700, Golden Shadow wrote: > Thanks Amos, Eliezer and Markus for your replies! > > @Eliezer: The server has 2 X 2.7 GHz CPUs, each with 12 cores. Squid version is 3.3.7 compiled from source and I'm running only one squid worker. > > @Marcus: What is maximum process size that TLB can address? Is it tunable? My operating system is CENTOS 6.4 with Kernel 2.6.34.? The size of the TLB depends on the hardware. I can't explain in a few lines what a TLB does and what hugepages are so here is a good start: https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Performance_Tuning_Guide/s-memory-transhuge.html > @Amos: Please see my comments below: [deleted]