Hello, I am using a customized Web Polygraph recipe based on polymix4 to benchmark Squid 2.7STABLE6. With Linux kernel 2.6.23.8 the benchmark indicates that our hardware will allow for approximately 1000 requests per second. When the kernel is switched to 2.6.28.5 the benchmark indicates a likely sustained request rate of 500-600 requests per second. A different, but much shorter, benchmark shows that Linux kernels 2.6.24 and 2.6.26 also support a lower request rate than 2.6.23.8. Has anyone else performed any benchmarks using different Linux kernel versions, or noticed a decrease in performance with more recent kernels? If so, are there any settings which need to be changed to bring performance back in line with 2.6.23 (or earlier kernels). Regards, Matthew -- Apps On The Move -- Applications for the iPhone and iPod Touch www.appsonthemove.com