Hi Mr. John, 2010/1/26 John Lauro <john.lauro@xxxxxxxxxxxxxxxx>: > What does the following give: > uname -a uname -a: Linux squid 2.6.29.6 #4 SMP Thu Jan 14 21:00:42 BRST 2010 x86_64 Intel(R) Core(TM) i7 CPU @ 9200 @ 2.67GHz GenuineIntel GNU/Linux > While it's being slow, run the following to get some stats: > > vmstat 1 11 ;# Will run for 11 seconds > iostat -dx 11 ;# Will run for 11 seconds, install sysstat if not found I'll run these tonight. > My first guess is memory swapping, but could be I/O. The above should help > narrow it down. I thought that, but actually both top and free -m tells me the same thing: total used free shared buffers cached Mem: 7979 5076 2903 0 0 4144 -/+ buffers/cache: 931 7047 Swap: 3812 0 3811 Swap isn't even touched...even when slow. But if you think vmstat and iostat can help, I'll run them no problem. Thanks, Felipe Damasio