Both your CPU and disk both look ok based on these, and not enough difference from baseline to explain the change in timing of the command. I'll look at the netstats a little more later to see if I spot anything. Can you test the equivalent outside of squid? Maybe it's just your internet or amazon being slow and it has nothing to do with squid...? > -----Original Message----- > From: Felipe W Damasio [mailto:felipewd@xxxxxxxxx] > Sent: Wednesday, January 27, 2010 4:55 PM > > Attached are the files you asked for: > > iostat -dx 1 11 > vmstat 1 11 > netstat -s > > Both with a baseline (ie, at a non-troubled time :-)), and at a > moment of pressure. > > On the baseline, "/usr/bin/time squidclient http://www.amazon.com"; > took 0.03s, and on the pressure files, the same command took around 4 > seconds. > > Just so you know, sda is the system, and sdb is exclusively for squid > cache. > > Does these numbers indicate that I/O operations might be the > bottleneck of the slowdown? > > Thanks, >
