> > Hi, using ps, the return is: > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND > root 19724 0.0 0.0 2276 1056 ? S Apr03 0:00 /bin/sh > /usr/loca > > is the memory status related to slow response? > i've no idea which is the total process size, pls advise. thanks a lot. > > The total process size is reported under the column VSZ; which in your case is 2276. The part in memory is reported under the column RSS, which is 1056. This means you have a problem; total memory avail. can only handle half of SQUID code, which will make the squid process swapping, hence it will become slow. You need more physical memory. M.