> What do the squid/kernel logs say? Squid log: nothing. Kernel log: Only strange things I see are messages about 'shrinking window', but no timestamp is given for those... > Doesn't squid wipe the cache at that time? No, it just accepts connections really slow for some time. > isn't there some kind of flood onto your server? > (what does netstat say at such time?) Less connections, as far as I can see. Joost
