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On Thu, 3 Nov 2005 09:35:57 +0000 Neil Williams wrote: > On Thursday 03 November 2005 9:13 am, Grant Sewell wrote: > > I've just installed phpsysinfo onto my webserver, and it keeps telling me > > that the thing is using 90% or more of it's RAM. Sure enough, when I ssh > > into the box and run top it shows snort using nearly 15%, > > No idea if that is correct, but: > > > mysql using 7 or > > 8% (although there's sometimes 10-15 instances of mysql listed) and about > > 10-15 instances of apache2 (each showing about 5%). > > That is perfectly normal. OK, thanks Neil. > > Anyway... it's not swapping, so I'm not that concerned, but I wondered if > > it is normal behaviour for a webserver to run with near 100% memory usage? > > One of mine: > > top - 09:32:47 up 98 days, 23:55, 1 user, load average: 0.04, 0.01, 0.00 > Cpu(s): 22.2% user, 77.8% system, 0.0% nice, 0.0% idle > Mem: 252584k total, 248892k used, 3692k free, 27960k buffers > > Probably just the cache. And here's mine (probably would have been helpful to put this in my first post): top - 10:44:23 up 17:55, 1 user, load average: 0.01, 0.00, 0.00 Tasks: 50 total, 2 running, 48 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si Mem: 255852k total, 236104k used, 19748k free, 34876k buffers Swap: 369452k total, 0k used, 369452k free, 59204k cached Grant. -- Unix: Some say the learning curve is steep, but you only have to climb it once. -- The Mailing List for the Devon & Cornwall LUG Mail majordomo@xxxxxxxxxxxxx with "unsubscribe list" in the message body to unsubscribe. FAQ: www.dcglug.org.uk/linux_adm/list-faq.html