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[LUG] Webserver running with 90% memory used?

 

Hi all,

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%, 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%).  Now these alone add up to over 100%, so I'm guessing that 
it's showing me that apache2 is using about 5% RAM and there are 11 instances of it 
sharing that memory?

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?

Cheers.
Grant.

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