Memory usage

Chris Hewitt g0pae at manordat.demon.co.uk
Fri Apr 30 16:45:47 UTC 2004


Ajai Khattri wrote:

>On Fri, 30 Apr 2004, Roger Harrell wrote:
>
>>I've just put my RH 9 box into production. I've been working on tuning
>>it to optimize performance, but am a little confused. When I do ps -aux
>>and total memory usage I get about 40% usage. When I do top, or pull up
>>the system monitor it shows 495 MB in use (the box has 512MB). Where is
>>all the extra memory being used?
>>
>
>What does "free -m -t -o" say?
>
What is not being used by programs usually is used in caching the 
filesystem. Using Ajai's command I would expect to see very little free 
memory but almost all the swap space free.

HTH
Chris






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