Re: Increasing Memory Usage

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On Sun, 2003-05-11 at 21:14, Jeff Grossman wrote:
> I never knew about the "free" command.  But, I still don't understand
> how the system can start only using about 100M and now it is using
> almost all of the built in memory.  And starting to use swap space.
> 
>              total       used       free     shared    buffers
> cached
> Mem:        513852     488336      25516          0     137064
> 227048
> -/+ buffers/cache:     124224     389628
> Swap:       650552       6708     643844
> 
> 

To simplify what Roberto said, you're looking at the wrong line in the
output of "free."  You should read the line marked "-/+ buffers/cache". 
This shows that 124 MB of RAM is being used by your programs, and 389 MB
is available if the programs need it.  The extra RAM being used for
cache will speed up your system overall and is NOT a problem -- it's a
big feature of the Linux kernel!

Also, the small amount of swap being used is not anything to be worried
about.  The only time you're "really" using swap is when that "free"
column in the -/+ buffers/cache line becomes zero (or very small).

Hope this helps,

Jeremy Portzer

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