[CentOS] Swap memory: I can't reconcile this stuff.

Mon Jun 5 23:34:46 UTC 2006
Kai Schaetzl <maillists at conactive.com>

William L. Maltby wrote on Mon, 05 Jun 2006 18:45:10 -0400:

> 24729  127m  32m  15m  4.3  94m evolution

It looks to me like top is using a different definition of swap. If you 
compare you see that SWAP shows the difference between VIRT and RES almost 
exactly. However, if there is no or almost no swap usage how can there be 
a difference? Only explanation: it shows what *could* be swapped 
immediately without affecting current activity. 
Have you tried making it heavily swap and then checked if you see a 
difference (whichever)? Theoretically, it shouldn't make a difference as 
it doesn't seem to differentiate between "swapped" and "really swapped".

Kai

-- 
Kai Schätzl, Berlin, Germany
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