RAM & Swap & Speed

Kris Kennaway kris at FreeBSD.org
Sun Apr 20 19:45:08 UTC 2008

On Sun, Apr 20, 2008 at 09:28:47PM +0200, herbert langhans wrote:
> Hi Daemons,
> recently I had to add some more RAM on a workstation. Was 512MB before and is 2GB now, the reason was to give some graphic apps more space.
> But to my surprise the workstation ran faster--but before adding RAM it did NOT make use of the swap-partition and after the big RAM chip of course not too (checked it with #top).
> This was a Slackware installation. Had anyone experienced such effect on BSD as well? 

All available RAM will be used for caching, reducing the need for slow
disk accesses for repeated read I/O.


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