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10.6: Completely Disable Virtual Memory in Snow Leopard
Authored by: jakubgg on Jun 09, '11 01:15:28PM


Just applied that tweak - and for the last three hours haven't seen spinning beach ball even once! Still got 2GB free mem and everything works like a breeze.

I guess that users on MacBooks (pro/iMacs) will see a huge difference because of their default 5600rpm drives - that are not the fastest bunch. Mac Pros or those with 7200rpm might not see that much difference.
Right now it feels more like working o a Mac with SSD drive.
I've got 8GB of memory but I have put Activity Monitor in a dock to show my memory usage - and it is not that bad. After three hours of web surfing, film watching and photoshopping (photoshop has separate VM) still around 2-3GB free.
But seriously I have almost forgot how the spinning beach ball looks like :)

Will keep posting in case of unusual behaviour.


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10.6: Completely Disable Virtual Memory in Snow Leopard
Authored by: jakubgg on Jun 14, '11 02:45:09PM

OK Update.
So running Snow Leopard on MacBook Pro with 8GB mem, (Web development, Netbeans, Photoshop, VLC, iTunes etc.) Max mem usage was around 6GB.
After 5 days I have managed to kill the system trying to convert some mp3 to Wav's in MAX. No kernel panics, no complaints, just system freeze.

So beware if you intend to convert large files in MAX - it can kill your system if you do not have VM turned on (some weird memory management goes on there - from 1GB to 8GB + 3GB of swap file in 1 second).

Beside that one hiccup everything was just peachy - even opening three 150mb files in TextWrangler was absolutely fine.

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