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Size of the swap partition
According to Activity Monitor, I currently have a VM size of 12GB, this usually hoovers around 10GB, depending on how many big programms I have open. If I use a lot of memory in one application (e.g. 15 tabs in Mozilla, big InDesign project) all of the palettes of e.g. the Adobe programms get pushed out of real memory into the VM part and it takes several seconds to load them again when you switch to these programms.
Leave space for burning
If you do partition, note that DVD and CD burning within OSX/Finder rely on spare space on the boot/system partition - so a System size of 6GB may let you run your system but not burn a DVD.
Size of the swap partition
My understanding of the VM Size is that it includes all shared libraries as well as any memory mapped IO.
Size of the swap partition
Thanks for the info, I always get nervous when the VM size reaches twice the free disk space...
Size of the swap partition
i am too lazy to write up a full hint, but since the original poster mentioned a swap partition of one gigabyte...
i also chose a 1GB swap partition, only to find that the dynamic_pager does not make the most efficient use of it with default settings. dynamic_pager seems to have two modes of allocating new virtual memory, one where it doubles the size of the new swapfile with each file, and one where the size of the swapfile is fixed. now, with a one gig partition and a variable swapfile size, the following happpened: dynamic_pager happily created pages when needed, but, after a little over .75GB of VM where in use, refused to create a new swapfile because the size of the new file was slightly larger than the remaining space. the answer i found for my system was to start dynamic_pager with parameters where -S means 'create swapfiles with a size of 64MB', -H 33554432 means 'create a new file when less than 32MB of free swapfile memory available' and -L 134217728 means 'discard a swapfile if more than 128MB of swapfile memory are unused'. of course, the actual sizes i chose could be rather braindead. for further reading, try man dynamic_pager. cheers, -folkert. ---
Size of the swap partition
See huge swap files in 10.3.4 ?? on Apple Discussions for more about that topic.
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