On Aug 28, 2012 11:35 AM, "Travis" <hcoy...@ghostar.org> wrote: > > On Mon, Aug 27, 2012 at 9:41 PM, Edward Ned Harvey (lopser) > <lop...@nedharvey.com> wrote: > > > > OMG, holy crap. I don't care how big your processes are, or how much memory you have in your system, you should never be swapping active memory. You can always solve this problem by either adding more memory, or using a memory mapped file in your process. > > ... > The point is not all use-cases can be simply solved by physically > adding more RAM to a system or by mmaping. Sometimes there are > physical limitations that prevent you from waving the magic wand. > > Sometimes, you just make do.
Agreed. Chip design and databases are extreme cases. We have a 768GB ram machine. The app uses memory mapped files. It still swaps. (To a pair of 600Gb flash drives)
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