> On Jul 5, 2016, at 12:30 PM, Jens Alfke <j...@mooseyard.com> wrote: > On Jul 5, 2016, at 9:26 AM, Steve Sisak <sgs-li...@codewell.com > <mailto:sgs-li...@codewell.com>> wrote: >> >> If your customer is on a SAN with 250GB free it will work — also it gives >> you the option of backing your huge allocations on a different drive (or >> drives) than the system VM. > > Yup. But subject to the usual caveat about mmap on non-boot volumes: If the > volume is disconnected (e.g. cord yanked out, or a network partition) all of > the mapped memory gets unmapped and will segfault on the next access.
Good point — but for what he’s doing (large mathematical simulations), that’s probably a fair tradeoff. (They’ll have to re-run the simulation, but nobody’s going to die) -Steve
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