On Fri, Dec 13, 2013 at 02:44:26PM +0100, Peter Hessler wrote: > On 2013 Dec 13 (Fri) at 13:24:41 +0000 (+0000), Zé Loff wrote: > :On Fri, Dec 13, 2013 at 07:16:06AM -0600, Shawn K. Quinn wrote: > :> > :> I think R is using virtual memory as best it can, and I seriously doubt > :> you will get anything resembling satisfactory performance without > :> upgrading the RAM (memory) to 8Gb.
[snip] > :> So: 1) segment this problem such that R never needs more than about 3Gb > :> of RAM in one run if possible, 2) upgrade the RAM, or 3) give R a very > :> long time to complete the task at hand and back up your hard disk > :> regularly because it will get a workout. [snip] > Using swap is a bug. Buy more ram. Thanks for your answers (and Marc's too, BTW). I never meant swapping to be more than a workaround, I wasn't expecting good performance. But I never expected it to render the machine virtually useless like it does, hence the first post. Off to the shop, then. --