On Tuesday, 5 December 2017 13:57:38 GMT Wols Lists wrote: > I've just had a long thread with someone on the SUSE list who refuses to > believe that the "twice ram" rule ever existed. > > This despite someone else actually describing the algorithm (from which > one can see where the rule comes from), and me pointing out that (after > Linus stripped out all the "awful" optimisation code) the early vanilla > 2.4 kernels enforced this rule by crashing if you broke it. > > Swap was rewritten as a result of that, but I've never heard whether the > fundamental algorithm was changed, so I still provision my systems on > the assumption it's true. Disk is cheap ... my 4TB drives cost about > £110, so that makes 128GB for swap cost, what, £3? I'll probably never > need it, but hey, at that price :-)
Ah, but it's a different kettle of fish if you're using LVMe SSD! :) Mine is 256GB and doesn't have an awful lot of spare capacity, what with BOINC and being the compile host for two other boxes. -- Regards, Peter.
