![]() | ||||||||||
Messages in this thread |
On Mon, 2006-01-23 at 23:08 -0300, Horst von Brand wrote: [...] > Good rule of thumb: If you run into swap, add RAM. Swap is /extremely/ slow > memory, however fast you make it go. RAM is not expensive anymore... - Except on laptops where you usually can't add *any* RAM. And if you can, it is *much much* more expensive than on "normal" PCs. - Except if you - for whatever reason - have to throw out smaller RAMs to get larger (and much more expensive) RAMs into it. - Except (as someone else mentioned) you have already equipped your main board to the max. > > You have roughly 2 GB of dynamic address-space avaliable to each > > task (stuff that's not the kernel and not the runtime libraries). > > Right. But your average task is far from that size, and most of it resides > in shared libraries and (perhaps shared) executables, and is perhaps even > COW shared with other tasks. > > > You can easily have 500 tasks, > > Even thousands. > > > even RedHat out-of-the-box creates > > about 60 tasks. That's 1,000 GB of potential swap-space required > > to support this. And after login (on XFCE + a few standard tools in my case) > 200. > But you really never do. That is the point. ACK. X, evolution and Mozilla family (to name standard apps) are the exceptions to this rule. Bermd -- Firmix Software GmbH http://www.firmix.at/ mobil: +43 664 4416156 fax: +43 1 7890849-55 Embedded Linux Development and Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
| Last update: 2006-01-25 09:27 [from the cache] ©2003-2008 | ||||||||||