On Sat, Aug 04, 2007 at 09:40:14AM +0200, Wojciech Puchar wrote:
> >>loaded servers for over a year with FreeBSD 6.2
> >
> >Lucky you ;) Doesn't mean that parts of the kernel you're not using
> >can handle it.
>
> well - it exactly mean that it can :)
I know for a fact that MAXPHYS cannot safely
loaded servers for over a year with FreeBSD 6.2
Lucky you ;) Doesn't mean that parts of the kernel you're not using
can handle it.
well - it exactly mean that it can :)
better.
patched vm_fault make pageins faster, but not pageout. disks often does
write caching clustering pageouts anyway,
On Fri, Aug 03, 2007 at 10:04:18PM +0200, Wojciech Puchar wrote:
> >>-#define MAXPHYS(128 * 1024)/* max raw I/O transfer
> >>size */
> >>+#define MAXPHYS(512 * 1024)/* max raw I/O transfer
> >>size */
> >>both works for me and gives noticable speedup, when op
-#define MAXPHYS(128 * 1024)/* max raw I/O transfer
size */
+#define MAXPHYS(512 * 1024)/* max raw I/O transfer
size */
both works for me and gives noticable speedup, when operating on big files
and when starting big apps or swapping.
There are assumptions
On Fri, Aug 03, 2007 at 05:26:49PM +0200, Wojciech Puchar wrote:
> is anything wrong in this?
>
> --- vm_fault.c.orig Fri Aug 3 15:01:27 2007
> +++ vm_fault.c Thu Aug 2 15:56:17 2007
> @@ -113,8 +113,8 @@
> static int vm_fault_additional_pages(vm_page_t, int, int, vm_page_t *, int
> *);