PostgreSQL 9.3 benchmarks

[Justin Sherrill]

On Mon, Mar 10, 2014 at 8:13 PM, Matthew Dillon <dillon at apollo.backplane.com
> wrote:

>     DragonFly doesn't have the problem when
>     machdep.pmap_mmu_optimize is turned on (which it is for these tests),
>     even though DFly uses 4KB pages, because the kernel will share page
>     table pages (even across fork()s) for compatible mappings.
>

There were people who had crashes/problems of some sort when that sysctl
was set, though, wasn't there?  That's a heck of a side effect.  Would we
see similar results with it off?
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