PostgreSQL 9.3 benchmarks
justin at shiningsilence.com
Mon Mar 10 19:30:24 PDT 2014
On Mon, Mar 10, 2014 at 8:13 PM, Matthew Dillon <dillon at apollo.backplane.com
> 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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