>> On 02/22/2012 01:42, Ivan Voras wrote:
>> > The Dragonfly team has recently liberated their VM from the giant lock
>> > and there are some interesting benchmarks comparing it to FreeBSD 9 and a
>> > derivative of RedHat Enterprise Linux:
> I just saw this, so I thought I would mention -- DragonFly was not doing a
> great job allocating pv entries rapidly, which is needed during PostgreSQL
> warm up -- This made shm_use_phys appear very effective. It only makes 1-2%
> difference now on DragonFly, and only 1-2% difference on FreeBSD.