Re: kqueue
От | Heikki Linnakangas |
---|---|
Тема | Re: kqueue |
Дата | |
Msg-id | ca806d7b-325c-d012-b8aa-0387dff97b56@iki.fi обсуждение исходный текст |
Ответ на | Re: kqueue (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
On 09/13/2016 04:33 PM, Tom Lane wrote: > Heikki Linnakangas <hlinnaka@iki.fi> writes: >> So, if I've understood correctly, the purpose of this patch is to >> improve performance on a multi-CPU system, which has the kqueue() >> function. Most notably, FreeBSD? > > OS X also has this, so it might be worth trying on a multi-CPU Mac. > >> If there's no measurable difference in performance, between kqueue() and >> poll(), I think we should forget about this. > > I agree that we shouldn't add this unless it's demonstrably a win. > No opinion on whether your test is adequate. I'm marking this as "Returned with Feedback", waiting for someone to post test results that show a positive performance benefit from this. - Heikki
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