Re: Parallel Select query performance and shared buffers

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От Claudio Freire
Тема Re: Parallel Select query performance and shared buffers
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Msg-id CAGTBQpa+J-kxsmqSeLfbXoJr9ExP8e7-W3H_aLxbd=XXHAf_Vw@mail.gmail.com
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Ответ на Re: Parallel Select query performance and shared buffers  (Metin Doslu <metin@citusdata.com>)
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On Thu, Dec 5, 2013 at 1:03 PM, Metin Doslu <metin@citusdata.com> wrote:
>> From what I've seen so far the bigger problem than contention in the
>> lwlocks itself, is the spinlock protecting the lwlocks...
>
> Postgres 9.3.1 also reports spindelay, it seems that there is no contention
> on spinlocks.


Did you check hugepages?

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