Re: Should we cacheline align PGXACT? - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: Should we cacheline align PGXACT?
Date
Msg-id CAA4eK1J+MjNHPn81zqYVKynSP42Y-fbndHRtSCtLcf456npibg@mail.gmail.com
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In response to Should we cacheline align PGXACT?  (Alexander Korotkov <a.korotkov@postgrespro.ru>)
Responses Re: Should we cacheline align PGXACT?  (Alexander Korotkov <a.korotkov@postgrespro.ru>)
List pgsql-hackers
On Fri, Aug 19, 2016 at 11:42 AM, Alexander Korotkov
<a.korotkov@postgrespro.ru> wrote:
> Hackers,
>
> originally this idea was proposed by Andres Freund while experimenting with
> lockfree Pin/UnpinBuffer [1].
> The patch is attached as well as results of pgbench -S on 72-cores machine.
> As before it shows huge benefit in this case.
> For sure, we should validate that it doesn't cause performance regression in
> other cases.  At least we should test read-write and smaller machines.
> Any other ideas?
>

may be test on Power m/c as well.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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