| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Should we cacheline align PGXACT? |
| Date: | 2016-08-19 12:19:35 |
| Message-ID: | CAA4eK1J+MjNHPn81zqYVKynSP42Y-fbndHRtSCtLcf456npibg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Aug 19, 2016 at 11:42 AM, Alexander Korotkov
<a(dot)korotkov(at)postgrespro(dot)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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