| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | YUriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Move PinBuffer and UnpinBuffer to atomics |
| Date: | 2015-09-11 16:15:43 |
| Message-ID: | CAKJS1f9SzMBghNxHFZ+Sm70=nWgcovwX_cFnQEs7L1Rvq5mL=A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 11 September 2015 at 22:23, YUriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru>
wrote:
>
> Without patch we have 417523 TPS and with patch 965821 TPS for big x86
> server.
> All details here: https://gist.github.com/stalkerg/773a81b79a27b4d5d63f
>
>
Impressive!
I've run this on a single CPU server and don't see any speedup, so I assume
I'm not getting enough contention.
As soon as our 4 socket machine is free I'll try a pgbench run with that.
Just for fun, what's the results if you use -M prepared ?
Regards
David Rowley
--
David Rowley http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Training & Services
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