Re: patch: avoid heavyweight locking on hash metapage

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: "Dickson S(dot) Guedes" <listas(at)guedesoft(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: patch: avoid heavyweight locking on hash metapage
Date: 2012-05-31 11:10:37
Message-ID: CA+TgmoaAJUfhBD8GP80rd3ve-RuTYRghqkA3_eUXRu-6Y1qn2g@mail.gmail.com
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On Thu, May 31, 2012 at 7:07 AM, Dickson S. Guedes <listas(at)guedesoft(dot)net> wrote:
> 2012/5/30 Robert Haas <robertmhaas(at)gmail(dot)com>:
>> I tested the effect of this by setting up a series of 5-minute
>> read-only pgbench run at scale factor 300 with 8GB of shared buffers
>> on the IBM POWER7 machine.
>
> I know it doesn't matter, but out of curiosity what OS you used?

Fedora 16, Linux 3.2.6-3.fc16.ppc64

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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