Re: hyperthreadin low performance

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Jeison Bedoya Delgado <jeisonb(at)audifarma(dot)com(dot)co>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: hyperthreadin low performance
Date: 2015-07-21 08:04:32
Message-ID: CAKJS1f_pAPeff0yRg_LCg28p=dAfvURf-sTVH9NtP0vhF=Xqcg@mail.gmail.com
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On 21 July 2015 at 14:59, Jeison Bedoya Delgado <jeisonb(at)audifarma(dot)com(dot)co>
wrote:

> hi everyone,
>
> Recently update a database to machine with RHEL7, but i see that the
> performance is betther if the hyperthreading tecnology is deactivated and
> use only 32 cores.
>
> is normal that the machine performance is better with 32 cores that 64
> cores?.
>
>
You might be interested in
http://www.postgresql.org/message-id/53F4F36E.6050003@agliodbs.com

Regards

David Rowley

--
David Rowley http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Training & Services

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