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Re: hyperthreadin low performance - Mailing list pgsql-performance

From David Rowley
Subject Re: hyperthreadin low performance
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Msg-id CAKJS1f_pAPeff0yRg_LCg28p=dAfvURf-sTVH9NtP0vhF=Xqcg@mail.gmail.com
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In response to hyperthreadin low performance  (Jeison Bedoya Delgado <jeisonb@audifarma.com.co>)
Responses Re: hyperthreadin low performance  (Mark Kirkwood <mark.kirkwood@catalyst.net.nz>)
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On 21 July 2015 at 14:59, Jeison Bedoya Delgado <jeisonb@audifarma.com.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?.



Regards

David Rowley

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

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