hyperthreadin low performance

From: Jeison Bedoya Delgado <jeisonb(at)audifarma(dot)com(dot)co>
To: pgsql-performance(at)postgresql(dot)org
Subject: hyperthreadin low performance
Date: 2015-07-21 02:59:18
Message-ID: 55ADB586.2010406@audifarma.com.co
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

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?.

BD: postgresql 9.3.5
Machine: Dell PE R820
processor: 4x Intel(R) Xeon(R) CPU E5-4620 v2 @ 2.60GHz eigth-core
RAM: 128GB
Storage SSD SAN

thanks by your help

--
Atentamente,

JEISON BEDOYA DELGADO
ADM.Servidores y comunicaciones
AUDIFARMA S.A.

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message David Rowley 2015-07-21 08:04:32 Re: hyperthreadin low performance
Previous Message Peter J. Holzer 2015-07-19 20:41:44 Re: Different plan for very similar queries