Hi Atle,
We are using Asianux 2.0 (RHEL 4 compatible, linux kernel 2.6.9)
MySQL is the latest one. 5.0.x
Thanks in advance,
Hiro
From: Atle Veka <[EMAIL PROTECTED]>
Subject: Re: MySQL and Hyperthreading
Date: Thu, 2 Mar 2006 10:12:09 -0800 (PST)
Message-ID: <[EMAIL PROTECTED]>
&
Hi Hiro, we have noticed severe performance loss with HT enabled under
FreeBSD but not with MySQL. However, we could be having problems with
MySQL as well without knowing as we haven't done any testing as it is
operating fine. What operating system are you running?
We now disable HT on all servers
Hi,
We found a severe performance degradation when Hyperthreading is on
and thread_concurrency=20.
We are using OSDL DBT-1 as the benchmark and got about 200 to 250
BT (bogotransactions per second) HT is OFF normal case but 30 to
50 BT on HT is ON.
innodb_thread_concurrency=20
So we did profil
