[CentOS] CentOS5 running very slowly on a core 2 duo with 4 GB RAM

Thu Aug 7 15:55:37 UTC 2008
John R Pierce <pierce at hogranch.com>

Eduardo Grosclaude wrote:
> On 8/7/08, israel.garcia at cimex.com.cu <israel.garcia at cimex.com.cu> wrote:
>   
>>
>>
>> Hi, I've installed CentOS5.2 on an INTEL Core 2 Duo (Intel(R) Core(TM)2 Duo
>> CPU     E6550  @ 2.33GHz), 4 GB RAM (MemTotal:      4072176 kB) and my
>> system gets sevarel minutes to startup, specially on udev daemon. Once the
>> system is UP, every command I run gets 100% CPU and every is very slowly at
>> the point yum –y update never ends. The system installed by default this
>> kernel 2.6.18-53.el5PAE. I would like to know what's wrong with my server.
>> Do I have to install another kernel? Can you help me?
>>     
>
> Does disabling Hyperthreading (at BIOS setup control program) help?
>
>
>   


there is no hyperthreading on core2duo cpus, they are true dual core.