Re: Dual Xeon + HW RAID question

От: Jord Tanner
Тема: Re: Dual Xeon + HW RAID question
Дата: ,
Msg-id: 1058896464.4339.46.camel@gecko
(см: обсуждение, исходный текст)
Ответ на: Re: Dual Xeon + HW RAID question  (Bruce Momjian)
Ответы: Re: Dual Xeon + HW RAID question  (Bruce Momjian)
Список: pgsql-performance

Скрыть дерево обсуждения

Dual Xeon + HW RAID question  ("alexandre arruda paes :: aldeia digital", )
 Re: Dual Xeon + HW RAID question  (Rod Taylor, )
 Re: Dual Xeon + HW RAID question  ("Nikolaus Dilger", )
  [OT] Such incredible h/w (was Re: Dual Xeon + HW RAID question)  (Ron Johnson, )
  Re: Dual Xeon + HW RAID question  (Andrew Sullivan, )
  Re: Dual Xeon + HW RAID question  (SZUCS Gábor, )
   Re: Dual Xeon + HW RAID question  ("alexandre paes :: aldeia digital", )
   Re: Dual Xeon + HW RAID question  (Bruce Momjian, )
    Re: Dual Xeon + HW RAID question  ("Mindaugas Riauba", )
     Re: Dual Xeon + HW RAID question  (Bruce Momjian, )
      Re: Dual Xeon + HW RAID question  (SZUCS Gábor, )
       Re: Dual Xeon + HW RAID question  (Jord Tanner, )
        Re: Dual Xeon + HW RAID question  (Bruce Momjian, )
         Re: Dual Xeon + HW RAID question  (Jord Tanner, )
          Re: Dual Xeon + HW RAID question  (Bruce Momjian, )
           Re: Dual Xeon + HW RAID question  (Jord Tanner, )
       Re: Dual Xeon + HW RAID question  (Bruce Momjian, )

On Tue, 2003-07-22 at 10:39, Bruce Momjian wrote:
> But CPU affinity isn't realated to hyperthreading, as far as I know.
> CPU affinity tries to keep processes on the same cpu in case there is
> still valuable info in the cpu cache.
>

It is true that CPU affinity is designed to prevent the dump of valuable
CPU cache. My thought is that if you are trying to prevent CPU
contention, you could use CPU affinity to prevent 2 postmaster processes
from running simultaneously on the same die. Am I out to lunch here?
I've not worked with CPU affinity before, so I'm not familiar with the
intimate details.


--
Jord Tanner <>



В списке pgsql-performance по дате сообщения:

От: Jord Tanner
Дата:
Сообщение: Re: Dual Xeon + HW RAID question
От: "Castle, Lindsay"
Дата:
Сообщение: One table or many tables for data set