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RE: Oracle Licences Req on Intel Xeon CPU

From: david hill <david.hill_at_lechateau.ca>
Date: Wed, 26 Mar 2003 07:28:37 -0800
Message-ID: <F001.005732ED.20030326072837@fatcity.com>

Yes Redhat Advanced Server 2.1 does support hyperthreading. Its not to bad either. I ran some tests and we get about a 15% increase in performance with hyperthreading turned on.

-----Original Message-----
Sent: Wednesday, March 26, 2003 8:09 AM
To: Multiple recipients of list ORACLE-L

2000 only shows 2 CPUs because it cannot take advantage hyperthreading.
>From what I have read (Intel's website, some others), hyperthreading
requires both BIOS and OS support to be utilized. Currently, XP and the newer Linux releases are all that I have seen that will take advantage of it.

My research on this was fairly light since I was just after can Redhat Advanced Server support it, but I do remember seeing that W2K would not.

--
Michael Brown				Glen Raven, Inc./Info Services
Senior Oracle DBA			1831 N. Park Ave
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-----Original Message-----
Sent: Wednesday, March 26, 2003 3:44 AM
To: Multiple recipients of list ORACLE-L


Depending on the OS, Microsoft has different CPU counts.  The Windows
2000 family
counts each hyper thread as 1 CPU.  In contrast, Windows XP and Windows
2003 Server
count each CPU instead of each hyper thread.  Thus, the task manager in
Windows XP
Professional show 4 CPU's (on a dual XEON CPU computer with hyper threading
enabled) while Windows 2000 Professional only shows 2 CPU's in the task
manager.

Have Fun :)

tjambu_fatcity_at_yahoo.com.au wrote:


>Hi all
>
>For those that are running or intending on running Oracle on
>Intel's Xeon CPU, the following information may be of interest to you.
>
>The Xeon CPU has a feature called Hyper Threading with double the number
>of registers. This feature when turned will present to the Operating
>Systems an additional virtual CPU. As far as the O/S is concern, it
>looks like there are _two_ CPUs. What does this mean to your software
>licensing?
>
>Microsoft says that it is one CPU. What does Oracle say?
>
>Well, it depends on who you speak to and what day of the week it is.
>Seriously, you will need to get some confirmation in writing from your
>account manager the next time you purchase Oracle S/w for Intel's Xeon
>
>ta
>tony
>
> _____ ________ / ____|Tony Jambu, Database&Web Consultant
> /_ _ /_ __ / |Wizard Consulting Pty Ltd
> /(_)/ )(_/ \_/(///(/_)/_( |IOUG's Select Asia-Pacific Tech. Editor
> \_______/ |EMAIL: TJambu @ wizard.cx (REMOVE Spaces from
email )
>----------------------------|PHONE: +61-419-TJAMBU(852628)
>
>
>
-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Chip INET: ocp-dba_at_earthlink.net Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: david hill INET: david.hill_at_lechateau.ca Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
Received on Wed Mar 26 2003 - 09:28:37 CST

Original text of this message

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