[THIN] Re: HyperThreading
- From: "Ron Oglesby" <roglesby@xxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 4 Apr 2003 12:59:23 -0600
Sure. I mean it really depends right. If you are dealing with an
Organization with over 4000 production servers they get a little touchy
about unknowns.=20
Of course a SQL server with a ton of load and lots of work threads
spinning and what not, then all the sudden a process stops.... The MS
boys will do anything to prevent that type of thing even if they are
only seeing it in a handful of places.
Ron Oglesby
Senior Technical Architect
=20
RapidApp
Office 312.372.7188
Mobile 312.961.2380
email roglesby@xxxxxxxxxxxx
=20
-----Original Message-----
From: Chris Lynch [mailto:lynch00@xxxxxxx]=20
Sent: Friday, April 04, 2003 12:54 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: HyperThreading
=3D20
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I just had a friend lease a brand new 2600 with Dual 2.8GHz CPU's with =
=3D
the 533 FSB. This server is the Exchange 2000 server, and it runs =3D
perfectly. I will keep my eye on it, but I haven't experienced ANY =3D
problems. VERY FAST!
Chris
- -----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On =
=3D
Behalf Of Ron Oglesby
Sent: Friday, April 04, 2003 8:42 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: HyperThreading
- From what I hear they are seeing some processes go into black =3D
holes.=3D3D20
I mean Hyperthreading is really trying to take something that the OS =3D
does poorly (task scheduling) and make up for it at the hardware =3D
level.=3D3D20
By creating more logical processors to schedule and bounce the tasks =3D
around. OF course under some load they think tasks are being delayed due
=3D
to some conflict between what the OS is sending and expecting and what =
=3D
is being done at the processor level.
Remember Hyperthreading was an after thought with win2k it wasn't built
=3D
for it.
Ron Oglesby
Senior Technical Architect
=3D3D20
RapidApp
Office 312.372.7188
Mobile 312.961.2380
email roglesby@xxxxxxxxxxxx
=3D3D20
- -----Original Message-----
From: James Forbis [mailto:james@xxxxxxxx]=3D3D20
Sent: Friday, April 04, 2003 10:42 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: HyperThreading
What bad happens when you have it turned on. I have about 7 or 8 Dell =
=3D
2650's with Dual Xeon 2.8 and everything seems to run ok including SQL =
=3D
and exchange.=3D3D3D20
James Forbis
- -----Original Message-----
From: Ron Oglesby [mailto:roglesby@xxxxxxxxxxxx]=3D3D3D20
Sent: Friday, April 04, 2003 11:15 AM
To: thin@xxxxxxxxxxxxx
Cc: Windows2000@xxxxxxxxxxxxx
Subject: [THIN] Re: HyperThreading
I have been using it some... BUT only for some testing. Didn't see a =3D
HUGE improvement from it on 2k, But haven't tried it yet on my 2003 =3D
boxes.
On the other hand I wont put it in production on 2k simply because I =3D
have a LARGE customer with several MS reps on site, and they were =3D
running around disabling the hyper threading on all the 2k =3D
servers.......
The funny thing is several models of HP and Dell are coming out of the =
=3D
box with it enabled. So if you open up task mgr on a Dual and see 4 =3D
procs you know what happened.
Ron Oglesby
Senior Technical Architect
=3D3D3D3D20
RapidApp
Office 312.372.7188
Mobile 312.961.2380
email roglesby@xxxxxxxxxxxx
=3D3D3D3D20
- -----Original Message-----
From: Nick [mailto:nick@xxxxxxxxxxx]=3D3D3D3D20
Sent: Friday, April 04, 2003 10:14 AM
To: thin@xxxxxxxxxxxxx
Cc: Windows2000@xxxxxxxxxxxxx
Subject: [THIN] HyperThreading
Hi All,
Does anyone have expirience of using HyperThreading technology on =3D
Windows2000?
We have server based on Intel 7501 Dual Xeon chipset and the =3D
manufacturer turned on HyperThreading support in motherboard's BIOS =3D
though it isn't recommended using HyperThreading with Windows2000 on =3D
Intel's site! Does anyone have real expirience of using this technology
=3D
on terminal servers and whether the real gain of productivity in the =3D
multiuser system turns out from it???
Best Regards, Nick mailto: nick@xxxxxxxxxxx
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