Re: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-22 Thread anubis
On Fri, 19 Dec 2003 05:32 am, Vahric MUHTARYAN wrote:
 Hi Everybody ,


   I watching freebsd-stable list I saw that somebody have a problem
 with SMP support which they are using 4.9 . I know that some improvement
 are coming with 5.x  But this problem are very important for example
 somebody when enable SMP support system start to reset itself or under high
 load crashed ?!

   I wonder Does anybody use SMP Support without Problem . Because SMP
 is very important things ...

   I wonder too What about HyperThreading ?!


   Second How can I learn What is 1:1 and M:N thread libraries ? ! How
 it's work ?! How SMP work on FreeBSD ?!


   Because I'm using Redhat for a long time and I don't have any
 problem with it of course under high load ...


 Thanks
 Vahric MUHTARYAN




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The problem with looking at mailing lists is that you only hear about 
problems.  The thousands of happy BSDers with working hardware dont post to 
these lists saying every thing is working ok so you get a biased view.


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Re: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-18 Thread Mike Woods
 I wonder Does anybody use SMP Support without Problem . Because SMP
 is very important things ...

http://geofront.co.uk/cgi-bin/geo-stats.pl

That box has happily been running SMP under 5.0 for well over six months now
without a single glitch :)

Mike Wood
IT Techncian

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Re: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-18 Thread Michael E. Mercer
I am using 4.9-Stable on a Dual Xeon 450MHz processors and have not had
any problems as reported by others.

Been running SMP from the beginning

later
MEM

On Thu, 2003-12-18 at 14:32, Vahric MUHTARYAN wrote:
 Hi Everybody , 
 
 
   I watching freebsd-stable list I saw that somebody have a problem
 with SMP support which they are using 4.9 . I know that some improvement are
 coming with 5.x  But this problem are very important for example
 somebody when enable SMP support system start to reset itself or under high
 load crashed ?! 
 
   I wonder Does anybody use SMP Support without Problem . Because SMP
 is very important things ... 
 
   I wonder too What about HyperThreading ?! 
 
 
   Second How can I learn What is 1:1 and M:N thread libraries ? ! How
 it's work ?! How SMP work on FreeBSD ?! 
 
 
   Because I'm using Redhat for a long time and I don't have any
 problem with it of course under high load ... 
 
 
 Thanks 
 Vahric MUHTARYAN 
 
 
 
 
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Re: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-18 Thread John Ekins
On Thu, 18 Dec 2003 21:32:38 +0200
Vahric MUHTARYAN [EMAIL PROTECTED] wrote:

- Hi Everybody , 
- 
- 
-  I watching freebsd-stable list I saw that somebody have a problem
- with SMP support which they are using 4.9 . I know that some improvement are
- coming with 5.x  But this problem are very important for example
- somebody when enable SMP support system start to reset itself or under high
- load crashed ?! 

Did you manage to find out why your machine crashed? What are you doing to heavily
load them?
 
-  I wonder Does anybody use SMP Support without Problem . Because SMP
- is very important things ... 

We run numerous 4.x SMP machines without any problems. Some of them are
heavily CPU loaded, too loaded sometimes. Others are heavily network loaded.
They don't crash though. We have uptime on several SMP machines running 4.62 of
more than one year. I know that's not current, but I've no reason to update them.

-  I wonder too What about HyperThreading ?! 

We have this enabled on some machines too. I've often debated the value of this
with colleagues for our particular circumstances. You would have to elaborate on
what you are doing to find out how useful it is for you.

-  Second How can I learn What is 1:1 and M:N thread libraries ? ! How
- it's work ?! How SMP work on FreeBSD ?! 

You might have a look at www.freebsd.org/smp, and also read the smp newsgroup
archives.

-  Because I'm using Redhat for a long time and I don't have any
- problem with it of course under high load ... 

Is this doing the same task as your FreeBSD machine? If so, what's the task? 

- Thanks 
- Vahric MUHTARYAN 

Cheers,
John.
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RE: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-18 Thread Lawrence Farr
I have around ten SMP machines, some Quads, rest Dual CPU machines.
I genuinely cannot remember the last time one of them crashed that
wasn't hardware related (ie physical failure, not software)

(PS I started using FreeBSD around 2.8).

Lawrence Farr
EPC Direct Limited  

 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of Vahric MUHTARYAN
 Sent: 18 December 2003 19:33
 To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
 Subject: Anybody Use 2 or More CPU at Production Env. ( SMP ) 
 
 Hi Everybody , 
 
 
   I watching freebsd-stable list I saw that somebody have 
 a problem
 with SMP support which they are using 4.9 . I know that some 
 improvement are
 coming with 5.x  But this problem are very important for example
 somebody when enable SMP support system start to reset itself 
 or under high
 load crashed ?! 
 
   I wonder Does anybody use SMP Support without Problem . 
 Because SMP
 is very important things ... 
 
   I wonder too What about HyperThreading ?! 
 
 
   Second How can I learn What is 1:1 and M:N thread 
 libraries ? ! How
 it's work ?! How SMP work on FreeBSD ?! 
 
 
   Because I'm using Redhat for a long time and I don't have any
 problem with it of course under high load ... 
 
 
 Thanks 
 Vahric MUHTARYAN 
 
 
 
 
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Re: Anybody Use 2 or More CPU at Production Env. ( SMP )

2003-12-18 Thread Eric Brunner-Williams in Portland Maine
I have 5 (iXsystems) dual processors, all running 5.0-RELEASE or safely
behind -CURRENT, with one box unsafely at -CURRENT, so I can't comment
on the -STABLE question.
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