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RE: [Condor-users] Specs for the Central Manager machine ?


Go for reliability over performance.  Redundant power, mirrored drives, etc,
etc, are all wise investments obviously.  

Any modern CPU will do with suitable RAM.  It really isn't a huge effort. 

Also wise to not add any other services to that machine to reduce the risk
of a rogue service bringing down the machine.  

We do use our central manager as the network share for any job required
executables/dll's/etc with the logic being if the central manger crashes
those shares really are not required.  Note - this is not the data share,
just the runtime requirements.


-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx
[mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Andrew Mellanby
Sent: Tuesday, July 27, 2004 3:48 PM
To: Condor-Users Mail List
Subject: Re: [Condor-users] Specs for the Central Manager machine ?

Thanks Nick.

looks like we won't need to budget too much for that.


Nick LeRoy wrote:

>On Mon July 26 2004 8:38 pm, Andrew Mellanby wrote:
>>What are the guidelines for specifing a machine to run the central manager
>>We may have a condor pool of the order of 1000 machines and we'd really
>>like to make sure we don't cripple an existing server by installing the
>>manager on it.
>Here's a reference point, at least.  At UW/CS, our pool currently has ~ 900

>VMs.  Here's a snippet from /proc/cpuinfo on our CM:
>model name      : Intel(R) Pentium(R) 4 CPU 2.26GHz
>stepping        : 4
>cpu MHz         : 2289.239
>cache size      : 512 KB
>This machine has no other duties, and it's load average seems to be pretty 
>steady between 0.20 and 0.40.
>Hope this helps

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