This is timely info, as we just started setting up an Xserve cluster.
Thanks for the question Kerry and a solution Don!
Eventually, I'd like to write an AppleScript Studio app to help manage the
cluster, something geared to computing rather than serving. This suggestion
could be implemented quite easily, and converted into a bar or other
graphical indicator. A good suggestion for Apple would be to add a CPU
usage monitor pane to the "Server Monitor" app. Right now, it shows pretty
much everything but CPU usage.
Also, check out the "sysctl" command (it has a man page) that gives all
sorts of info about hardware and configuration. This can be a good way to
identify nodes, see how many CPUs are present, check the clock speed,
presence of vector unit, etc....
Craig
--
> Message: 4
> From: "Donald Jones" <email@hidden>
> To: "'email@hidden'" <email@hidden>
> Subject: Re: Multiple computer CPU monitor?
> Date: Tue, 17 Jun 2003 18:29:34 -0700
>
> One simple way to do so from the command line is (zsh approach, modify
> accordingly for other shells):
>
> for node in node1 node2 node3 node4; do
> rsh $node print "node $node: \$(uptime)"
> done
>
> where node1, node2,... are the names for the nodes you want to status .
> We use this on our Linux computational clusters to monitor how busy they
> are (mind you, they are inaccessible to pubic access, so rsh is not a
> security risk for us). The script is also readily adaptable to other
> commands, such as w for monitoring who is logged in.
>
> If you have a compute cluster and a numerical naming convention such as
> n1, n2,...n64 for the nodes, then the first line can be modified to be
>
> for node in n{1..64}; do
>
> where the {1..64} would specify a range of values, in this instance 1
> through 64. The variable node then become n1, n2,...n64.
>
> Don Jones
>
>> Is anyone aware of a utility for monitoring the CPU usage of each
>> processor in an Xserve cluster?
>>
>> It'd be nice to have the ability to see "at a glance" how busy the
>> cluster is ...
>>
>> Kerry
>> _______________________________________________
--
Dr. Craig Hunter
NASA Langley Research Center
AAAC/Configuration Aerodynamics Branch
email@hidden
(757) 864-3020
(Dual G4 - OS X)
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