[Beowulf] cli alternative to cluster top?
Robert G. Brown
rgb at phy.duke.edu
Sun Nov 30 11:45:44 EST 2008
On Sat, 29 Nov 2008, Greg Kurtzer wrote:
> Warewulf has a real time top like command for the cluster nodes and
> has been known to scale up to the thousands of nodes:
> We are just kicking off Warewulf development again now that Perceus
> has gotten to a critical mass and Caos NSA 1.0 has been released. We
> should have our repositories for Warewulf-3 pre-releases up shortly
> but if you need something ASAP, please contact me offline and I will
> get you what you need.
> On Wed, Nov 26, 2008 at 12:39 PM, Thomas Vixel <tvixel at gmail.com> wrote:
>> I've been googling for a top-like cli tool to use on our cluster, but
>> the closest thing that comes up is Rocks' "cluster top" script. That
>> could be tweaked to work via the cli, but due to factors beyond my
>> control (management) all functionality has to come from a pre-fab
>> program rather than a software stack with local, custom modifications.
>> I'm sure this has come up more than once in the HPC sector as well --
>> could anyone point me to any top-like apps for our cluster?
>> For reference, wulfware/wulfstat was nixed as well because of the
>> xmlsysd dependency.
That's fine, but I'm curious. How do you expect to run a cluster
information tool over a network without a socket at both ends? If not
xmlsysd, then something else -- sshd, xinetd, dedicated or general
purpose, where the latter almost certainly will have have higher
overhead? Or are you looking for something with a kernel level network
interface, more like scyld?
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> Greg Kurtzer
> Beowulf mailing list, Beowulf at beowulf.org
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Robert G. Brown Phone(cell): 1-919-280-8443
Duke University Physics Dept, Box 90305
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