[GE users] execution nodes scalability

Rayson Ho rayrayson at gmail.com
Thu May 18 16:23:20 BST 2006


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Why not add & remove them on-demand??

The "COD: Cluster-on-Demand" project adds/removes nodes to different
SGE 5.3 clusters:
http://issg.cs.duke.edu/cod/

Rayson




On 5/18/06, Krzysztof Wilk <chris at gridwisetech.com> wrote:
> Hi all,
>
> I have a large pool of execution nodes (e.g. 65,536). Only a fraction of
> them (e.g. 256) are used at once. I need to use only one hostgroup.
>
> Would it be possible to add 65,536 create host entries and then add them
> to the same hostgroup?
>
> Do you think single GE master will handle thousand of execution nodes?
>
> Will they be completely ignored by scheduler daemon if they are not
> referred by any queue/pe/hostgroup/project/department?
>
> Will the master daemon be polling all the configured nodes for their
> availability periodically?
>
> Best,
> Chris
> --
> Chris Wilk                            chris.wilk at gridwisetech.com
> Consultant
>
> GridwiseTech                          office/fax: +48 12 294 71 20
>
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