"[email protected]" <[email protected]> writes:
 
> And the main problem seem general enough to have a solution:
> Several jobs depend on some common precondition, that is tied to an
> execution host. You want to do the job to fulfil the precondition in such
> a way so that you minimize the work. And you want it to happen
> automatically.

It's the sort of thing that SDM seems to have been designed for.

> But if we must provide some custom logic to do this, what would be a good
> strategy? What do you think about this:
>
> Make a complex on the execution hosts (or queue instances?) that decries
> the configuration that is active on that server. Make a timer triggered
> script that examines the jobs in the queue at a certain interval. Let the
> script run the configuration procedure on the test servers when it decides
> that it is appropriate, and then update the config complex.

You'd clearly need resources for the host configuration.  If anything,
without something like SDM, I'd expect to use a load sensor to maintain
global complexes to control reboot jobs from large arrays (to give a
convenient semi-infinite supply).

-- 
Excuse the typping -- I have a broken wrist
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