[collectd] Proposal: Make collectdmon start several instances of collectd based on configuration file

[Peter Fischer]

Hi!
I was playing with the 1wire plugin lately und of cource came about the
"EXPERIMENTAL!" paragraph.
I think there would be a relatively simple solution for that:
 * In every plugin's stanza in collectd.conf an interval can be given. If
there is none, the global default is being used.
 * During startup, collectdmon would enumerate every plugin's desired
interval, group these, and would start in collectd instance for every single
interval in the group.
for example:
 * soil temperature and humidity is measured every 30min
 * barometric pressure is read every 5 min
 * ambient temperature and humidity is measured every 2 min
 * everything else uses the default 10 seconds interval
in that case collectdmon would start four instances of collectd running with
different intervals

That way one could even use the slowest or wireless sensors.
Thoughts?
Cheers,
   Peter
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