On Wed, Jun 10, 2009 at 15:17, Jorge Medina<[email protected]> wrote:
> a)
>
> How does gmetad knows the frequency for retrieving information from a
> datasource?
> For example, if I have 2 metrics, one taken every second and another every
> minute, how often does gmetad gets the information from a gmond process?
> Does it get all the cluster information every second? or does it retrieve
> one metric every second and the other data every minute?

The gmetad polling interval is set in gmetad.conf.  There should be a
bunch of comments in the top of the file with details, but here's the
short version:

  # Format:
  # data_source "my cluster" [polling interval] address1:port addreses2:port ...

All information is collected gmond at that time.  The default polling
interval is 15 seconds.

> What happen if a metric has expired? For example, there is a metric injected

Unsure about this one.


-- 
Jesse Becker
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