[collectd] Combing Host Groups

[Florian Forster]

Hi Matt,

On Fri, Mar 04, 2016 at 04:38:25PM +0000, Matt.Garrett at shell.com wrote:
> Using the Plugin aggregation I can get the total CPU usage for one
> host but cannot see a way to get the CPU usage for ALL the Hosts in
> the Group bngsti*

you can pass a regular expression to the "Host" option to achieve this.
Something along the lines of:

  <Aggregation>
    Host "/^bngsti/"
    Plugin "cpu"
    Type "percent"
    
    CalculateSum true
  </Aggregation>

As Giovanni mentioned, though, a front-end is liekly better suited to do
this. I think that facette (https://facette.io/) is able to do that.

Best regards,
—octo
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