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[Michael Leinartas <question188024@xxxxxxxxxxxxxxxxxxxxx>]

Question #188024 on Graphite changed:
https://answers.launchpad.net/graphite/+question/188024

    Status: Open => Answered

Michael Leinartas proposed the following answer:
For the same metric, no not at the moment (though support for this is
planned). If multiple Graphite stores are queried, the Graphite webapp
will use data from the first it hears back from. This is true for single
metrics, though more likely you'll have separate metrics keyed to each
datacenter and that will work as expected.

So if you have being recorded:
Datacenter A: webserver.total.requests
Datacenter B: webserver.total.requests

That wont work as the graph will always be missing one of those identical metrics
however, if you have
Datacenter A: webserver.datacenter_a.total.requests
Datacenter b: webserver.datacenter_b.total.requests

This will be fine - both metrics can be served in a single graph and can
be combined (using, say, sumSeries()).

Note that the documentation is very lacking in setups like this so be
prepared to spend a decent amount of effort getting this up and running

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