Re: RFC: metric labels as first-class PCP concept

----- Original Message -----
> ----- Original Message -----
> > [...]
> > % pminfo -f pmcd.labels
> > @labels: {"datacenter":"sydney", "host":"acme1", "deployment":"production"}
> 
> OK, so returning to global labels & JSON - I could see JSON working for
> the label values, possibly, maybe.
> 
> It does raise concerns that it will quickly get abused via deep levels
> of nesting and inconsistencies between JSON tags, giving client tools
> little to work with - in which case the value of adding labels could
> become lost (if we use JSON, we'd have to have mandatory fields like
> "name" and "value" at least I think to provide some basic client-side
> certainty).

Oh, that doesn't make sense -> there's no need for top level name= and
value= as its implied.  I think I lean a little further toward JSON as
labels format over simple name=value pairs then, although not totally
convinced yet.  I would love to see some concrete examples where other
JSON syntax (arrays, objects) make sense as values, because if there's
none, "name=value host=acme1" is still simpler and more compact.

cheers.

--
Nathan

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