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Port Haskell and JavaScript code to dimensional Metrics. #64

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@lucasdicioccio lucasdicioccio commented Apr 22, 2017

This experiment goes with haskell-github-trust/ekg-core#17 and haskell-github-trust/ekg-json#6 .

FizzBuzz in EKG:
screen shot 2017-04-22 at 17 05 34

event <- getDistribution "runtime" handle
handle <- forkServer "0.0.0.0" 8000
baseCounter <- getCounter "iterations" [] handle
fizzCounter <- getCounter "iterations" ["dim0:fizz"] handle
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Regarding the comment I gave on the pull request in ekg-core. I think its here I'd rather see that the dimension names don't have to be repeated (albeit that does imply they need to be positional).

label <- getLabel "args" handle
event <- getDistribution "runtime" handle
handle <- forkServer "0.0.0.0" 8000
baseCounter <- getCounter "iterations" [] handle
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I don't think it makes sense for a counter to be accessed with only some dimensions. What does it mean to increment a counter that has been given e.g. a URL and a HTTP status code dimension without providing values for those when incrementing it?

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For example, what would it mean to sum up all the values in a metric if you have "global" counts and indexed counts?

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