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Add metrics (engine, analyzer, regex, pilosa) based on go-kit interface. #744
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Signed-off-by: kuba-- [email protected]
Orchestrate mysql server by metrics based on
go-kit
metrics interface.Generic implementation (to satisfy prometheus, etc.) comes with some constraints (like you cannot reregister the same metric, you cannot reuse constructors, so we cannot pass builders to some kind of registry etc.). So, we ended up with following proposal, where you have to initialize global vars per package.
By default all metrics are based on
discard
implementation which is basicallynoop
.