By the way, if anyone's interested we've open-sources our library and it 
can be found on github <https://github.com/outbrain/prometheus-client>.

On Monday, April 10, 2017 at 10:23:58 AM UTC+3, Guy Marom wrote:
>
> Hello everyone,
>
> I'm part of the team in my company that's in charge of metrics and we 
> recently implemented a library to wrap Dropwizard metrics for consumption 
> in Prometheus as their Java client is problematic.
> A lot of our developers expressed the need of a "SettableGauge" - a gauge 
> with a "set" method.
> I was wondering if any consideration was ever given to this and if there 
> are drawbacks to this method?
>
> One drawback we are aware of is that it is confusing. Since Prometheus 
> "pulls" the values from the process it's entirely possible that not all the 
> values that were set to the gauge will later show in Prometheus' database.
>
> Thanks for the information,
>
> Guy
>

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