Examplars are available when using the OpenMetrics exposition format.
promhttp.HandlerOpts{
// Opt into OpenMetrics to support exemplars.
EnableOpenMetrics: true,
},
Additionally, you need to use the correct Accept header, e.g.
curl -H 'Accept: application/openmetrics-text; version=0.0.1'
http://myapp/metrics
Regards,
On 09 Nov 13:29, 'Hao Ke' via Prometheus Users wrote:
> Hi there,
> I want to use the exemplar feature to expose exemplar to metrics.
> I found the a promising example code here:
> https://github.com/prometheus/client_golang/blob/master/examples/random/main.go#L99
>
> But when I download and run the whole example, I still can't see exemplar.
>
>
> all I got was like
>
> ...
> rpc_durations_histogram_seconds_bucket{le="1.0000000000000216e-05"} 11
> rpc_durations_histogram_seconds_bucket{le="0.00011000000000000022"} 14
> rpc_durations_histogram_seconds_bucket{le="0.00021000000000000023"} 16
> rpc_durations_histogram_seconds_bucket{le="0.0003100000000000002"} 17
> rpc_durations_histogram_seconds_bucket{le="0.0004100000000000002"} 19
> rpc_durations_histogram_seconds_bucket{le="0.0005100000000000003"} 19
> ...
>
> But I was expecting something like
>
> rpc_durations_histogram_seconds_bucket{le="0.0005100000000000003"} 19 *#
> {"dummyID":
> "xxxxx"}*
>
> Did I missed anything?
>
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--
Julien Pivotto
@roidelapluie
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