Manually set objectives Prometheus metrics #1257
Merged
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Prometheus client just released version 1.0.0 on 15 June 2019 which removed default objectives from default summary. So we are required to set objectives manually or the metrics won't show up.
This PR set default objectives for all metrics that use
SummaryOpts
Ref: https://github.com/prometheus/client_golang/blob/505041cff1d2b843800a4f384694dcf62fb3e69c/CHANGELOG.md