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Update prometheus-node-exporter NTP metrics
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We've replaced the metrics of the NTP diamond collector with the buit-in NTP support in prometheus-node-exporter. Support in 0.14 is pretty limited, though, it's only exporting drift and stratum. The previously used metric in the Diamond collector (delay, representing the round-trip-time to the authoratative server) is missing. We could backport or wait until we upgrade to a more recent version of prometheus-node-exporter with that change.

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colewhite triaged this task as Medium priority.Nov 6 2018, 8:13 PM

Indeed, upgrading node-exporter from 0.14 to 0.16 at least would entail making some changes to e.g. command line flags and cater for the renamed metrics e.g.

Reopening, once T213708 is done there's also followup work for this, e.g. updating dashboards.