[metrics-bugs] #33896 [Metrics/Consensus Health]: Depictor: stop claiming so many digits of precision for clock skew

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#33896: Depictor: stop claiming so many digits of precision for clock skew
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 Reporter:  arma                      |          Owner:  tom
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Metrics/Consensus Health  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by teor):

 NTP is accurate to within 1-100 milliseconds:
 https://en.m.wikipedia.org/wiki/Network_Time_Protocol

 So we definitely don't need to show the third digit.

 It's unlikely we will ever care about the first or second digit. But if
 there are ever race conditions in the authority voting code, it could be
 useful to know which authority goes first.

 It's worth noting that we show consensus download times in milliseconds.
 So maybe we could use millisecond precision for consistency?
 https://consensus-health.torproject.org/#downloadstats

 That said, most of the other times are in seconds.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33896#comment:2>
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