[tor-bugs] #31422 [Circumvention/BridgeDB]: Make BridgeDB report internal metrics

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#31422: Make BridgeDB report internal metrics
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 Reporter:  phw                     |          Owner:  (none)
     Type:  enhancement             |         Status:  new
 Priority:  Medium                  |      Milestone:
Component:  Circumvention/BridgeDB  |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  metrics, s30-o21a1      |  Actual Points:
Parent ID:  #31274                  |         Points:  2
 Reviewer:                          |        Sponsor:  Sponsor30-can
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Comment (by phw):

 We briefly discussed this in [http://meetbot.debian.net/tor-meeting/2019
 /tor-meeting.2019-12-12-17.59.html today's anti-censorship meeting]. Some
 additional metrics we may want to add:
 * The number of users a single bridge has been given to over time, i.e.,
 how long to give to 10 users, how long to give to 100, how long to give to
 1000, etc.
 * Once we have the ability for BridgeDB to test if bridges are down (see
 #31874), it would be nice to know how reliable our bridges are (how much
 uptime they have or how many are currently working).
 * A way to measure if the bridge is reachable from certain locations (see
 #32740).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31422#comment:3>
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