[tor-bugs] #26767 [Metrics/Relay Search]: add consensus weight line/graph

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#26767: add consensus weight line/graph
--------------------------------------+--------------------------
     Reporter:  nusenu                |      Owner:  metrics-team
         Type:  enhancement           |     Status:  new
     Priority:  Medium                |  Milestone:
    Component:  Metrics/Relay Search  |    Version:
     Severity:  Normal                |   Keywords:
Actual Points:                        |  Parent ID:
       Points:                        |   Reviewer:
      Sponsor:                        |
--------------------------------------+--------------------------
 Relay Search has two graphs showing bw history data and relative values
 (fraction and probabilities):

 * consensus weight fraction
 * middle probability
 * guard probability
 * exit probability
 * written bytes per second
 * read bytes per second

 One of the most relevant question for a relay operator is:
 How is my relay doing?
 Is it doing better or worse than usually?

 A good data point to answer this is to look at the cw value over time (not
 cw fraction) since the probabilities and fraction values are relative and
 not directly controllable by the operator (i.e. other operators add
 relays).


 This will allow relay operators to answer questions like:
 "My cw fraction decreased, was it because my cw decreased or did my cw
 remain stable and someone else added more resources?"

 a graph showing the ratio between cw fraction to cw would also be nice
 since it answers above question more directly without having to compare
 the cw and cw fraction lines manually

 onionoo data:
 https://metrics.torproject.org/onionoo.html#weights_relay_consensus_weight

 the onion box displays a cw graph:
 https://raw.githubusercontent.com/ralphwetzel/theonionbox/master/docs/images/weights.png

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26767>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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