[tor-bugs] #18163 [DirAuth]: Consensus health doesn't track direct connection timings

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

#18163: Consensus health doesn't track direct connection timings
-----------------------------+----------------------------------
     Reporter:  micah        |      Owner:
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:
    Component:  DirAuth      |    Version:
     Severity:  Normal       |   Keywords:  consensus, faravahar
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
-----------------------------+----------------------------------
 The directory authority munin graphs (ygzf7uqcusp4ayjs.onion) that track
 direct download timeouts show a significant problem with Faravahar. The
 timeouts are so bad that it was impossible to directly fetch network
 documents from Faravahar because it would fail almost all of the time and
 cause the graphs to be useless.

 Sina was notified about this problem, and he pointed out that the
 connectivity was fine because https://consensus-
 health.torproject.org/#downloadstats shows that Faravahar is doing good
 there, has no timeouts and sometimes is even better than others.

 It seems like consensus-health is only using client timings (where the
 client requests the consensus via a one-hop tor circuit tunneled
 connection). For the case of Faravahar, this works fine, and thus in
 consensus health we see no issues with it.

 The problem is that Faravahar is dying during the direct connections.
 These direct connections are what all tor relays do
 (and not the tunneled connections).

 consensus-health should track these direct connections in addition to the
 tunneled connections, so that these network issues can be exposed better.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18163>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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