[tor-bugs] #30735 [Core Tor/sbws]: Work out which relays are ignored by all sbws instances

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#30735: Work out which relays are ignored by all sbws instances
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 Reporter:  teor                                 |          Owner:  (none)
     Type:  task                                 |         Status:  new
 Priority:  Very High                            |      Milestone:  sbws:
                                                 |  1.1.x-final
Component:  Core Tor/sbws                        |        Version:
 Severity:  Critical                             |     Resolution:
 Keywords:  must-keep-3-torflow-blocker, sbws-   |  Actual Points:
  majority-blocker                               |
Parent ID:                                       |         Points:  2
 Reviewer:                                       |        Sponsor:
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Comment (by teor):

 Replying to [comment:1 juga]:
 > Replying to [ticket:30735 teor]:
 > > We need to find out if sbws is excluding any relays.
 > >
 > > If the number of excluded relays is small, we can go below 3 torflow
 instances.
 >
 > Respect to what?, i can think of:
 > - number of relays that are in the last consensus (currently 7478)
 * yes, let's compare with the consensus
 > - number of relays for which sbws gets the last descriptor (currently
 6571)
 * if we fix bug #30733, then sbws should get all the descriptors, so we
 won't need this comparison
 > - number of relays measured by torflow
 * yes, let's also compare with torflow
 * sbws ignores relays unless they are in the most recent consensus that it
 has, so it will have a lot fewer relays than torflow
 * we can fix this issue by fixing #30727

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30735#comment:3>
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