[tor-bugs] #25685 [Core Tor/Tor]: Tor relays publish a new descriptor but authorities drop it because they think it's only cosmetically different, and then the relay waits 18 more hours to publish, thus falling out of the consensus

Mon Apr 2 01:30:38 UTC 2018

#25685: Tor relays publish a new descriptor but authorities drop it because they
think it's only cosmetically different, and then the relay waits 18 more
hours to publish, thus falling out of the consensus
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 Reporter:  arma                  |          Owner:  (none)
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:
Component:  Core Tor/Tor          |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  034-roadmap-proposed  |  Actual Points:
Parent ID:                        |         Points:
 Reviewer:                        |        Sponsor:
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Comment (by arma):

 Replying to [comment:1 teor]:
 > We might want to rate-limit republishing to N descriptors per hour, but
 I'm not sure what that gets us, because we've already received and parsed
 the descriptor by the time we reject it.

 Well, for one it gets us "the dir auths don't fill up their disk with
 cached descriptors", since because of bug #25686 I'm seeing 1.65M buggy
 descriptor publishes per two weeks, which works out to more than one per
 second on average.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25685#comment:3>
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