[tor-bugs] #18816 [Core Tor/Tor]: We still wait 120 seconds for cert fetches from missing dir mirrors

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#18816: We still wait 120 seconds for cert fetches from missing dir mirrors
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 Reporter:  arma                                 |          Owner:
     Type:  defect                               |         Status:
 Priority:  Medium                               |  merge_ready
Component:  Core Tor/Tor                         |      Milestone:  Tor:
 Severity:  Normal                               |  0.2.8.x-final
 Keywords:  must-fix-before-028-rc,              |        Version:  Tor:
  CoreTorTeam201605, review-group-1              |  0.2.8.1-alpha
Parent ID:                                       |     Resolution:
 Reviewer:  nickm                                |  Actual Points:
                                                 |         Points:  small
                                                 |        Sponsor:
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Changes (by teor):

 * status:  needs_revision => merge_ready


Comment:

 Please see my branch bug18816_simplify in which I revert "Switch between
 fallback and authority when auth cert fetch fails", and change the
 comments to confirm that's what we want.

 arma says this is unnecessary complexity, because after #18963, failing to
 fetch certificates only occurs when a connection fails or tor quits after
 a downloading a consensus but before downloading enough certificates, and
 it is a transient issue that will go away with the next successful
 certificate or consensus fetch.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18816#comment:15>
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