[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:  needs_review
 Priority:  Medium                  |      Milestone:  Tor: 0.2.8.x-final
Component:  Core Tor/Tor            |        Version:  Tor: 0.2.8.1-alpha
 Severity:  Normal                  |     Resolution:
 Keywords:  must-fix-before-028-rc  |  Actual Points:
Parent ID:                          |         Points:  small
 Reviewer:  nickm                   |        Sponsor:
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Changes (by nickm):

 * reviewer:   => nickm


Comment:

 f2e9af1b859287d24201a65213ab6ad5362e9c99 --
   * looks fine, though the comment was a little unclear to me.  I'll fix
 that though.  '''nickm''' -- clarify the comment on
 download_status_cert_init to clarify that download_status_cert_init() is
 _not_ okay to call after the first failure has occurred.

 87fdbb6 and bea0819 --
   * I'm not sure about these, because they bring back the presence of
 authorities as client enumerators.  With these patches, since every
 fallback will go down _sometimes_, every client will try an authority
 _sometimes_, and the authorities will still be able to enumerate them.
 What if, as an alternative solution, we just use a sdifferent schedule for
 certificate downloads?   Are they still really necessary with f2e9af1 ?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18816#comment:6>
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