[tor-bugs] #21394 [Core Tor/Tor]: connection timeouts are affecting Tor Browser usability

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Mar 28 23:34:58 UTC 2018

#21394: connection timeouts are affecting Tor Browser usability
 Reporter:  arthuredelstein                      |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  029-backport, 031-backport, tbb-     |  Actual Points:
  performance, tbb-usability, performance, tbb-  |
  needs, 033-triage-20180320,                    |
  033-included-20180320                          |
Parent ID:                                       |         Points:
 Reviewer:  mikeperry                            |        Sponsor:

Comment (by Dhalgren):

 1) yes

 2) yes

 3) yes, particularly because with multiple resolvers all requests pending
 on one marked down are requeued to other resolvers--possibly hundreds; in
 the single resolver case no action is taken and a down-state is advisory,
 clears on arrival of successful answer and eventdns carries on

 please use Dhalgren <dhalgren.tor at gmail.com> [dhalgren dot tor at gmail
 dot com]

 thank you!

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21394#comment:92>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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