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

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#21394: connection timeouts are affecting Tor Browser usability
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 Reporter:  arthuredelstein                      |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-performance, tbb-usability,      |  Actual Points:
  performance, tbb-needs                         |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by arthuredelstein):

 I ran three more rounds of tests today, with hours in between each.
 Results:
 https://arthuredelstein.net/tor/21394/exit_results_20171102_2209.json
 https://docs.google.com/spreadsheets/d/1p9HLXl-
 pMPuXOWsr5ZfpiIAAvs1QwljcksnuI8PDtEQ/edit?usp=sharing

 In short, our 5 exits showed absolutely no timeouts. In the three rounds
 in this comment and one round in the previous comment, we had 5 tests per
 exit connecting to example.com. So that's a total of 100 tests with no
 timeouts.

 Nex, I would like to try reverting resolv.conf for these exits and see if
 DNS starts causing timeouts again.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21394#comment:39>
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