[tbb-bugs] #16028 [Tor Browser]: Many users seem to be failing incremental updates to 4.5.1

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#16028: Many users seem to be failing incremental updates to 4.5.1
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     Reporter:  mikeperry    |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  major        |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  tbb-updater
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by mcs):

 Replying to [comment:6 mikeperry]:
 > One more datapoint: The total counts of full update downloads exceeded
 the incremental download counts on May 17th, and there have been more full
 update downloads than incremental downloads every since. I am now
 wondering if we may actually be seeing users failing the full update and
 retrying repeatedly, perhaps due to #15857 or some other issue?

 #15857 is possible although one would think that if #15857 was a common
 problem Mozilla would have noticed it and fixed it by now (but a TB
 installation does have a lot more files / more hierarchy than Firefox).

 > Unless we have other ideas, my next plan is to create some munin scripts
 to monitor this for future releases, so we can get an idea what happens
 when we don't update the torrc or startup scripts, and don't have #15857
 in the mix.

 That sounds like a good idea.  Another thing we could do is to build a
 prompt and upload mechanism into TB to allow users to send us the updater
 log after failed incremental updates (but maybe most of our users would
 just click "No Thanks").

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16028#comment:7>
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