[tor-bugs] #19938 [Metrics/CollecTor]: stats on versions of Tor that bridges are running

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#19938: stats on versions of Tor that bridges are running
-------------------------------+---------------------
 Reporter:  isabela            |          Owner:
     Type:  defect             |         Status:  new
 Priority:  High               |      Milestone:
Component:  Metrics/CollecTor  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:  #19728             |         Points:
 Reviewer:                     |        Sponsor:
-------------------------------+---------------------

Comment (by karsten):

 weasel was confused by the bridge numbers above and how they don't match
 the absolute number of bridges in the network.  The numbers above are just
 a distribution of versions, computed by looking at all bridge server
 descriptors that happened to be published in a given hour.  This was just
 a shortcut to get to the overall distribution, but I can see how it
 confuses people.

 Here's a more precise view on bridge versions, this time with more
 accurate absolute bridge numbers.  These numbers are based on two recent
 bridge network statuses, one by Bifroest (1D8F...) and one by Tonga
 (4A0C...), and the platform lines of referenced bridge server descriptors.

 {{{
  866 20160830-184232-1D8F3A91C37C5D1C4C19B1AD1D0CFBE8BF72D8E1,Tor 0.2.8.7
 on Linux
  711 20160830-184232-1D8F3A91C37C5D1C4C19B1AD1D0CFBE8BF72D8E1,Tor
 0.2.9.2-alpha on Linux
  428 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.7.6
 on Linux
  200 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.8.6
 on Linux
  152 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.5.12
 on Linux
  112 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.23
 on Windows 8
  109 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.23
 on Windows 7
   81 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.27
 on Linux
   62 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.6.10
 on Linux
   44 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor
 0.2.8.2-alpha on Linux
   41 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.5.10
 on Linux
   24 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.22
 on Windows 7
   22 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.22
 on Windows 8
   19 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.7.6
 on FreeBSD
   14 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.23
 on Linux
   13 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.23
 on Windows XP
   13 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.20
 on Windows 7
   11 20160830-184232-1D8F3A91C37C5D1C4C19B1AD1D0CFBE8BF72D8E1,Tor 0.2.9.2
 -alpha-dev on Linux
   10 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.7.6
 on Windows 8
    9 20160830-180625-4A0CCD2DDC7995083D73F5D667100C8A5831F16D,Tor 0.2.4.22
 on Linux
 }}}

 This output means that there have been 866 bridges on "Tor 0.2.8.7 on
 Linux" in Bifroest's 18:42 network status.  Hope this is less confusing.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19938#comment:5>
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