[tor-bugs] #18768 [Metrics/Analysis]: Calculate the fraction of dist.torproject.org traffic for Tor Browser downloads and updates

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#18768: Calculate the fraction of dist.torproject.org traffic for Tor Browser
downloads and updates
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 Reporter:  karsten           |          Owner:
     Type:  task              |         Status:  new
 Priority:  Medium            |      Milestone:
Component:  Metrics/Analysis  |        Version:
 Severity:  Normal            |     Resolution:
 Keywords:                    |  Actual Points:
Parent ID:                    |         Points:
 Reviewer:                    |        Sponsor:
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Comment (by karsten):

 Here's a new row for `/update_2/` which contains almost all of those 38%
 of requests that were previously contained in the "other" row and an
 additional column with the mean number of bytes per request:

 ||=Pattern =||= Number of Bytes=||= Fraction of Bytes=||= Number of
 Requests=||= Fraction of Requests=||= Mean Number of Bytes per Request=||
 ||`\.exe$` || 62650080788327|| 55%|| 2360824|| 3%|| 25 MiB||
 ||`\.tar\.xz$` || 12497704216145|| 11%|| 227004|| 0%|| 53 MiB||
 ||`\.dmg$` || 8352205765328|| 7%|| 156397|| 0%|| 51 MiB||
 ||`\.mar$` || 29958084372393|| 26%|| 43530110|| 58%|| 672 KiB||
 ||`/update_2/` || 2930515856|| 0%|| 28256673|| 38%|| 103 B||
 ||other || 228397786432|| 0%|| 265993|| 0%|| 839 KiB||
 ||total || 113689403444481|| 100%|| 74797001|| 100%|| 1 MiB||

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18768#comment:10>
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