[tor-bugs] #3338 [Analysis]: Why do our user graphs have these huge spikes?

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#3338: Why do our user graphs have these huge spikes?
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 Reporter:  arma      |          Owner:     
     Type:  task      |         Status:  new
 Priority:  normal    |      Milestone:     
Component:  Analysis  |        Version:     
 Keywords:            |         Parent:     
   Points:            |   Actualpoints:     
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 There were three usage spikes in April and one at the end of May. They
 happen in many countries at once. So my assumption is that they're errors
 in our user counting algorithm.

 The ones in April happened around the same time as #2704 blew up, so we
 thought they were related. The one at the end of May shouldn't be related.

 So what is changing in the measurements we gather that makes it spike?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3338>
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