[tor-bugs] #2715 [Tor Directory Authority]: Is rephist-calculated uptime the right metric for HSDir assignment?

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#2715: Is rephist-calculated uptime the right metric for HSDir assignment?
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 Reporter:  arma                     |          Owner:     
     Type:  enhancement              |         Status:  new
 Priority:  normal                   |      Milestone:     
Component:  Tor Directory Authority  |        Version:     
 Keywords:                           |         Parent:     
   Points:                           |   Actualpoints:     
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Comment(by arma):

 I think WFU is the wrong metric. What we're looking for is likelihood of
 staying up for the next n minutes (where n is something we should discover
 in #2714).

 Currently we assume that if you've been up 26 hours, you'll be up a while
 more. No idea if that assumption is justified. We have the data if
 somebody wants to look.

 Really, the metric we're looking for here is much more akin to MTBF.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2715#comment:2>
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