[metrics-bugs] #26963 [Metrics/Onionoo]: regression in host_name field introduced in v6.1

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#26963: regression in host_name field introduced in v6.1
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 Reporter:  nusenu           |          Owner:  metrics-team
     Type:  defect           |         Status:  new
 Priority:  High             |      Milestone:
Component:  Metrics/Onionoo  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Changes (by karsten):

 * priority:  Medium => High
 * cc: metrics-team (added)


Comment:

 Let's take a look at Onionoo's internal statistics:

 {{{
 2018-07-29 08:40:37,001 Reverse domain name resolver
     19 lookups performed
     11 verified results found
     1 unverified results found
     00:00.058 minutes minimum lookup time
     00:01.039 minutes median lookup time
     00:03.370 minutes maximum lookup time
 }}}

 Here's a plot of those six numbers for July 2018 so far:

 [[Image(onionoo-rdns-stats.png​)]]

 No doubt, there's a change on or around July 16 when we deployed the new
 lookup code. The total number of lookups performed per hour went down a
 lot. It didn't go down to zero, so it's still doing something, but it went
 down enough to be too low to be useful.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26963#comment:1>
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