[metrics-bugs] #22216 [Metrics/CollecTor]: Decide whether to sanitize padding-counts lines

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#22216: Decide whether to sanitize padding-counts lines
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     Reporter:  karsten            |      Owner:  metrics-team
         Type:  enhancement        |     Status:  new
     Priority:  High               |  Milestone:
    Component:  Metrics/CollecTor  |    Version:
     Severity:  Normal             |   Keywords:
Actual Points:                     |  Parent ID:
       Points:                     |   Reviewer:
      Sponsor:                     |
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 I found this message in CollecTor's logs today:

 {{{
 2017-05-10 06:09:07,711 WARN o.t.c.b.SanitizedBridgesWriter:1212
 Unrecognized line 'padding-counts 2017-05-10 01:48:43 (86400 s) bin-
 size=10000 write-drop=10000 write-pad=10000 write-total=10000 read-
 drop=10000 read-pad=10000 read-total=70000 enabled-read-pad=0 enabled-
 read-total=0 enabled-write-pad=0 enabled-write-total=0 max-chanpad-
 timers=0'. Skipping.
 }}}

 We need to decide whether it's okay to keep these lines in sanitized
 bridge descriptors, and if not, how to sanitize them.  I believe it's okay
 to keep them, but I'd like to get confirmation on that.

 Note that we should make this decision soon, because we're currently not
 sanitizing descriptors containing these lines.  That means those bridges
 cannot be found in Atlas and won't be included in any statistics.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22216>
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