[tor-bugs] #6355 [Metrics/Atlas]: Distinguish between running relays and non-running relays which last had the Running flag

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#6355: Distinguish between running relays and non-running relays which last had
the Running flag
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 Reporter:  karsten        |          Owner:  phw
     Type:  enhancement    |         Status:  needs_review
 Priority:  High           |      Milestone:
Component:  Metrics/Atlas  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Comment (by karsten):

 Replying to [comment:10 RaBe]:
 > Replying to [comment:9 karsten]:
 > > Hmm, I wonder if removing the `"Running"` flag is too much.  I see how
 it's potentially confusing to keep it, but removing it is not quite
 accurate.  Maybe there's a way to keep it?
 >
 > Isn't a flag that says "Running and usable" exactly the thing that
 confuses the users? :)

 Well, if a relay or bridge is currently not running, it doesn't have any
 flags assigned at the time.  But the list of flags that Onionoo provides
 is what the relay or bridge had assigned when it was last running.
 Removing one flag from that list is wrong.  We could remove all flags, but
 that would also remove potentially useful information.

 As would removing the `"Running"` flag.  For example, there can be bridges
 that are listed in the network status without the `"Running"` flag,
 because the bridge authority cannot successfully reach it.  So, knowing
 whether it had the `"Running"` flag when it was last around is
 information.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6355#comment:11>
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