[tor-bugs] #22453 [Core Tor/Tor]: Relays should regularly do a larger bandwidth self-test

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#22453: Relays should regularly do a larger bandwidth self-test
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 Reporter:  arma                                 |          Owner:  juga
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.0.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  034-triage-20180328,                 |  Actual Points:
  034-removed-20180328, tor-bwauth,              |
  035-backport, 034-backport-maybe, 033          |
  -backport-maybe, 029-backport-maybe-not        |
Parent ID:  #25925                               |         Points:
 Reviewer:  teor                                 |        Sponsor:
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Comment (by juga):

 Replying to [comment:31 arma]:
 > Replying to [comment:28 teor]:
 > > > I don't think sbws suffers from similar issues, so once all the
 torflow scanners are gone, we can disable the bandwidth self-test code.
 Until then, it should be on and larger.
 >
 > I don't think we need to wait for all of the torflows to be gone. Isn't
 it enough to have one sbws scanner? Since that scanner would generate
 appropriate load on relays? And if we're worried that one isn't a stable
 situation, we should work on getting a second one, rather than messing
 with this design?

 Currently sbws prioritizes measuring relays for which it doesn't have
 results, it probably should then prioritize the relays with less uptime
 and not being measured according to the consensus.
 I can try to figure out how long it takes currently to sbws to measure
 those relays.
 If any of this sounds like a good idea, then i'll create tickets for sbws.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22453#comment:32>
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