[tor-bugs] #33947 [Core Tor/sbws]: Compare sbws and Torflow

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#33947: Compare sbws and Torflow
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 Reporter:  juga                             |          Owner:  (none)
     Type:  defect                           |         Status:  new
 Priority:  Medium                           |      Milestone:  sbws:
                                             |  1.1.x-final
Component:  Core Tor/sbws                    |        Version:  sbws: 1.1.0
 Severity:  Normal                           |     Resolution:
 Keywords:  sbws-roadmap, GeorgKoppen202005  |  Actual Points:
Parent ID:  #33121                           |         Points:
 Reviewer:                                   |        Sponsor:
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Comment (by juga):

 Something have not commented here is to check is how individual bandwidth
 values differ from one authority to other.
 I think this is useful for #33871, so i'm including it here.
 For that, i've implemented a new function in
 https://gitlab.torproject.org/juga/bwauthealth.
 I obtained the bw of all bwauths for the consensus on 25.05.2020, then in
 libre office i calculated the median of the torflow bwauths, then
 calculated the percentage difference with longclaw and maatuska (right
 before maatuska changed to last sbws version) and finally counted the
 number of relays for which the percentage difference is greater than 50.
 This is 626 relays for lonclaw.
 Then i counted how many of the relays with a percentage difference greater
 than 50 are greater than 1.
 This is 151 for longclaw. The cases in which longclaw (but not Torflow)
 has bw 1 is probably because not having the descriptors and consensus
 bandwidth.
 I attach the libre office file.
 I think it would be interesting also to see if it's actually the case that
 those bw are 1 cause of missing descriptors/consensus.
 I could have include this calculations as part of the code too, but for
 now, it was faster this way.
 I leave for #33350 the case of maatuska and the case in which the sbws bws
 are greater than Torflow.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33947#comment:2>
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