[metrics-bugs] #21378 [Metrics/CollecTor]: Archive bwauth bandwidth files

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#21378: Archive bwauth bandwidth files
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 Reporter:  tom                     |          Owner:  metrics-team
     Type:  enhancement             |         Status:  new
 Priority:  Medium                  |      Milestone:
Component:  Metrics/CollecTor       |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  tor-bwauth tor-dirauth  |  Actual Points:
Parent ID:                          |         Points:
 Reviewer:                          |        Sponsor:
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Comment (by teor):

 Replying to [comment:16 karsten]:
 > Replying just to the parts where I wouldn't reply "okay, cool!":
 >
 > Replying to [comment:15 teor]:
 > > Replying to [comment:14 karsten]:
 > > > In the future, we can switch to fetching only those files that are
 referenced from votes, unless for some reason we want to have non-
 referenced files, too.
 > >
 > > How are bandwidth files referenced from votes?
 > >
 > > I don't think we will implement "bandwidth-file-url" from
 https://trac.torproject.org/projects/tor/ticket/21378?replyto=14#comment:6
 > >
 > > Tor 0.3.5? and later add bandwidth file headers to each vote, and we
 may add a bandwidth file hash in future. Once all authorities upgrade, you
 can fetch the bandwidth file if the vote contains headers.
 >
 > I guess I was thinking of 0.3.5 then. I'm not aware of any other plans.

 The ticket for putting the bandwidth file hash in the votes is #26698.

 Will you use a hexadecimal hash when you archive the bandwidth files?
 If so, maybe we should switch to a hexadecimal hash in the vote.
 (I said base64 when I did the initial design, but consistency is more
 important than saving a few bytes.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21378#comment:17>
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