[tor-bugs] #17919 [Onionoo]: Document history objects better

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#17919: Document history objects better
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 Reporter:  seansaito      |          Owner:  karsten
     Type:  task           |         Status:  needs_information
 Priority:  Medium         |      Milestone:
Component:  Onionoo        |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:  documentation  |  Actual Points:
Parent ID:                 |         Points:
  Sponsor:                 |
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Comment (by karsten):

 Onionoo provides bandwidth data from the last 1 month on the same
 granularity as reported by recent Tor versions, which is 1 data point for
 4 hours.  Earlier data is aggregated to 1 data point for 12 hours, then 2
 days, then 10 days.  This is an effective means to keep Onionoo documents
 at a roughly fixed size.  If there's a good reason to keep details around
 for longer, let's discuss that.  What's your use case here?

 Keeping data on Roster itself is not a good option, as I stated before.
 It should be stateless (except for caching) and rely on Onionoo to keep
 all state it needs.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17919#comment:4>
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