[tor-bugs] #25383 [Metrics/Website]: Deprecate stats.html and stats/*.csv files

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#25383: Deprecate stats.html and stats/*.csv files
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 Reporter:  karsten          |          Owner:  karsten
     Type:  enhancement      |         Status:  needs_review
 Priority:  Medium           |      Milestone:
Component:  Metrics/Website  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Changes (by karsten):

 * status:  accepted => needs_review


Comment:

 Alright, I now have some code to review. This code implements my latest
 suggestion above. The R code is tested, the one-line Java code change is
 not. Please take a look at [https://gitweb.torproject.org/karsten/metrics-
 web.git/log/?h=task-25383 my task-25383] branch with two commits, 0975ca1
 and d3b280a.

 If this branch looks reasonable, I'll test-deploy it for a few days to let
 others try out the new behavior. It's fully backward-compatible (it only
 adds columns and rows), so we're not breaking anything by deploying it and
 going back to master shortly after.

 Next steps after that, in no particular order:
  - Decide where to add the legend (Java or R).
  - Discuss whether we want to use wide/long format for these CSVs. Yes, we
 should have had this discussion a few weeks back, but it's better to have
 it next week than never.
  - Decide how we announce and make changes in the future, in particular
 backward-incompatible ones. For example, Onionoo has a
 `"next_major_version_scheduled"` field to announce backward-incompatible
 changes, and we need something like that, too.
  - Add a note to stats.html saying when it's going to go away.
  - Add a note to CSV file header saying it's still BETA until the same
 date as mentioned on stats.html, maybe with 2 or 4 weeks overlap.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25383#comment:16>
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