[tor-bugs] #20228 [Metrics/CollecTor]: Append all votes with same valid-after time to a single file in `recent/`

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#20228: Append all votes with same valid-after time to a single file in `recent/`
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 Reporter:  karsten            |          Owner:
     Type:  enhancement        |         Status:  needs_information
 Priority:  High               |      Milestone:
Component:  Metrics/CollecTor  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:
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Comment (by karsten):

 Good question!  First answer: microdescriptors are already grouped by
 download time, so this issue already exists and is not something we'd
 introduce now.

 Second answer: I remember this was painful when implementing the code a
 few years back.  I can't provide you with a good solution right now, but I
 suggest reading up how the current code handles this issue.  One possible
 starting point:

 https://gitweb.torproject.org/collector.git/tree/src/main/java/org/torproject/collector/relaydescs/RelayDescriptorDownloader.java#n70

 Let's talk more next week if this doesn't make sense.  I just wanted to
 confirm that this is indeed an issue, but also say that it's nothing we're
 introducing right now.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20228#comment:9>
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