[tor-dev] onionoo details document deterministic output

[nusenu]

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Karsten Loesing:
>>> That timestamp is updated as last step of the hourly update
>>>>> process. The details documents that you're fetching may
>>>>> have been updated before.  That would also explain some
>>>>> differences.
>>> 
>>> Wouldn't it make sense to mention/use the timestamp of the 
>>> consensus that has been used to generate the output instead
>>> then?
> It *is* the timestamp of the consensus that has been used to
> generate the output.  But generating the documents that go into the
> output is not an atomic step.  It's an hourly cronjob that runs for
> 15--30 minutes and writes documents for all relays to disk, and
> only after that is done, the relays-published timestamp is updated
> on disk.  As I'm saying on one of the tickets, one way to change
> this would be to use a database and update all documents in a
> single transaction, but that's a major change to the current
> design.  Which doesn't mean we shouldn't do it, but it's not
> trivial, and maybe it's not the most pressing missing feature.

Would it be a quick and dirty fix to state the timestamp for every
record separately (to become "more atomic") or does that not fix
anything/is not possible? (I have no onionoo insides)
"fix" in terms of: a record with a given timestamp should not change
over time and multiple instances would provide the same record for a
given timestamp.
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