[tor-bugs] #34257 [Metrics/Onionperf]: Analyze unusual distribution of time to extend to first hop in circuit

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon May 25 13:44:01 UTC 2020


#34257: Analyze unusual distribution of time to extend to first hop in circuit
-------------------------------+--------------------------------
 Reporter:  karsten            |          Owner:  metrics-team
     Type:  defect             |         Status:  new
 Priority:  Medium             |      Milestone:
Component:  Metrics/Onionperf  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:  Sponsor59-must
-------------------------------+--------------------------------

Comment (by karsten):

 Not an answer to the questions, but some additional information: The
 experimental Hong Kong instance only measures onion service, because I
 didn't want to mess with firewalls. You might need to take that into
 account by comparing the numbers to onion service results from the other
 instances. I can't say whether that makes a difference.

 Additionally, the experimental instance only downloads 5 MiB files. That
 very likely doesn't matter here, but it might turn out to be useful if we
 compare fb2lb (first byte to last byte) of these few days to the two weeks
 of existing measurements from the other instances.

 Bug in OnionPerf? What do you mean, eh? ;) (Thanks for digging into this!)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/34257#comment:8>
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