[metrics-bugs] #25241 [Metrics/Onionoo]: effective_family sometimes contains the relay's own fingerprint

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Mar 6 07:54:09 UTC 2018


#25241: effective_family sometimes contains the relay's own fingerprint
-----------------------------+------------------------------
 Reporter:  irl              |          Owner:  karsten
     Type:  defect           |         Status:  needs_review
 Priority:  Medium           |      Milestone:
Component:  Metrics/Onionoo  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:  iwakeh           |        Sponsor:
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Comment (by iwakeh):

 Replying to [comment:9 karsten]:
 > Hmm. Interesting idea. Some thoughts/questions:
 >  - What would the `"effective_family"` field contain if a relay is not
 in an effective family with any other relay?

 A family consists of that relay then, or we decide that it needs more than
 one to be a family, but that seems counter intuitive.

 >  - The suggestion is to include the relay itself to `"effective_family"`
 only, and not to `"alleged_family"` or `"indirect_family"`, right?

 The protocol states clearly that the effective family relays are not
 contained therein.  So, actually, the 'self' needs to be in the effective
 family to make these correct.

 >
 > I'm open to this idea, especially if it makes processing easier for
 Onionoo clients. It's a bit redundant to include the same fingerprint
 twice in a document, but we made similar decisions in the past where some
 redundancy is acceptable if that makes it easier to process results.
 >

 It follows the protocol more closely, I think.

 > I'll look closer at the branch as soon as we have made a decision here.

 Even the other way wouldn't need big changes to the patch, only test
 adaption.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25241#comment:10>
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