[tor-dev] Dirauth setting for PathsNeededToBuildCircuits

[Jesse V]

Tor clients can only build circuits once they know enough about the
network. This "know enough" threshold is determined by the
PathsNeededToBuildCircuits setting. From reading Tor's manual, it seems
that a setting of X tells Tor clients to wait until they have enough
descriptors/microdescriptors such that they have X percentage of
consensus weight. By default PathsNeededToBuildCircuits is determined by
the directory authorities.

I'm curious, how is PathsNeededToBuildCircuits set? I don't see that
value in the microdescriptor documents, it doesn't seem to be documented
in tor-spec, and I don't see much about it online, but maybe I missed
something. What is the typical value? I see that 0.95 is the cutoff, but
how high will prevent a client from bootstrapping?

-- 
Jesse V

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