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Re: [tor-bugs] #1854 [Analysis]: Investigate raising the minimum bandwidth for getting the Fast flag
#1854: Investigate raising the minimum bandwidth for getting the Fast flag
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Reporter: arma | Owner: arma
Type: task | Status: assigned
Priority: normal | Milestone:
Component: Analysis | Version:
Keywords: performance loadbalancing | Parent:
Points: | Actualpoints:
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Comment(by karsten):
Replying to [comment:13 gsathya]:
> Replying to [comment:12 karsten]:
> > gsathya, asn, is this something you want to look into?
>
> Yep. How do you want the output of the script to look like?
Cool! How about a format similar to #6232?
{{{
validafter,min_cw,relays,all,max_all,exit,max_exit,guard,max_guard,country,max_country,as,max_as
2012-09-10
01:00:00,1,3040,7.44,11.26,5.79,9.73,6.12,8.99,3.23,6.26,5.44,9.57
2012-09-10 01:00:00,2,[...]
}}}
In that output, `min_cw` is the minimum consensus weight of relays that we
keep in the consensus. That value would start at the smallest consensus
weight in the network, and we'd calculate entropy values for all relays in
the consensus. Then we'd raise the minimum to the second-smallest value
in the network, throw out all relays below that value, and compute new
entropy values. Continue until we're at the relay with highest consensus
weight.
The first column, `validafter`, is the consensus valid-after time. The
third column, `relays`, contains the number of relays left. The other
columns (`all`, `max_all`, etc.) are defined similar to #6232.
'''Roger''', please note that I assumed you want to cut out relays based
on consensus weight, not advertised bandwidth. Please correct me if that
assumption is wrong. (Writing the analysis script for consensus weights
is probably easier, so we could later extend it to advertised bandwidth if
required.)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1854#comment:18>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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