[tor-dev] Removing Countries with Low Counts from Metrics

[Karsten Loesing]

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On 02/11/16 07:38, teor wrote:
> Hi,
> 
> Have we considered removing countries with low counts from
> metrics? (This probably means removing the metrics at the relays,
> not just the graphs.)
> 
> For example, two places that are close to home for me: 
> https://metrics.torproject.org/userstats-relay-country.html?graph=userstats-relay-country&country=cx&events=on
>
> 
https://metrics.torproject.org/userstats-relay-country.html?graph=userstats-relay-country&country=cc&events=on
> 
> If you suspected that someone was one of the few users on either of
> these small islands, it would be easy to monitor these graphs and
> determine when they were using Tor.
> 
> Particularly in combination with the Australian Government's
> ISP-based metadata retention.
> 
> T

Hi teor,

good question!  I don't have a good answer right now, but I'm
optimistic that I'll have one after we finished the following milestone:

2017-01: Perform an analysis on reducing the amount of sensitive,
potentially personally identifying data stored in memory of Tor relays
and bridges or reported to the directory authorities. (Sponsor X 4.1.
Tor daemon)

(from
https://trac.torproject.org/projects/tor/wiki/org/teams/MetricsTeam#RoadmapfromOctober2016toJune2017)

The results will be posted to this mailing list, and intermediate
results will either be discussed on the metrics-team@ mailing list or
on Trac.  Please feel free to watch or contribute as you like!

All the best,
Karsten

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