[tor-project] August 2018 report for the metrics team

[Karsten Loesing]

Hello Tor, hello world!

Below you'll find the highlights of Tor metrics team work done in August
2018.

On behalf of the Tor metrics team,
Karsten


Moved ExoneraTor to its own webpage on Tor Metrics [1] in an effort to
bundle all user-facing metrics-related content and services on the Tor
Metrics website.

 [1] https://metrics.torproject.org/exonerator.html

Released ExoneraTor 3.0.0 [2] which prepared moving the service to Tor
Metrics and 3.0.1 [3] which fixed links to nearby IP addresses.

 [2]
https://lists.torproject.org/pipermail/tor-relays/2018-August/015885.html
 [3]
https://lists.torproject.org/pipermail/tor-relays/2018-August/016003.html

Modified per-graph CSV files available on Tor Metrics [4, 5] in
preparation of deprecating and removing pre-aggregated CSV files after
September 15 [6].

 [4] https://metrics.torproject.org/stats.html
 [5] https://bugs.torproject.org/26998
 [6] https://lists.torproject.org/pipermail/tor-dev/2018-July/013371.html

Released four Onionoo versions: 6.2-1.16.0 [7] which adds parameters and
fields around AS numbers and names, 6.2-1.16.1 [8] which fixes an error
in the serialization of history documents, 6.2-1.17.0 which fixes errors
with the searching for relays with unknown AS numbers, and 6.2-1.17.1
[9] which fixes issues with slow reverse DNS lookups.

 [7] https://lists.torproject.org/pipermail/tor-dev/2018-August/013384.html
 [8] https://lists.torproject.org/pipermail/tor-dev/2018-August/013390.html
 [9] https://lists.torproject.org/pipermail/tor-dev/2018-August/013392.html

Handled an issue with CollecTor instances not syncing properly, which
led to a data loss of one day. Fortunately, we were able to recover the
missing data [10].

 [10]
https://lists.torproject.org/pipermail/tor-relays/2018-August/015850.html

Removed the "Fraction of relays reporting onion-service statistics"
graph [11] after including its data in existing per-graph CSV files.

 [11] https://bugs.torproject.org/26950

Cleaned up and gently refactored all five major metrics codebases based
on static code analysis [12].

 [12] https://bugs.torproject.org/27234

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