[tor-project] May 2017 report for the metrics team
karsten at torproject.org
Tue Jun 6 09:26:27 UTC 2017
Hello Tor, hello world!
Below you'll find the highlights of Tor metrics team work done in May 2017.
On behalf of the Tor metrics team,
Added new visualizations of OnionPerf onion server measurements to the
Metrics website .
Experienced a sustained increase in requests to the Onionoo  servers
from 800/sec ~4k/sec for almost 1 week, which could finally be handled
by increasing the number of front-end servers from 2 to 5 and reducing
the TLS RSA key size from 4k to 2k.
Released metrics-lib version 1.7.0  which adds support for newly
added fields in Torperf/OnionPerf files and extra-info descriptors,
streamlines some method names, and fixes a few bugs.
Performed an analysis of adding Laplace noise to directory-request
statistics to evaluate whether the resulting statistics would still be
sufficient for estimating user numbers, but concluded that this still
needs more research.
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