(don't take this information as granted this was a quick 'n dirty thing) David Goulet: > Since July 2017 It appears to have started earlier than July if you graph metrics' csv file for better granularity. Maybe somewhere in mid May 2017 (maybe when tor 0.2.9.x -> 0.3.0 started to spread? -> correlate it with the relays by version graph) > which relays went offline I compared two sets of relays (identified by FP): 1) all relays included in onionoo data from 2017-05-07 00:00 (that means also non-running relays that were running at some point during the week before that timestamp) This set has 7334 _running_ relays (8681 in total) 2) all relays - including non-running relays - included in onionoo data from 2017-10-23 21:00 that were added to the tor network **before** 2017-05-07. This set contains 5151 relays in total. I'm afraid the results are not very useful due to the apparently high churn rate. 3885 relays that were in (1) are NOT in (2). Disappeared relays by version (version as seen on 2017-05-07 this is NOT necessarily the same version they did run when they were last seen): +-------------------+----------+ | tor_version | relays | +-------------------+----------+ | 0.2.9.10 | 1161 | | 0.2.5.12 | 576 | | 0.2.7.6 | 511 | | 0.2.9.9 | 291 | | 0.2.4.27 | 251 | | 0.3.0.6 | 241 | | 0.2.4.23 | 158 | | 0.2.8.9 | 129 | | 0.2.6.10 | 95 | | 0.3.0.5-rc | 82 | | 0.2.9.8 | 64 | | 0.2.8.12 | 58 | | 0.2.8.11 | 41 | | 0.2.8.8 | 39 | | 0.2.8.7 | 30 | | 0.2.4.22 | 22 | | 0.3.0.4-rc | 14 | | 0.3.1.0-alpha-dev | 10 | | 0.2.4.20 | 9 | | 0.2.8.10 | 9 | | 0.2.5.10 | 9 | | 0.3.0.3-alpha | 8 | | 0.2.8.6 | 7 | | 0.2.6.9 | 6 | | 0.2.7.6-dev | 5 | | 0.2.7.5 | 5 | | 0.3.0.2-alpha | 5 | [...] (retrieving the actually last seen version is feasible but requires processing [much] more data) Disappeared relays by flags -> we loose guards, not exits (matches somewhat relays by flag graphs on metrics) Flags appear in this order: stable,fast,guard,exit,hsdir (0=not set, 1=set) +----------------------------------------+----------+ | flags | relays | +----------------------------------------+----------+ | 11001 | 775 | | 11101 | 609 | | 00000 | 582 | | 01000 | 561 | | 11000 | 453 | | 10000 | 259 | | 11100 | 196 | | 11111 | 131 | | 01010 | 91 | [...] Disappeared relays by OS (this matches graphs on metrics): -> we loose Linux boxes, others are static +------------------------------+--------+ | OS | relays | +------------------------------+--------+ | Linux | 3434 | | Windows 8 | 119 | | Windows 7 | 111 | | FreeBSD | 108 | | OpenBSD | 58 | | Windows XP | 22 | | Windows 8 [server] | 10 | [...] -- https://mastodon.social/@nusenu twitter: @nusenu_
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