[tor-bugs] #24272 [Core Tor/Tor]: Add a CacheDirectory option

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Nov 14 10:48:43 UTC 2017


#24272: Add a CacheDirectory option
-------------------------+-------------------------------------------------
     Reporter:  teor     |      Owner:  (none)
         Type:  defect   |     Status:  new
     Priority:  Medium   |  Milestone:  Tor: 0.3.3.x-final
    Component:  Core     |    Version:  Tor: 0.3.1.1-alpha
  Tor/Tor                |   Keywords:  tor-relay, consensus-diff, tor-
     Severity:  Normal   |  mobile
Actual Points:           |  Parent ID:
       Points:  2        |   Reviewer:
      Sponsor:           |
-------------------------+-------------------------------------------------
 Tor puts a large number of large, rapidly changing documents in its
 DataDirectory, which defaults to /var/lib on many systems. This means that
 the size of backups blows out when running tor 0.3.1.1-alpha or later.

 If we added a CacheDirectory option, it could default to /var/cache (or
 the appropriate paths on other operating systems), and be ignored by most
 backup tools.

 This directory should contain
 * cached directory documents, including cached (micro)descriptors and
 consensuses, and compressed directory document diffs
 * any other files that tor can easily regenerate or re-download

 This might also benefit mobile users with small disks, but application
 size appears to be less of a priority for mobile developers than CPU or
 network usage.

 See this thread for background:
 https://lists.torproject.org/pipermail/tor-
 relays/2017-November/013542.html

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24272>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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