[tor-bugs] #25265 [Core Tor/Chutney]: Set consensus parameter CircuitPriorityHalflife to enable the EWMA circuit policy

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Aug 21 13:07:34 UTC 2019


#25265: Set consensus parameter CircuitPriorityHalflife to enable the EWMA circuit
policy
------------------------------+------------------------
 Reporter:  dgoulet           |          Owner:  (none)
     Type:  defect            |         Status:  closed
 Priority:  Medium            |      Milestone:
Component:  Core Tor/Chutney  |        Version:
 Severity:  Normal            |     Resolution:  fixed
 Keywords:                    |  Actual Points:
Parent ID:  #25157            |         Points:
 Reviewer:                    |        Sponsor:
------------------------------+------------------------
Changes (by dgoulet):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 This is fixed now. The default value that tor takes is what the network
 uses: `CircuitPriorityHalflifeMsec 30000`.

 Confirmed with a chutney log:

 net/nodes.1565707893/004r/info.log:Aug 13 10:53:04.271 [info]
 cmux_ewma_set_options(): Enabled cell_ewma algorithm because of value in
 CircuitPriorityHalflifeMsec in consensus; scale factor is 0.793701 per 10
 seconds

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25265#comment:3>
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