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Re: [tor-bugs] #29085 [Core Tor/Tor]: WTF-PAD: Reduce monotime usage because of performance issues



#29085: WTF-PAD: Reduce monotime usage because of performance issues
-------------------------------------------------+-------------------------
 Reporter:  asn                                  |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  wtf-pad, tor-relay, tor-cell,        |  Actual Points:
  padding, 041-proposed                          |
Parent ID:  #28634                               |         Points:  4
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor2
-------------------------------------------------+-------------------------
Changes (by mikeperry):

 * status:  needs_information => needs_review


Comment:

 Ok, here is a branch that refactors all of our features along the
 monotime-related codepaths. With this branch, if machines specify
 CIRCPAD_TOKEN_REMOVAL_NONE and also set use_rtt_estimate=0, then they
 won't use any monotime calls at all:
 https://github.com/torproject/tor/pull/1007

 asn and I have also established that the machines in #28634 don't need
 these features; future revisions of that branch will cease using them.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29085#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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