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Re: [tor-bugs] #2210 [Tor Relay]: Stream starvation due to activation order in circuit_resume_edge_reading_helper()
#2210: Stream starvation due to activation order in
circuit_resume_edge_reading_helper()
-----------------------+----------------------------------------------------
Reporter: nickm | Owner: nickm
Type: defect | Status: needs_review
Priority: normal | Milestone: Tor: 0.2.2.x-final
Component: Tor Relay | Version:
Keywords: fairness | Parent: #1298
-----------------------+----------------------------------------------------
Comment(by nickm):
For your tests, you should REALLY REALLY REALLY upgrade to libevent
1.4.12-stable or later: it has this bugfix:
o Activate fd events in a pseudorandom order with O(N) backends, so that
we don't systematically favor low fds (select) or earlier-added fds (poll,
win32).
On some systems, it won't matter; on some it will. But using old
libevents *WILL* affect your performance numbers in other ways too.
(I'll try doing an updated branch rsn; I'm trying to avoid doing too much
computer stuff over thanksgiving)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2210#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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