[tor-bugs] #8902 [Tor]: Rumors that hidden services have trouble scaling to 100 concurrent connections

[Tor Bug Tracker & Wiki]

#8902: Rumors that hidden services have trouble scaling to 100 concurrent
connections
-------------------------+-------------------------------------------------
     Reporter:  arma     |      Owner:
         Type:  defect   |     Status:  assigned
     Priority:  normal   |  Milestone:  Tor: 0.2.7.x-final
    Component:  Tor      |    Version:  Tor: 0.2.7
   Resolution:           |   Keywords:  SponsorR, tor-hs, 027-triaged-1-in,
Actual Points:           |  SponsorU
       Points:  unclear  |  Parent ID:
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Comment (by teor):

 I am working on the suggested chutney-based network, including performance
 testing in #14175 and configurable sent data size in #14174.

 When I run with 60 clients and 1 hidden service, the hidden service is
 very janky - it hangs repeatedly for several seconds while transmitting
 data.
 When I run with 1 client and 60 hidden services, the data transmission is
 smooth.

 I expect this means that hidden services with high numbers of clients
 experience a lot of contention and blocking behaviour.

 I should have branches with these changes to chutney ready over the next
 few days.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8902#comment:17>
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