#33704: Understand code performance of onion services under DoS -------------------------------------------------+------------------------- Reporter: asn | Owner: (none) Type: defect | Status: new Priority: Medium | Milestone: Tor: | unspecified Component: Core Tor/Tor | Version: Severity: Normal | Resolution: Keywords: tor-dos tor-hs network-team- | Actual Points: roadmap-2020Q1 | Parent ID: #33703 | Points: Reviewer: | Sponsor: -------------------------------------------------+------------------------- Description changed by asn:
Old description: > We need to do the following experiments to understand more about the > performance of Tor under simulated DoS conditions: > > - Get vanilla profile (for #30221) > - Need to get more understanding about CPU vs network saturation > - Investigate control port experiment (with STREAM events enabled and > trying to kill circs with CLOSECIRCUIT) > - wrt https://lists.torproject.org/pipermail/tor- > dev/2019-December/014097.html > - Investigate horizontal scaling with OB > - See how load changes when scaled to 2/4/8 instances, extrapolate > onwards. > - Investigate size of replay cache (#26294) > - Investigate capacity of reestablish intro circuit (#26294) > - Compare intro/rend profiles (value of prop255 / #17254) > - Investigate pinned paths with HSLayer2Node HSLayer3Node New description: We need to do the following experiments to understand more about the performance of Tor under simulated DoS conditions: - Get vanilla profile (for #30221) - See effect of DoS on intro and guard (profile them or just monitor CPU and logs) - Investigate control port experiment (with STREAM events enabled and trying to kill circs with CLOSECIRCUIT) - wrt https://lists.torproject.org/pipermail/tor- dev/2019-December/014097.html - Investigate horizontal scaling with OB - See how load changes when scaled to 2/4/8 instances, extrapolate onwards. - Investigate size of replay cache (#26294) - Investigate capacity of reestablish intro circuit (#26294) - Compare intro/rend profiles (value of prop255 / #17254) - Investigate pinned paths with HSLayer2Node HSLayer3Node -- -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33704#comment:1> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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