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- o Minor bugfixes (circuit build timeout):
- - Improve the accuracy of our circuit build timeout calculation for 60%,
- 70%, and 80% build rates for various guard choices. We now use a maximum
- likelihood estimator for Pareto parameters of the circuit build time
- distribution, instead of a "right-censored estimator". This causes
- clients to ignore circuits that never finish building in their timeout
- calculations. Previously, clients were counting such unfinished circuits
- as having the highest possible build time value, when in reality these
- circuits most likely just contain relays that are offline. We also now
- wait a bit longer to let circuits complete for measurement purposes,
- lower the minimum possible effective timeout from 1.5 seconds to 10ms,
- and increase the resolution of the circuit build time histogram from
- 50ms bin widths to 10ms bin widths. Additionally, we alter our estimate
- Xm by taking the maximum of the top 10 most common build time values
- of the 10ms histogram, and compute Xm as the average of these.
- Fixes bug 40168; bugfix on 0.2.2.14-alpha.