Probability, Statistics, Distributed Systems, Software Engineering, Interview Questions.
exponentially distributed with mean T. The probability that the duration is less than some Y: P(X ≤ Y) = 1-e^(-T*Y) If we set the TTL as Y, then P(X ≤ Y) = 0.9999 Solving for Y: e^(-T*Y) = 1–0.9999 T*Y = -ln(0.0001) Y = -ln(0.0001)/T In a given distributed hash table, the probabilities for