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In digital communication, "jitter" usually refers to how much a signal deviates from true periodicity, see https://en.wikipedia.org/wiki/Jitter. The way we are using the "jitterSeed" in Prometheus does not affect the true periodicity at all, but just introduces a constant phase shift (or offset) within the period. So it would be more correct and less confusing to call the "jitterSeed" an "offsetSeed" instead. Signed-off-by: Julius Volz <julius.volz@gmail.com>