You can be contributing code in a week or less, but if you're getting fully up to speed on any moderately large system in under 3 months, you probably should ta

You can be contributing code in a week or less, but if you're getting fully up to speed on any moderately large system in under 3 months, you probably should take breaks for meals and sleep more. Or you're not getting fully up to speed and are just ignorant. It could be less for a trivial or entirely greenfield system, but then you're worrying about other things like requirements/constraints/etc.