We'll respond shortly.
Any tips for reading HttpPerf?
LogReplay, any good gems or tips to replay requests from server logs?
Jeff dean mentioned some strategies dealing with week based reporting, and the oddities that arise when week 0 bleeds into the next year.
Week number: The week 1 of YYYY starts with a Sunday or Monday (according to %U or %W). The days in the year before the first week are in week 0. %U - Week number of the year. The week starts with Sunday. (00..53) %W - Week number of the year. The week starts with Monday. (00..53)