3 ms·

You use the timestamp to resolve the two values to see whether 5 or 6 is the latest. Your system would have the same problem to resolve which data is the lates

• lmm 15y ago
  In his system you neither partition would have written "5" or "6". Rather, the one on the left would have written a "+1", and the one on the right would have written a "+1", and you can tell whether these are the same "+1" or not. You only combine them when you do the query.
  • ww520 15y ago
    One is +1 (to 5) and the other one is +2 (to 6). Which one is the correct one?