This is why the high temporal locality part of the map is all EC - when everything is windowed you can just wait for the window to close. On the low temporal l

This is why the high temporal locality part of the map is all EC - when everything is windowed you can just wait for the window to close. On the low temporal locality side, the only consistent system I've seen so far is differential dataflow (and materialize) which does internally track which results are consistent and gives you the option to wait for consistent results in the output.