Rows of a collection's newest page a roster delta reads. CUBE orders feeds
newest first, so the page holds every feed newer than the roster unless
more than this many arrived between two visits; it is small because the
surfaces re-ask the roster on a timer.
Rows of a collection's newest page a roster delta reads. CUBE orders feeds newest first, so the page holds every feed newer than the roster unless more than this many arrived between two visits; it is small because the surfaces re-ask the roster on a timer.