tree 50fecc15ef18397c2094745b8ee3785e3560f4b7
parent f3c068b679476960349652fb9356d2c68e38ea43
author Martin Fick <mfick@codeaurora.org> 1489012560 -0700
committer Martin Fick <mogulguy10@gmail.com> 1506785258 +0000

Cache Head/Tail in events FsStore

Since the head and tail are sequences, and sequences can only
increase, it is possible to speed up certain comparisons
by caching the last known value of the sequence.

Change-Id: I16e035152cc23442c9c559ab684359501934ceaf