I thought about it again for a while. It might be a good trade-off to just
implement the "CASSANDRA-1421" as a new API and limit the new code only in
StorageProxy level, and never put any dependency on internal memchanism of
Cassandra, e.g. compaction, membership management and other complicated
+ 1 for Jonathan Ellis.
I might not be on the same page as you active community members. But I'm
wondering why not put this feature to a popular client library or as a
contrib package?
In CASSANDRA-1072 + CASSANDRA-1397, the increment of counter is not
idempotent, so it's difficult to align with
