(This is part 2 of 4 planned about Cassandra 1.0. Part 1, compression, is linked at the bottom of this. Parts 3 and 4 will cover leveldb-based compaction and p

(This is part 2 of 4 planned about Cassandra 1.0. Part 1, compression, is linked at the bottom of this. Parts 3 and 4 will cover leveldb-based compaction and performance.)