BenchmarkDBForwardIteration measures forward iteration performance of the db Given an input dir containing all the raw kv data, it selects a random key, forward iterates and measures performance.

BenchmarkDBRead measures random read performance of the db Given an input dir containing all the raw kv data, it generates random read load and measures performance.

BenchmarkDBReverseIteration measures reverse iteration performance of the db Given an input dir containing all the raw kv data, it selects a random key, reverse iterates and measures performance.

BenchmarkDBWrite measures random write performance of the db Given an input dir containing all the raw kv data, it writes to the db one version after another.