NoSQL Benchmark. NoSQL Benchmark (nb) is a multi-threaded benchmark tool for evaluating main database performance metrics using OLTP-alike benchmarking against a specified workload. Features include: * benchmarking types: unlimited, time limited or maximum thread limited * different threads creation policies: at once or interleaved * key distribution supported: uniform, gaussian * key types supported: string, u32, u64 * CSV report file generation supported (for future plot generation) * single configuration file * workload tests are specified in percents against a total request count * supported database drivers: tarantool, leveldb (redis, memcached planned). * plotter tool (CSV to GNU Plot generation)