Terark

Terark is world's fastest storage engine with best compression.

Terark built a new storage engine for database and data systems. Their technology enables direct search on highly compressed data, with 10x~500x faster performance and more than 15x storage savings (better than google's leveldb, facebook's rocksdb), getting larger scalability with lower cost for big data applications. Alibaba and xiaomi are their paying customers, and they are a ycombinator company.