This is the speech presented by Liu (Siddon) Tang at the RocksDB meetup on August 28, 2017. Some of the content has been adapted to be up to date. Speaker Introduction Why did we choose RocksDB? How are we using RocksDB? TiKV Architecture Region Raft InsertWithHint Prefix Iterator Table Property for Region Split Check Table Property for GC Check Ingest the SST File Others How are we contributing?