ndb

• redis protocol
• store with leveldb
• config with lua
• got 50k/s on GET/SET with redis-benchmark no pipeline. (less then 10,000,000 records -- data in mem)
• got 100K SET, 300K GET /s on small data with pipeline=1000 (more then )

performance

• data: 2G/20G/200G
• pipeline: 1/1000
• media: ssd/hdd