SAP HANA
From Suhrid.net Wiki
Motivation
- Earlier: CPU, Memory expensive
- New DB needs to take advantage of multi-core, large RAM
- and Columnar technologies : Transactional vs Analytical
- Better for retrieval performance (analytical workloads)
Technology
- Multi-core parallelism : massively parallel. Every operator is in parallel.
- Data locality in memory
- Columnar structures