Difference between revisions of "SAP HANA"
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* and Columnar technologies : Transactional vs Analytical | * and Columnar technologies : Transactional vs Analytical | ||
* Better for retrieval performance (analytical workloads) | * Better for retrieval performance (analytical workloads) | ||
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| + | = Technology = | ||
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| + | * Multi-core parallelism : massively parallel. Every operator is in parallel. | ||
| + | * Data locality in memory | ||
| + | * Columnar structures | ||
Revision as of 06:50, 6 April 2014
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
