Large Data (cont)
Popular computational approach to such data: map/reduce
- suitable for widely-distributed, very-large data
- allows parallel computation on such data to be easily specified
- distribute (map) parts of computation across network
- compute in parallel (possibly with further mapping)
- merge (reduce) multiple results for delivery to requestor
Some large data proponents see no future need for SQL/relational ...
- depends on application (e.g. hard integrity vs eventual consistency)
Humour:
Parody of noSQL fans
(strong language warning)
- Compares MySQL (not PostgreSQL) to noSQL systems
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