Hints

Insertion of the Hints to customize the queries execution modality. Hints are comments that can be inserted in the string containing the query and that are able to change the behavior of Sadas Engine. The behavior of the engine is influenced by the hint only for the execution of the query containing it. Moreover the…

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Parallelism

Optimization of the Intraquery parallelism (parallelism to optimize the performances of the single query) and Interquery parallelism (parallelism to optimize the performances of the engine with concurrent queries). Action points: • Improvement of the Heap management to reduce the negative effects of the Heap Contention (frequent concurrent requests of dynamic allocation of memory segments from…

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