Using direct memory access for performing database...

G - Physics – 06 – F

Patent

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G06F 13/28 (2006.01) G06F 12/02 (2006.01) G06F 17/30 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2509404

Direct memory accessed is used to perform database operations between two or more machines. A first segment of memory is allocated for a second machine, where at least one of the first machine and second machine is a database server. During performance of a database operation that involves the transfer of data from the second machine to the first machine, data in the first segment of memory is buffered in response to the second machine writing the data to a second segment of memory on the second machine.

Selon l'invention, l'accès direct à la mémoire est utilisé pour effectuer des opérations de base de données entre deux machines ou plus. Un premier segment de mémoire est attribué à une deuxième machine, la première ou la deuxième machine étant un serveur de base de données. Pendant la mise en oeuvre d'opérations de base de données impliquant le transfert de données de la deuxième machine à la première machine, les données situées dans le premier segment sont mises en mémoire tampon en réponse à l'inscription, effectuée par la deuxième machine, desdites données sur un deuxième segment de mémoire situé sur celle-ci.

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