System and method for starting a buffer pool

Details System and method for starting a buffer pool System and method for starting a buffer pool

G - Physics

06

F

G06F 17/30 (2006.01) G06F 17/00 (2006.01) H04L 12/16 (2006.01)

Patent

CA 2438366

For an information retrieval system coupled to a buffer pool maintaining a plurality of pages of recently accessed information for subsequent re-access, there is provided a method of starting the buffer pool. The method facilitates a quicker start to the buffer pool by deferring allocation of page storing portions, for example, until they are needed. The method comprises making the buffer pool available for storing pages while deferring allocation of a page storing portion of the buffer pool; and allocating the page storing portion of the buffer pool in response to a demand to store pages to the buffer pool. The method may be used to re-start a buffer pool with pages stored to a memory coupled to the information retrieval system where the pages where stored upon a buffer pool shutdown. Further, buffer pool readers or prefetchers may be configured to read pages for storing to the buffer pool and allocate the page storing portions of the buffer pool in response to instructions to read particular pages.

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