Methods for dynamically resizing memory pools

Details Methods for dynamically resizing memory pools Methods for dynamically resizing memory pools

2006-03-30

2008-12-23

Kim, Matt (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S159000, C711S171000, C711S172000, C707S793000, C707S793000, C707S793000, C718S104000

Reexamination Certificate

active

07469329

ABSTRACT:
There are disclosed methods for dynamically resizing memory pools used by database management systems. In one aspect, if a decrease in allocation to the memory pool is required, at least one page grouping that may be freed from the memory pool is identified as a candidate based on its position in a list of page groupings. If the page grouping contains any used memory blocks, the used memory blocks may be copied from a candidate page grouping to another page grouping in the list in order to free the candidate page grouping. Once the candidate page grouping is free of used memory blocks, the candidate page grouping may be freed from the memory pool. As an example, this method may be used for dynamically resizing locklists or lock memory.

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