Abstract

It has been a new approach that flash memory is used as storage media to improve database system performance.In the current flash database system,to solve the problems of low search performance,improper log region allocation,and high index update cost in storage management,a forecasting algorithm based on the latest version of Bloom Filter was proposed,record locator and log summary structure were introduced,and a self-adaptive mechanism based on flash search and update cost estimate model were given.The experimental results prove that it can make a proper log region allocation,efficiently improve search performance,and reduce non-clustered index update cost.

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