Computer Science ›› 2006, Vol. 33 ›› Issue (3): 138-139.
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HU Qiao-Qiao , WANG Jian-Min , YE Xiao-Jun （School of Software, Tsinghua University, Beijing 100084）
Online:
Published:
Abstract: Access speed of disk is the key to database performance. In this paper, after discussing a characteristic of sequential access in PostgreSQL, an algorithm is proposed which can selectively prefetch data blocks ahead of the point of reference. The number o
Key words: Prefetch, Sequential access, PostgreSQL, Data block
HU Qiao-Qiao , WANG Jian-Min , YE Xiao-Jun （School of Software, Tsinghua University, Beijing 100084）. [J].Computer Science, 2006, 33(3): 138-139.
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