Measuring the Performance of Database Object Horizontal Fragmentation Schemes

Authors:
C. I. Ezeife;Jian Zheng
Affiliations:
-;-
Venue:
IDEAS '99 Proceedings of the 1999 International Symposium on Database Engineering & Applications
Year:
1999

Citing 7
Cited 2

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Abstract

A horizontal fragment of a database class in an object-oriented database system contains subsets of its instance objects (or class extents) reflecting the way applications are accessing database objects. Allocating well-defined fragments of classes to distributed sites has the advantage of minimizing transmission costs of data to remote sites as well as minimizing retrieval time of data needed locally. A refragmentation of the system is needed when application access and schema information have undergone sufficient changes.In this paper, we provide a technique for measuring the performance of object horizontal fragments placed at distributed sites. This work provides a platform for dynamic object horizontal fragmentation and for comparing object horizontal fragmentation schemes.