Improved energy-efficient quorum selection algorithm by omitting meaningless methods

Abstract

Distributed applications are composed of multiple objects and each object is replicated in order to increase reliability, availability, and performance. On the other hand, the larger amount of electric energy is consumed in a system since multiple replicas of each object are manipulated on multiple servers. In our previous studies, the energy efficient quorum selection (EEQS) algorithm is proposed to construct a quorum for each method in the quorum based locking protocol so that the total electric energy of servers to perform methods can be reduced. In this paper, the improved energy efficient quorum selection (IEEQS) algorithm is proposed to furthermore reduce the total electric energy of servers by omitting meaningless methods. Evaluation results show the total electric energy of servers, the average execution time of each transaction, and the number of aborted transactions can be reduced in the IEEQS algorithm than the EEQS algorithm.