Dynamic-Based Clustering for Replica Placement in Data Grids

Rahma Souli Jbali, Minyar Sassi Hidri and Rahma Ben-Ayed
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Rahma Souli Jbali: National Engineering School of Tunis, Tunis El Manar University, Tunisia
Minyar Sassi Hidri: Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
Rahma Ben-Ayed: National Engineering School of Tunis, Tunis El Manar University, Tunisia

International Journal of Service Science, Management, Engineering, and Technology (IJSSMET), 2019, vol. 10, issue 4, 58-80

Abstract: Data grids allow the placing of data based on two major challenges: placement of a large mass of data and job scheduling. This strategy proposes that each one is built on the other one in order to offer a high availability of storage spaces. The aim is to reduce access latencies and give improved usage of resources such as network, bandwidth, storage, and computing power. The choice of combining the two strategies in a dynamic replica placement and job scheduling, called ClusOptimizer, while using MapReduce-driven clustering to place a replica seems to be an appropriate answer to the needs since it allows us to distribute the data over all the machines of the platform. Herein, major factors which are mean job execution time, use of storage resources, and the number of active sites, can influence the efficiency. Then, a comparative study between strategies is performed to show the importance of the solution in replica placement according to jobs' frequency and the database's size in the case of biological data.

Date: 2019
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