Increasing performance in Data grid by a new replica replacement algorithm
Publish place: Journal of Advances in Computer Research، Vol: 11، Issue: 2
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACR-11-2_004
تاریخ نمایه سازی: 13 اردیبهشت 1400
Abstract:
Data Grid provides sharing services for very large data around the world. Data replication is one of the most effective approaches to reduce access latency and response time. In addition to the benefits, replication has costs such as storage and bandwidth consumption, especially when storage space is low and limited. Therefore, the data replacement should be done wisely. In this paper, we proposed a replacement method called FRA. The algorithm defines a weight for each replica that represents its value. This algorithm uses this weight to prevent the removal of valuable replicas. The results demonstrated that FRA algorithm has better performance than other replication methods in terms of the number of replications, the percentage of storage used, and the job execution time.
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Authors
Mahsa Beigrezaei
Department of Computer and Information Technology, Qazvin Branch, Islamic Azad University, Qazvin, Iran
Abolfazl Toroghi Haghighat
Department of Computer and Information Technology, Qazvin Branch, Islamic Azad University, Qazvin, Iran
Seyedeh Leili Mirtaheri
Computer Engineering Department, Kharazmi University, Tehran, Iran
Narges Hajizadeh Bastani
Department of Computer and Engineering, Yadegar -e- Imam Khomeini (RAH) Shahr-e-Rey Branch, Islamic Azad University, Shahr-e-Rey, Iran