PTRE: a probabilistic two-phase replication elimination policy in large-scale distributed storage platforms
by Ning Han; Dongbo Liu
International Journal of Networking and Virtual Organisations (IJNVO), Vol. 20, No. 4, 2019

Abstract: To support large-scale data-intensive applications, massive distributed storage platform are being widely deployed in more and more IT-infrastructures. One of the most mentioned issues on distributed storage platform is how to maintain desirable data availability without too many extra costs. Therefore, data replication service plays a key role to achieve this goal. Unfortunately, many existing replication policies are designed for small-scale or centralised storage platforms, and their performance tends to be dramatically degraded when a system consists of thousands of autonomous storage nodes. In this paper, we present a novel replication policy that allows a storage platform to eliminate useless replicas and maintain sufficient data availability at the same time. Through theoretical analysis, we have proven that the costs of the proposed policy is linearly increased with the number of underlying storage nodes, which means that it can be easily applied in large-scale distributed storage platform. The experimental results indicate that the proposed replication scheme can significant improve the effective utilisation of storage resources comparing with other existing policies. In addition, it exhibits a better robustness when the underlying storage platform is in presence of dramatically fluctuant workload.

Online publication date: Fri, 28-Jun-2019

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Networking and Virtual Organisations (IJNVO):
Login with your Inderscience username and password:

    Username:        Password:         

Forgotten your password?


Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com