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On the trade-off between performance and storage efficiency of replication-based object storage
- Issue Date
- Dec-2019
- Publisher
- IEEE Computer Society
- Keywords
- Erasure coding; Hybrid storage policy; Object storage; OpenStack swift; Replication
- Citation
- Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom, v.2019-December, pp.301 - 304
- Indexed
- SCOPUS
- Journal Title
- Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom
- Volume
- 2019-December
- Start Page
- 301
- End Page
- 304
- ISSN
- 2330-2194
- Abstract
- The object storage systems are used to store and manage unstructured data. Most object storage systems provide the replication policy (REP) or erasure code policy (EC) to ensure the reliability and availability of data. In this paper, we study the trade-off between performance and storage efficiency of these policies with respect to different data sizes of user requests. To this end, we present a hybrid policy management system that takes advantage of both policies by automatically changing policy based on data size. We have implemented the hybrid system in OpenStack Swift. Our evaluation results show the throughput of GET request increases up to 36% while improving storage efficiency by up to 53% compared to that using the REP policy.
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Related Researcher
- Kang, Soo yong
- COLLEGE OF ENGINEERING (SCHOOL OF COMPUTER SCIENCE)