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In-Memory File System Backed by Cloud Storage Services as Permanent Storages
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클라우드 스토리지를 최종 저장 장치로 사용하는 인메모리 파일 시스템

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Type
Academic journal
Author
Kyungjun Lee (성균관대학교) Jiwon Kim (성균관대학교) Sungtae Ryu (성균관대학교) Hwansoo Han (성균관대학교)
Journal
Korean Institute of Information Scientists and Engineers Journal of KIISE Vol.43 No.8 KCI Excellent Accredited Journal
Published
2016.8
Pages
841 - 847 (7page)

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In-Memory File System Backed by Cloud Storage Services as Permanent Storages
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As network technology advances, a larger number of devices are connected through the Internet. Recently, cloud storage services are gaining popularity, as they are convenient to access anytime and anywhere. Among cloud storage services, object storage is the representative one due to their characteristics of low cost, high availability, and high durability. One limitation of object storage services is that they can access data on the cloud only through the HTTP-based RESTful APIs. In our work, we resolve this limitation with the in-memory file system which provides a POSIX interface to the file system users and communicates with cloud object storages with RESTful APIs. In particular, our flush mechanism is compatible with existing file systems, as it is based on the swap mechanism of the Linux kernel. Our in-memory file system backed by cloud storage reduces the performance overheads and shows a better performance than S3QL by 57% in write operations. It also shows a comparable performance to tmpfs in read operations.
#인메모리 파일 시스템 #클라우드 스토리지 #오브젝트 스토리지 #리눅스 #스왑 기법 #POSIX #in-memory file system #cloud storage #object storage #Linux #swap mechanism

Contents

요약
Abstract
1. 서론
2. 관련 연구
3. 제안하는 시스템
4. 실험 및 분석
5. 결론 및 향후 계획
References

References (11)

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[인터넷자원] - / / Amazon S3 (Simple Storage Service) google schola [학술대회논문] - A. Bessani / 2014 / SCFS: a shared cloud-backed file system / Proc. of the 2014USENIX Annual Technical Conference : 169 ~ 180 google schola [학술대회논문] - M. Vrable / 2012 / Bluesky:A cloud-backed file system for the enterprise / Proc. of the 10th USENIX conference on File and Storage Technologies : 19 ~ 19 google schola [인터넷자원] - N. Rath. / / S3QL google schola [인터넷자원] - R. Rizun / / S3fs google schola

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