NDLI: SAN Optimization for High Performance Storage with RDMA Data Transfer

Content Provider	IEEE Xplore Digital Library
Author	Jae Woo Choi Young Jin Yu Hyeonsang Eom Heon Young Yeom Dong In Shin
Copyright Year	2012
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Seoul Nat. Univ., Seoul, South Korea (Jae Woo Choi; Young Jin Yu; Hyeonsang Eom; Heon Young Yeom) \|\| Taejin Infotech, Seoul, South Korea (Dong In Shin)
Abstract	Today's server environments consist of many machines constructing clusters for distributed computing system or storage area networks (SAN) for effectively processing or saving enormous data. In these kinds of server environments, backend-storages are usually the bottleneck of the overall system. But it is not enough to simply replace the devices with better ones to exploit their performance benefits. In other words, proper optimizations are needed to fully utilize their performance gains. In this work, we first applied a high performance device as a backend-storage to the existing SAN solution, and found that it could not utilize the low latency and high bandwidth of the device, especially in case of small sized random I/O pattern even though a high speed network was used. To address this problem, we propose a new design that contains three optimizations: 1) removing software overheads to lower I/O latency; 2) parallelism to utilize the high bandwidth of the device; 3) temporal merge mechanism to reduce network overhead. We implemented them as a prototype and found that our solution makes substantial performance improvements in terms of both the latency and bandwidth.
Sponsorship	IEEE Comput. Soc.
Starting Page	24
Ending Page	29
File Size	579951
Page Count	6
File Format	PDF
ISBN	9781467362184
e-ISBN	9780769549569
DOI	10.1109/SC.Companion.2012.15
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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