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Title: Exploiting Intrinsic Flash Properties to Enhance Modern Storage Systems
Jian Huang
Ph.D. candidate
School of Computer Science
College of Computing
Georgia Institute of Technology
Date: Thursday, June 15, 2017
Time: 2 PM- 4 PM, EST
Location: KACB 3100
Committee:
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Dr. Moinuddin K. Qureshi (Advisor, School of Electrical and Computer Engineering, Georgia Tech)
Dr. Umakishore Ramachandran (School of Computer Science, Georgia Tech)
Dr. Taesoo Kim (School of Computer Science, Georgia Tech)
Dr. Steven Swanson (Department of Computer Science and Engineering, University of California, San Diego)
Dr. James Mickens (Department of Computer Science, Harvard University)
Dr. Anirudh Badam (Systems Research Group, Microsoft Research, Redmond)
Talk Abstract:
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Flash-based storage (e.g., SSD) has been widely adopted in almost every kind of platform spanning all the way from
wearables, to mobiles, to data center servers. Since their arrival more than a decade ago, Flash has been improved
significantly in terms of latency, throughput, and capacity. While storage hardware has evolved, the corresponding
software stack is the main bottleneck not only for Flash but also for imminent storage media deemed to be significantly
faster than Flash.
In my thesis defense, I will demonstrate new approaches to designing flash-based storage systems to unleash the power
of hardware devices while preserving the simplicity and guarantees of system abstractions. Specifically, I will present
four systems (FlashBlox, FlashMap, WearDrive, and FlashGuard) that enable applications to leverage the power of Flash
with little software overheads by challenging conventional wisdom on storage system design. They improve performance,
energy-efficiency, and security significantly for flash-based storage systems in large-scale data centers as well as in small
smart devices such as wearables.
