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香港中文大学李柏晴副教授学术报告

澳门新葡新京-澳门新葡新京官网『首页』 :2018-10-09    作者:     来源:     点击:

时间:2018年10月18日(周四)下午2:30

地点:软件园校区行政办公楼202会议室


Title: Erasure Coding for Data Center Storage

Abstract:

Data center storage systems increasingly adopt erasure coding to reduce the

storage overhead of traditional 3-way replication. However, maintaining high

performance in erasure-coded data center storage systems still has many design

trade-off issues. In this talk, I will present new results on how to

seamlessly adapt erasure codes into data-center architectures, with emphasis

on taking into account the data-center-specific characteristics such as

hierarchical topologies, bandwidth diversities, and mixed failure modes. In

particular, I will present novel techniques and code constructions that

improve repair performance, update performance, and storage efficiency of data

center storage. Our methodologies have been validated on Hadoop and Quantcast

File System platforms, and we have released various open-source prototypes on

our designs.


Bio:

Patrick P. C. Lee received the Ph.D. degree in Computer Science from Columbia

University in 2008. He is now an Associate Professor of the Department of

Computer Science and Engineering at the Chinese University of Hong Kong. He

currently heads the Applied Distributed Systems Lab and is working very

closely with a group of graduate students on different projects in large-scale

software systems. His research interests are in various applied/systems

topics on improving the dependability of large-scale software systems,

including storage systems, distributed systems and networks, and cloud

computing.

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