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HotOS X, Tenth Workshop on Hot Topics in Operating Systems — Abstract
WiDS: An Integrated Toolkit for Distributed System Development
Shiding Lin, Aimin Pan, and Zheng Zhang, Microsoft Research Asia; Rui Guo, Beijing University of Aeronautics
and Astronautics; Zhenyu Guo, Tsinghua University
Abstract
Faced with a proliferation of distributed systems in research and production groups, we have devised the WiDS ecosystem of technologies to optimize the development and testing process for such systems. WiDS optimizes the process of developing an algorithm, testing its correctness in a debuggable environment, and testing its behavior at large scales in a distributed simulation. We have developed many distributed protocols and systems using WiDS, including a large-scale backup service that is robust enough to be deployed. We have also used WiDS to perform ultra-large scale (>1million instances) simulation of a production protocol. In this paper, we describe the principles and design of WiDS, share the lessons that we learned, and discuss on-going research that will further reduce programming and debugging difficulties of distributed systems.
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