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MDMeter A New Test Tool for Meta-data Throughput of Parallel File System

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5 Author(s)
Xiaoshan Yang ; Dept. of Comput., Commun. Univ. of China, Beijing, China ; Ligu Zhu ; Qiang Li ; Wenjun Dai
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As the existing performance evaluation benchmark software for parallel file system has too many test items, it can’t evaluate the meta-data throughput accurately, and there are great difficulties to evaluate the meta-data throughput performance in practical application environment. To solve these problems, a new meta-data throughput evaluation tool, called as MDMeter, has been designed and accomplished in this paper. A new simulation model for file operation is designed according to the real file operation records which were captured by IOTrace tool. MDMeter can launch a variety of meta-data operations on parallel file system, and can provide a comprehensive test result report to users; it can evaluate the meta-data throughput performance accurately for different application environment. At the last, some tests are performed on Lustre parallel file system by MDMeter and traditional tools, the results show that MDMeter not only can give a simple and integrated performance test result to users, but also can evaluate the meta-data throughput for parallel file system more precisely than the existing test tools.

Published in:

Computational Science and Optimization (CSO), 2010 Third International Joint Conference on  (Volume:2 )

Date of Conference:

28-31 May 2010