Parallel I/O scheduling in the presence of data duplication on multiprogrammed cluster computing systems
Abawajy, Jemal 2006, Parallel I/O scheduling in the presence of data duplication on multiprogrammed cluster computing systems, in 2006 IEEE International Conference on Computer Systems and Applications, IEEE, Piscataway, N.J., pp. 1118-1125.
The widespread adoption of cluster computing as a high performance computing platform has seen the growth of data intensive scientific, engineering and commercial applications such as digital libraries, climate modeling, computational chemistry, computational fluid dynamics and image repositories. However, I/O subsystem performance has not been keeping pace with processor and memory performance, and is fast becoming the dominant factor in overall system performance. Thus, parallel I/O has become a necessity in the face of performance improvements in other areas of computing systems. This paper addresses the problem of parallel I/O scheduling on cluster computing systems in the presence of data replication. We propose two new I/O scheduling algorithms and evaluate the relative performance of the proposed policies against two existing approaches. Simulation results show that the proposed policies perform substantially better than the baseline policies.
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