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2011 IEEE International Conference on Cluster Computing
Improving I/O Forwarding Throughput with Data Compression
Austin, Texas USA
September 26-September 30
ISBN: 978-0-7695-4516-5
While network bandwidth is steadily increasing, it is doing so at a much slower rate than the corresponding increase in CPU performance. This trend has widened the gap between CPU and network speed. In this paper, we investigate improvements to I/O performance by exploiting this gap. We harness idle CPU resources to compress network traffic, reducing the amount of data transferred over the network and increasing effective network bandwidth. We created a set of compression services within the I/O Forwarding Scalability Layer. These services transparently compress and decompress data as it is transferred over the network. We studied the effect of the compression services on a variety of data sets and conducted experiments on a high-performance computing cluster.
Index Terms:
I/O Forwarding, Scientific Data Compression
Benjamin Welton, Dries Kimpe, Jason Cope, Christina M. Patrick, Kamil Iskra, Robert Ross, "Improving I/O Forwarding Throughput with Data Compression," cluster, pp.438-445, 2011 IEEE International Conference on Cluster Computing, 2011
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