To compress or not to compress - compute vs. IO tradeoffs for mapreduce energy efficiency

  • Authors:
  • Yanpei Chen;Archana Ganapathi;Randy H. Katz

  • Affiliations:
  • University of California, Berkeley, Berkeley, USA;University of California, Berkeley, Berkeley, USA;University of California, Berkeley, Berkeley, USA

  • Venue:
  • Proceedings of the first ACM SIGCOMM workshop on Green networking
  • Year:
  • 2010

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Abstract

Compression enables us to shift resource bottlenecks between IO and CPU. In modern datacenters, where energy efficiency is a growing concern, the benefits of using compression have not been completely exploited. As MapReduce represents a common computation framework for Internet datacenters, we develop a decision algorithm that helps MapReduce users identify when and where to use compression. For some jobs, using compression gives energy savings of up to 60%. We believe our findings will provide signficant impact on improving datacenter energy efficiency.