Chunk Fragmentation Level: An Effective Indicator for Read Performance Degradation in Deduplication Storage

@article{Nam2011ChunkFL,
  title={Chunk Fragmentation Level: An Effective Indicator for Read Performance Degradation in Deduplication Storage},
  author={Youngjin Nam and Guanlin Lu and Nohhyun Park and Weijun Xiao and David Hung-Chang Du},
  journal={2011 IEEE International Conference on High Performance Computing and Communications},
  year={2011},
  pages={581-586}
}
Data deduplication has recently become commonplace in most secondary storage and even in some primary storage for the capacity optimization purpose. Aside from its write performance, read performance of the deduplication storage has been gaining in significance with a wide range of its deployments. In this paper, we emphasize the importance of read performance in reconstituting a data stream from its unique and shared chunks physically dispersed over deduplication storage. We newly introduce a… CONTINUE READING
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