Reclaiming Space from Duplicate Files in a Serverless Distributed File System

  title={Reclaiming Space from Duplicate Files in a Serverless Distributed File System},
  author={John R. Douceur and Atul Adya and William J. Bolosky and Dan Simon and Marvin Theimer},
The Farsite distributed file system provides availability by replicating each file onto multiple desktop computers. Since this replication consumes significant storage space, it is important to reclaim used space where possible. Measurement of over 500 desktop file systems shows that nearly half of all consumed space is occupied by duplicate files. We present a mechanism to reclaim space from this incidental duplication to make it available for controlled file replication. Our mechanism… CONTINUE READING
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