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Wofs: A Distributed Network File System Supporting Fast Data Insertion and Truncation

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2 Author(s)
Cheng-Chia Wang ; Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan ; YarSun Hsu

Distributed file systems have become popular in recent years. However, they still lack functions for doing fast arbitrary data insertion and truncation. To solve the problem, we present Wofs, an object-based distributed network file system which supports fast arbitrary data insertion and truncation. Wofs splits a file into many small objects, stores these objects in remote file servers, and uses a special B+tree to manage the metadata of these objects. Besides, Wofs uses the object-range locking policy to avoid data incoherence and improve performance.

Published in:

Storage Network Architecture and Parallel I/Os (SNAPI), 2010 International Workshop on

Date of Conference:

3-3 May 2010