DATA INTEGRITY AND AVAILABILITY


IEEE Transactions on Parallel and Distributed Systems, Feb. 2012, pp. 337–344

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Semantic-Aware Metadata Organization Paradigm in Next-Generation File Systems

by Yu Hua, Hong Jiang, Yifeng Zhu, Dan Feng, and Lei Tian

Existing data storage systems based on the hierarchical directory-tree organization do not meet the scalability and functionality requirements for exponentially growing data sets and increasingly complex metadata queries in large-scale, Exabyte-level file systems with billions of files. This paper proposes a novel decentralized semantic-aware metadata organization, called SmartStore, which exploits semantics of files' metadata to judiciously aggregate correlated files into semantic-aware groups by using information retrieval tools. The key idea of SmartStore is to limit the search scope of a complex metadata query to a single or a minimal number of semantically correlated groups and avoid or alleviate brute-force search in the entire system. READ FULL ARTICLE (login required) »

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