Scalable and Adaptive Metadata Management in Ultra Large-scale File Systems

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Data Centers
Format: PDF
Metadata management is critical in scaling the overall performance of large-scale data storage systems. To achieve high data throughput, many systems decouple metadata transactions from file content accesses by diverting large volumes of data traffic away from dedicated MetaData Servers (MDS). In such systems, a client contacts MDS first to acquire access permission and obtain desired file metadata, such as file location and attributes, and then directly accesses file content stored on data servers without going through the metadata server.
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