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Traditional distributed file system in availability, scalability, and data access performance has been difficult to meet the growing demand for data storage. This paper proposes a Metadata Server (MDS) Cluster scheme based on two-server high availability. On this basis, use a combination of a directory subtree partitioning and improved consistency hash algorithm divides the metadata, ensure the cluster...
Most cloud storage system uses replica technology to ensure data reliability and improve data access efficiency. But in current file system, there are some problems such as the fixed number of replica and replica placement may cause load imbalance. In order to solve these problems, introducing a dynamic replica adjustment strategy and replica placement algorithm, this strategy can dynamic adjust the...
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