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Locality-sensitive data retrieval for redundancy coded data storage systems
Locality-sensitive data retrieval for redundancy coded data storage systems
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机译:冗余编码数据存储系统的位置敏感数据检索
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摘要
Techniques described and suggested herein include systems and methods for optimizing retrieval, based on localities associated with a requestor and that of various components of a data storage system, of data archives stored on data storage systems using redundancy coding techniques. For example, redundancy coded shards, which may include identity shards that contain unencoded original data of archives, may be configured such that a variable number of the shards can be leveraged to meet performance requirements or time-to-retrieval limitations for retrieval requests associated with the archives stored and/or encoded therein. Under some circumstances, implementing systems may monitor relative geographic locations, among other performance-related metrics, so as to retrieve data such that fewer hosting data storage facilities are used for a given retrieval.
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