MITIGATING THE IMPACT OF A SINGLE POINT OF FAILURE IN AN OBJECT STORE
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United States of America Patent
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Dec 6, 2016
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Feb 13, 2014
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Example apparatus and methods distribute ranges or erasure codes associated with ranges to reduce or minimize the impact of a single point of failure in an object store. Erasure codes associated with related ranges to be stored in an object store may be accessed and selectively distributed to different storage devices associated with the object store. The erasure codes may be distributed according to a distribution plan so that an unavailability of one storage device will cause less than all of the related ranges to become unavailable. Example apparatus and methods may also provide a partial GET operation that will retrieve erasure codes associated with less than an entire object or with less than all possible ranges for an object. The partial GET operation may facilitate reconstructing less than an entire object, which may be valuable in, for example, weblog analytics.
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