Translation Lookup and Garbage Collection Optimizations on Storage System with Paged Translation Table
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United States of America Patent
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Jun 29, 2016
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Jun 29, 2016
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Abstract
A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive a request for garbage collection, identify a range of physical blocks in a storage device, query a bitmap, the bitmap having a bit for each physical block in the range of physical blocks, determine a status associated with a first bit from the bitmap, in response to determining the status associated with the first bit is a first state, add a first physical block associated with the first bit to a list of physical blocks for relocation, and relocate the list of physical blocks.
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