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EFFICIENT COMPACTION ON LOG-STRUCTURED DISTRIBUTED FILE SYSTEM USING ERASURE CODING FOR RESOURCE CONSUMPTION REDUCTION
EFFICIENT COMPACTION ON LOG-STRUCTURED DISTRIBUTED FILE SYSTEM USING ERASURE CODING FOR RESOURCE CONSUMPTION REDUCTION
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机译:利用擦除编码进行资源消耗的擦除编码对日志结构分布式文件系统的高效压实
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摘要
One embodiment described herein provides a system and method for data compaction in a storage system comprising a plurality of storage nodes. During operation, in response to determining that data compaction is triggered, the system regroups valid data from a first set of data chunks stored in the storage system into a second set of data chunks such that a respective data chunk from the second set of data chunks comprises contiguous valid data slices. The system further performs error-correction-coding protection on the second set of data chunks. A physical location associated with a respective valid data slice remains unchanged subsequent to the error-correction-coding protection.
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