Efficient Storage Management for Object-based Flash Memory

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Provided by: University of California, Santa Barbara
Topic: Storage
Format: PDF
Flash memory has become increasingly popular in today's storage systems. However, replacing hard drives with flash memory in current systems often either requires major file system changes or causes performance degradation due to the limitations of block-based interface and out-of-place updates required by flash. To alleviate this problem, the authors propose an object-based model for flash memory that gives the hardware and firmware the ability to optimize performance for the underlying implementation. Based on this model, they propose two new data placement policies that exploit richer information from an object-based interface.
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