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Prioritizing garbage collection and block allocation based on I/O history for logical address regions
Prioritizing garbage collection and block allocation based on I/O history for logical address regions
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机译:根据逻辑地址区域的I / O历史记录对垃圾回收和块分配进行优先级排序
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摘要
Systems, methods and/or devices are used to enable prioritizing garbage collection and block allocation based on I/O history for logical address regions. In one aspect, the method includes (1) receiving, at a storage device, a plurality of input/output (I/O) requests from a host, the plurality of I/O requests including read requests and write requests to be performed in a plurality of regions in a logical address space of the host, (2) in accordance with the plurality of I/O requests over a predetermined time period, identifying an idle region of the plurality of regions in the logical address space of the host, and (3) in accordance with the identification of the idle region, enabling garbage collection of data storage blocks, in the storage device, that store data in the idle region.
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