Duane Morris LLP
Lazy real time garbage collection method
A method for garbage collection in a NAND flash memory system is disclosed. The method includes the steps of receiving a data request task in the NAND flash memory system; executing the data request task in the NAND flash memory system; based on the condition where the number of free data pages in the NAND flash memory system is below the first pre-determined threshold, determining whether a data block partial garbage collection list is empty; based on the condition where the data block partial garbage collection list is empty, selecting a victim block in the NAND flash memory system; and creating a plurality of data block partial garbage collection tasks.
Nanjing University
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Zili Xuandong Linzhang Yi Tian Qi
Shao Li Wang Wang Zhang Zhang