The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2019
Filed:
Apr. 13, 2016
Nanjing University, Nanjing, CN;
Qi Zhang, Nanjing, CN;
Xuandong Li, Nanjing, CN;
Linzhang Wang, Nanjing, CN;
Tian Zhang, Nanjing, CN;
Other;
Abstract
A method for partial garbage collection in a NAND flash storage system is disclosed. The method includes receiving a real time data request task in a NAND flash storage system; executing the real time data request task in the NAND flash storage system; determining a condition whether a number of free pages in the NAND flash storage system is below a pre-determined threshold; for the condition that the number of free pages in the NAND flash storage system is below a pre-determined threshold, determining whether a partial garbage collection list is empty; for the condition that the partial garbage collection list is empty, selecting a victim block from a plurality of blocks in the NAND flash storage system; creating partial garbage collection tasks in the NAND flash storage system; and putting the partial garbage collection tasks in the partial garbage collection list.