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:
Jun. 21, 2022
Filed:
Mar. 18, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Shuo Lv, Beijing, CN;
Ming Zhang, Beijing, CN;
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Techniques delete snapshot data. In accordance with certain techniques, a first sub-process of a snapshot deletion process on a first data block of the snapshot data is performed with a first thread. The snapshot deletion process includes at least the first sub-process and a second sub-process, the first and second sub-processes being performed sequentially. In response to an end of the first sub-process performed with the first thread, the second sub-process on the first data block is performed with the first thread. In parallel with performing, with the first thread, the second sub-process on the first data block, the first sub-process on a second data block of the snapshot data is performed with a second thread different from the first thread, the second data block being different from the first data block. Such techniques improve IO lock contention, system resource utilization rate and parallelism, response time and system overhead.