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:
Aug. 02, 2011
Filed:
Oct. 02, 2008
Applicants:
Neil Macnaughton, Los Gatos, CA (US);
Tirthankar Lahiri, Palo Alto, CA (US);
Varun Malhotra, Belmont, CA (US);
Inventors:
Neil MacNaughton, Los Gatos, CA (US);
Tirthankar Lahiri, Palo Alto, CA (US);
Varun Malhotra, Belmont, CA (US);
Assignee:
Oracle International Corporation, Redwood Shores, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described herein are techniques for generating a global checkpoint system change number and computing a snapshot query using the global checkpoint system change number without a need to acquire global locks. In many cases, the need to acquire global locks is eliminated, thereby saving the overhead attendant to processing global locks.