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. 12, 2014
Filed:
Aug. 30, 2010
Theocharis Kampouris, Thessaloniki, GR;
Michael Jennings, Menlo Park, CA (US);
Benedicto E. Garin, Jr., Hudson, NH (US);
Yunrui LI, Fremont, CA (US);
Vinay H. Srihari, San Mateo, CA (US);
Mahesh Baburao Girkar, Cupertino, CA (US);
Theocharis Kampouris, Thessaloniki, GR;
Michael Jennings, Menlo Park, CA (US);
Benedicto E. Garin, Jr., Hudson, NH (US);
Yunrui Li, Fremont, CA (US);
Vinay H. Srihari, San Mateo, CA (US);
Mahesh Baburao Girkar, Cupertino, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A method and apparatus for detecting split brain in a distributed system is provided. After determining that a rogue instance is no longer an active member of the cluster, a recovery instance detects activity associated with a redo log that is updated by the rogue instance to store log records that describe changes made by the rogue instance to data associated with the cluster.