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:
Oct. 25, 2022
Filed:
Sep. 02, 2020
Oracle International Corporation, Redwood Shores, CA (US);
Saikrishnan Krishnamurthy, Nashua, NH (US);
ORACLE INTERNATIONAL CORPORATION, Redwood Shores, CA (US);
Abstract
In some embodiments, a client replication service manages log mining during a rolling upgrade, in which the primary role is switched over from an original primary DBMS to a new primary DBMS having updated software. The client replication service or specifically a mining engine maintains an original session on the original primary DBMS to mine redo logs associated with the original primary DBMS until the original primary DBMS is not a primary DBMS anymore. At that time, if the mining of those redo logs is not complete, the client replication service further starts a downstream session on the new primary DBMS to mine copies of the unmined redo logs.
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