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. 23, 2015
Filed:
May. 05, 2014
Oracle International Corporation, Redwood Shores, CA (US);
Alexander Somogyi, Basking Ridge, NJ (US);
Naresh Revanuru, Fremont, CA (US);
Stephen Felts, Denville, NJ (US);
Tong Zhou, Merrick, NY (US);
ORACLE INTERNATION CORPORATION, Redwood Shores, CA (US);
Abstract
A clustered database environment includes multiple database instances that appear as one server. An application server can use a data source and connection pools to connect with the clustered database. A notification service broadcasts notifications describing state changes in the database instances, which are then used by the data source and connection pools to control access to the database instances. A data source configuration allows for specification of a preferred affinity policy. A session affinity policy is used to provide database instance affinity for database access made under the context of a web session, whereby database operations are directed to a particular instance for a period of time when the application may be performing multiple, related updates to a specific data set. Directing such operations to a single database instance can be used to improve application performance due to increased local cache utilization.