My Oracle Support Banner

Performance Issues Due to UCP Locking (Doc ID 1588802.1)

Last updated on MAY 26, 2021

Applies to:

Oracle WebLogic Server - Version 10.3.6 to 12.1.2.0.0
Information in this document applies to any platform.

Symptoms

Gridlink datasources implents Universal Connection Pool (UCP) for the connection pool.
Performance issues have been reported due to massive contention on the Grid Link Data Source getConnection() method. Thread dumps show the following signature:

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.