Performance Issues Due to UCP Locking (Doc ID 1588802.1)

Last updated on MAY 24, 2017

Applies to:

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

Symptoms

Performance issues have been reported due to massive contention on the Grid Link Data Source getConnection() method. Thread dumps show the following signature:

Cause

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