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Low Performance With UCP Drivers 18c and Higher on Multi-core Servers (Doc ID 2855480.1)

Last updated on MARCH 18, 2022

Applies to:

Universal Connection Pool - Version 18.3 and later
Information in this document applies to any platform.

Symptoms

The JDBC/UCP connections do not run effectively with multi-threading, multi-core systems.
The results with JDBC/UCP 12c take 966ms (effective 10 threads), while with JDBC/UCP 18c and 21c both take twice as long (effective <4 threads).


Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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