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Dequeue Performance Degradation after Upgrading to 10.2 (Doc ID 419185.1)

Last updated on MARCH 05, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.3 [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Dequeue peformance from a single-consumer queue using retention has degraded in 10gR2.

The processing procedure is 3x times faster in both 8.1.7.4. and 9.2.0.7.

Cause

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In this Document
Symptoms
Cause
Solution
References

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