My Oracle Support Banner

Streams Apply Throughput Degradation when Using CCA (Doc ID 1904737.1)

Last updated on FEBRUARY 26, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
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 Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

After upgrading to 11.2.0.3, the APPLY throughput shows better performance in non-CCA mode than in CCA mode, specially when handling tables with +100 columns.

The problem is not observed when CCA is disabled via _DIRECT_APPLY=N.

Changes

Upgrade to 11.2.0.3

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
Changes
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.