Asynchronous Change Data Capture Mapping Table growing over time (Doc ID 1285105.1)

Last updated on JANUARY 20, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 11.1.0.6 to 11.2.0.2 - Release: 11.1 to 11.2
Information in this document applies to any platform.

Symptoms

An internal Change Data Capture (CDC) mapping table called CDC$M_<CHANGE_SET_NAME> has grown to a large size int terms of storage used and the number of rows associated with it.

Cause

Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms