My Oracle Support Banner

AQ-RAC: Rule-Based Subscribers Are Not Updated Correctly In AQ$_SUBSCRIBER_LWM (Doc ID 2542580.1)

Last updated on JANUARY 03, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 to 18.1.0.0.0 [Release 12.1 to 18]
Information in this document applies to any platform.

Symptoms

The issue is observed in AQ Sharded Queues where LWM for rule-based subscribers not updated correctly in SYS.AQ$_SUBSCRIBER_LWM . 

If there is no valid message for a rule based subscriber in a shard the update of LWM entry is not happening. In this case the LWM entry in table 

SYS.AQ$_SUBSCRIBER_LWM is found to be stuck at 0.

Changes

 

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

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.