How To Rebuild Queue Tables via Export/Import for pre-10g Databases
(Doc ID 284940.1)
Last updated on JULY 19, 2023
Applies to:
Oracle Database Exadata Express Cloud Service - Version N/A and laterGen 1 Exadata Cloud at Customer (Oracle Exadata Database 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
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Goal
To provide a script to generate the required scripts to reset the Highwater Mark (HWM) of any users Advanced Queueing (AQ) queue tables in a database by using export/import. In pre-9i databases, this provides an alternative to the workaround discussed in <Note: 271855.1> to reduce the CPU and resource usage of the queue monitor processes.
Database Administrators can use this script when they need to reduce the space consumption of relating to AQ objects within a database, improve the enqueue/dequeue performance, and reduce the resource consumption of the Queue Monitor processes.
Solution
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In this Document
| Goal |
| Solution |
| Requirements |
| Configuring |
| Instructions |
| Script |
| References |