RMAN Troubleshooting Catalog Performance Issues
(Doc ID 748257.1)
Last updated on JANUARY 29, 2022
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 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 Backup Service - Version N/A and later
Information in this document applies to any platform.
This note discusses what to look for when queries against the RMAN repository (whether in the controlfile or a catalog database) are performing badly and what diagnostics needs to be gathered when raising a Service Request with Oracle Support Services.
This note is intended for use by Database Administrators and Support personnel investigating RMAN performance problems relating specifically to catalog resyncs or queries against the controlfile or catalog database whilst running RMAN.
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