Automatic Workload Repository (AWR) Snapshots are not Generated After Upgrade From 11g to 12c on POWER4, POWER 5 or POWER5+ FRAME
(Doc ID 2062511.1)
Last updated on MAY 12, 2022
Applies to:
Oracle Database Backup Service - Version N/A and laterOracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.2 [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
IBM AIX on POWER Systems (64-bit)
Symptoms
- Automatic Workload Repository (AWR) snaphosts are not being collected
- Creating manual AWR snapshots may work intermittently
- An AWR report generated from snapshots created manually, may show output similar to the following:
- Queries executed against data dictionary views are very slow and impacting applications. Additionally, users may complain that queries are generally slower.
Changes
Database upgrade to 12c on POWER4, POWER 5 or POWER5+ FRAME
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |