Drop Baselines Hangs on Library Cache Lock
(Doc ID 2186647.1)
Last updated on MARCH 03, 2022
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 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 Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
- Drop baselines hangs with library cache lock
- If the baseline is being used, the library cache lock wait occurs. The baseline never drops.
- If the baseline is not being used, the CPU wait occurs. The baseline never drops.
- The more plans per query the longer it takes to drop. If there is only one plan, the plan drops in seconds.
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