Gather_Database_Stats_Job_Proc Taking More Time in 12.1.0.2 Than 11.2.0.4
(Doc ID 2041541.1)
Last updated on MARCH 03, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- After database upgrade to 12.1.0.2, gather_database_stats_job_proc() takes much longer time than in 11.2.0.4:
Changes
The change is due to bug fix 16851194, which introduced RECLAIM_SYNOPSIS_SPACE procedure.
Cause
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