Automatic Deletion of SQL Plan Baselines Does Not Delete Plans That Exceed 'PLAN_RETENTION_WEEKS' (Doc ID 2794301.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 19.9.0.0.0 and later
Information in this document applies to any platform.

Automatic Deletion of SQL Plan Baselines Does Not Delete Plans That Exceed 'PLAN_RETENTION_WEEKS' Causing SYSAUX Tablespace to grow
SQL Plan Baselines are maintained in the SYSAUX Tablespace based on two parameters:

Parameter 'PLAN_RETENTION_WEEKS'. This parameter can have any value between 5 to 523 weeks; with a default value of 53 (1 year plus 1 week).
Attribute 'autopurge', set on individual Baselines.

Based on these parameters, a Baseline will be purged from the SYSAUX Tablespace if Attribute 'autopurge' = YES, and it has not been executed in 'PLAN_RETENTION_WEEKS'

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