Thousands Of Audit Trail Files (.aud) With "EXEC_FROM_DBMS_XPLAN"

(Doc ID 2355163.1)

Last updated on APRIL 09, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.
Upgrade to 12c

Symptoms

Customer is experiencing issues with thousand of aud file with reference from exec from dbms explain plan.
e.g.

ACTION :[147] 'select /*+ opt_param('parallel_execution_enabled','false') EXEC_FROM_DBMS_XPLAN */ * from gv$sql_plan where 1=0

and auditing is using MIXED MODE, i.e Unified Auditing is not enabled.

Unified auditing option

PARAMETER VALUE
-------------------- ----------
Unified Auditing FALSE

adn the following is AUDIT actions are enabled under 

System auditing options across the system and by user

AUDIT SYSDBA BY ACCESS ;
AUDIT SYSOPER BY ACCESS ;

 

 

 

Changes

Upgrade to 12c

Cause

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