My Oracle Support Banner

SMON Consumes High CPU With Excessive Redo Log Generation (Doc ID 1073704.1)

Last updated on FEBRUARY 23, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.8 to 10.2.0.3 [Release 9.2 to 10.2]
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.
***Checked for relevance on 21-Jul-2017***

Symptoms

After dropping some schema and deleting some objects, SMON process is consuming a high amount of CPU.
Also a high redo-log generation rate and increase in UNDO tablespace size may also be observed.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.