LOCK ON SYS.SMON_SCN_TIME (Doc ID 747745.1)

Last updated on JUNE 22, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.5 to 10.2.0.3 [Release 10.1 to 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

As soon as customer starts up the database, a lock is put on
SYS.SMON_SCN_TIME by SMON and it never go away.

Database Performance becomes slow.

SMON_SCN_TIME has huge number of records.

 

Cause

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