Excessive Redo Generation When Workflow Mailer Is Running

(Doc ID 1481122.1)

Last updated on JUNE 27, 2016

Applies to:

Oracle Workflow Cartridge - Version 11.5.10.2 to 12.2 [Release 11.5.10 to 12.2]
Information in this document applies to any platform.

Symptoms

On Oracle Application instance that uses database 11.2.0.3, it was observed that there is a high generation of redo log files. When using the steps from the following document:

SQL: How to Find Sessions Generating Lots of Redo or Archive logs (Doc ID 167492.1)

As well as the following query to get the sql associated with the session:

 The fix from the following note was applied, but the problem persists:

Note 549858.1 - ORA-01555 caused by WF_EVENT_OJMSTEXT_QH.DEQUEUE

Cause

Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms