PLSQL Notification Callback Slow After Upgrade From 10.2.0.3.0 To 220.127.116.11.0
Last updated on NOVEMBER 13, 2014
Applies to:Oracle Server - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2]
Information in this document applies to any platform.
In 11.2 AQ PL/SQL Notifications, and therefore user messages, are not processed due to the handling of an ORA-8177 reported on dequeue from the notification queue.
ALTER SESSION SET ISOLATION_LEVEL = SERIALIZABLE is used in the Advanced Queueing (AQ) callback procedure.
In 10.2 the same exception is reported but the user messages are still successfully and efficiently processed.
Upgrade from 10.2 to 11.2
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