FAN Enabled / Slow Connection Time / Many Entries in sys.reg$ for Subscription "SYS"."SRVQUEUE":"TAFTSM" (Doc ID 782050.1)

Last updated on SEPTEMBER 10, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database - Enterprise Edition - Version 10.2.0.2 to 10.2.0.4 [Release 10.2]
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.
Checked for currency 14-Dec-2013



Symptoms

RAC - Clustered database

FAN : Fast Application Notification enabled

ODP.net or OCI related client application

There are a large number of entries in sys.reg$ which are not cleaned out.

These entries are associated with subscription name : SYS.SRVQUEUE:TAFTSM

Client connections to the database may be slow, including when using the -s (banner suppression) option
with SQL*Plus.

Cause

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