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

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1]
Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database - Enterprise Edition - Version to [Release 10.2]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


RAC - Clustered database

FAN : Fast Application Notification enabled 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.


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