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 11.1.0.6 to 11.1.0.7 [Release 11.1]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 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.
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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In this Document
| Symptoms |
| Cause |
| Solution |
| References |