LISTENER RESPONSE Status metric triggers with: TNS PING IS over 1000 MS (Doc ID 1578788.1)

Last updated on MARCH 08, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 11.1.0.1 to 12.1.0.4.0 [Release 11.1 to 12.1]
Information in this document applies to any platform.

Symptoms

Metric Listener Response Status:tnsping triggers with the following error for an 11.2.0.1 Listener:

Listener response to a TNS ping is 15,070 msecs

This high tnsping response also reproduces from command line:

$ tnsping LISTENER 1

TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 20-AUG-2013 23:55:01

Copyright (c) 1997, 2009, Oracle. All rights reserved.

Used parameter files:
/oracle/product/db/11.2.0/network/admin/sqlnet.ora

Used EZCONNECT adapter to resolve the alias
Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTOCOL=TCP)(HOST=myHost.oracle.com)(PORT=1521)))
OK (8560 msec)

Cause

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