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Troubleshooting: Virtual Circuit Waits (Doc ID 1415999.1)

Last updated on JUNE 13, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.1.5 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


The purpose of the note is to help customers troubleshoot Virtual Circuit Waits.

Troubleshooting Steps

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In this Document
Troubleshooting Steps
 What is a virtual circuit ?
 What are Virtual Circuit Waits?
 Causes for Virtual Circuit Waits
 Diagnostics for Virtual Circuit Wait
 Obtain half an hour to an hour AWR report at the time of wait:
 More Background Information to collect
 Potential Problems and Solutions
 Long running shared server connections
 Known Issues
 Recommended Diagnostics  when opening a Service Request
 Troubleshooting Other Issues

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