High Virtual Circuit Wait Running SQL Through a Juniper Firewall
(Doc ID 1293202.1)
Last updated on FEBRUARY 24, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [Release 11.2]Oracle Net Services - Version 9.2.0.1 to 11.2.0.2 [Release 9.2 to 11.2]
Information in this document applies to any platform.
Symptoms
From DBControl, High 'virtual circuit wait' is seen on a 'SELECT' SQL.
From ASH Report in 65 minutes elapsed time:
Top User Events
Event "Event Class" % Event "Avg Active Sessions"
virtual circuit wait Network 98.32 7.99
The database is experiencing low performance.
Changes
Firewall policy was implemented for security purposes.
Firewall Device: Juniper Firewall SSG-520 with Firmware Version 6.2.0 R4.0 .
Cause
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In this Document
| Symptoms |
| Top User Events |
| Changes |
| Cause |
| Solution |
| References |