Many RAC sessions in long wait, with root session waiting for 'gc current request'
(Doc ID 1907369.1)
Last updated on JUNE 18, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
In a RAC database, a session may get stuck waiting for 'gc current request', with no obvious blocker. This can cause many sessions to pile up waiting so that there appears to be a database hang. Hanganalyze will show that the root session is waiting for 'gc current request'.
Example chain in hanganalyze output:
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
Symptoms |
Cause |
Solution |
References |