Database open stuck on 'resmgr:cpu quantum' wait after setting the resource manager plan.
(Doc ID 2143639.1)
Last updated on OCTOBER 13, 2020
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2 to 12.1]
Oracle 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.
Database instance startup operation hangs on 'resmgr:cpu quantum' wait.
The hang analyz and systemstate dump collected to diagnose the issue would indicate that the session that runs the 'alter database open' command was stuck on 'resmgr:cpu quantum' wait.
Enable the resource manager plan.
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