My Oracle Support Banner

Large Waits With The Wait Event "Resmgr:Cpu Quantum" (Doc ID 806893.1)

Last updated on JANUARY 27, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Information in this document applies to any platform.
A complete list of patches required to address this problem is maintained by the resource manager product team in
Note 1339803.1 - Recommended Patches for CPU Resource Manager


High waits on wait event 'resmgr:cpu quantum', while there is no CPU load on the host.

Top 5 Timed Events
Event                   Waits   Time(s) Avg Wait(ms) % Total CallTime WaitClass
resmgr:cpu quantum      247074   4036            16              58.3 Scheduler
CPU time                3201       46.3
log file sync           225905    808             4              11.7 Commit
db file sequential read 95930     650             7               9.4 User I/O
log file parallel write 235251    569             2               8.2 System I/O


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

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.