Hello Naga,
you might have configured and activated cgroups if only one CPU is used
(regardless how many Oracle shadow processes are simultaneously running on CPU).
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/unxar/administering-oracle-database-on-linux.html#GUID-00ABFA51-266B-422A-A730-A30FF37AAF09
Best Regards
Stefan Koehler
Independent Oracle performance consultant and researcher
Website: http://www.soocs.de
Twitter: @OracleSK
Nagaraj chk <nagaraj.chk@xxxxxxxxx> hat am 22. Mai 2018 um 19:59 geschrieben:--
Dear Gurus,
We observed, oracle database using only on CPU Core during business time
around 90% when compared to other cpus on the server. on the server total 32
cpus assigned ,but only one cpu is getting used ,please advise what can be
the possible reasons.
-Naga
