CPU Usage Spiking When Start DBMS On Oracle Linux 6

(Doc ID 1995167.1)

Last updated on APRIL 16, 2015

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

Running Oracle RDBM 11.2.0.4 PSU4 and CRS on Oracle Linux 6.6 and when instance starts and mounted orarootagent.bin uses a large amount of CPU and also high load.

The issue could be reproduced with UEK2/UEK3/RHCK when Oracle instance is started and DB is mounted.

Due to this issue, lot of CPU and load on the system is extremely high, cannot run the database.

Cause

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