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ODA Default OS Console Loglevel Change in /proc/sys/kernel from [ 4 4 1 7 ] to [ 10 4 1 7 ] Increasing Printed Messages Into the Kernel Logs Impacting Performance (Doc ID 2376989.1)

Last updated on SEPTEMBER 16, 2021

Applies to:

Oracle Database Appliance X4-2 - Version All Versions to All Versions [Release All Releases]
Oracle Database Appliance X7-2 HA Hardware - Version All Versions and later
Information in this document applies to any platform.


NOTE: This problem is Linux OS generic.
While this example will discuss the ODA, the symptoms are possible on most any Linux configuration.
The more servers and devices, the more potential for excessive overhead and performance impact due to this logging.



The problem only happened after an upgrade of their several ODAs to and higher.
Initial assessment of several ODA hardware versions from to almost all included non-default settings which appear to be introduced as part of the patching.


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