ODA ODACLI UPDATE-OSPARAMETERS or OAKCLI RECONFIGURE OSPARAMS to Calculate, Update and Set Kernel / Memory Values Including Hugepages
(Doc ID 2220254.1)
Last updated on FEBRUARY 14, 2024
Applies to:
Oracle Database Appliance Software - Version 2.1.0.1 to 18.3.0.0.0 ODAVP [Release 2.1 to 12.2]Information in this document applies to any platform.
ODA, ODA HA, ODA X6-2 , ODA X7-2, ODAVP, Hugepages, OS kernel parameters,
Goal
One challenge with the ODA is calculating the correct OS / Kernel values for memory:
Specific use cases include:
- New memory added to an existing ODA System (DIMMs)
- Calculating HugePages based on current and changing usage
- Generic memory optimization based on current and changing usage
- New usage
This note describes the steps to set Kernel parameters
- Automatically
- Manually
OS parameter sizing is not unique to hardware type. The sizing of OSparams and Huge pages is based on the LINUX + Physical memory available.
This note includes references to the following commands:
- odacli update-osconfigurations (DCS stack as of 18.5 and higher)
- oakcli reconfigure osparams (oakcli stack )
While many of the newer X6-2* and X7-2* as well as 18.3 Bare Metal versions of the ODA may not use OAKCLI or DCS odacli commands manual steps can still be used.
Solution
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