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Exalogic Virtual: Dom0 Memory Recommendations For Virtual Racks (Doc ID 2556491.1)

Last updated on JULY 27, 2022

Applies to:

Oracle Exalogic Elastic Cloud Software - Version and later
Linux x86-64
Oracle Virtual Server x86-64


This Note provides detailed information on how to increase dom0 memory to recommended values for Virtual racks.

Below are recommended Dom0 memory settings for Virtual racks based on Compute Node Hardware Model & total physical memory (RAM) installed. Dom0 Memory Recommendations

Compute Node Memory Recommended Dom0 Memory
256 GB (X3-2, X4-2, X5-2 and X6-2) 7168M (7 GB)
512 GB (X3-2, X4-2, X5-2 and X6-2) 12800M (12.5 GB)
768 GB (X5-2 and X6-2) 18432M (18 GB)
1024 GB (X5-2 and X6-2) 22008M (22GB)



Dom0 recommendations in this MOS Note only applies to Exalogic Virtual racks.

For Dom0 memory recommendations for Exalogic Virtual racks,, & refer to below MOS Note.


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In this Document
 Dom0 memory change on one compute node at a time (non dcli method)
 DCLI method to make Dom0 memory changes on all or multiple compute nodes at a time

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