From b0cbe888ff23dc86c00a221fdc50854a526ea97f Mon Sep 17 00:00:00 2001 From: Pan Ousley Date: Mon, 11 Dec 2023 15:39:57 -0500 Subject: [PATCH] CNV#35107: bugfix in VM memory overhead section --- .../virt-cluster-resource-requirements.adoc | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/modules/virt-cluster-resource-requirements.adoc b/modules/virt-cluster-resource-requirements.adoc index bee5b9a399..5827a41c1b 100644 --- a/modules/virt-cluster-resource-requirements.adoc +++ b/modules/virt-cluster-resource-requirements.adoc @@ -34,14 +34,19 @@ Additionally, {VirtProductName} environment resources require a total of 2179 Mi .Virtual machine memory overhead ---- -Memory overhead per virtual machine ≈ (1.002 * requested memory) + 146 MiB \ - + 8 MiB * (number of vCPUs) \ <1> - + 16 MiB * (number of graphics devices) <2> +Memory overhead per virtual machine ≈ (1.002 × requested memory) \ + + 218 MiB \ <1> + + 8 MiB × (number of vCPUs) \ <2> + + 16 MiB × (number of graphics devices) \ <3> + + (additional memory overhead) <4> ---- -<1> Number of virtual CPUs requested by the virtual machine -<2> Number of virtual graphics cards requested by the virtual machine - -If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device. +<1> Required for the processes that run in the `virt-launcher` pod. +<2> Number of virtual CPUs requested by the virtual machine. +<3> Number of virtual graphics cards requested by the virtual machine. +<4> Additional memory overhead: +* If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device. +* If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB. +* If Trusted Platform Module (TPM) is enabled, add 53 MiB. [discrete] [id="CPU-overhead_{context}"]