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cli: disable nosmt via VMM temporarily.

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AWS asked us to disable these options temporarily until they resolve
some internal issues that sometimes prevents these instances
from starting.
This commit is contained in:
Otto Bittner 2023-09-04 16:32:06 +02:00
parent cb934ed087
commit 6e5ba774d8
1 changed files with 3 additions and 2 deletions
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cli/internal/terraform/terraform/aws/modules/instance_group/main.tf
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@ -54,11 +54,12 @@ resource "aws_launch_template" "launch_template" {
# Disable SMT. We are already disabling it inside the image. # Disable SMT. We are already disabling it inside the image.
# Disabling SMT only in the image, not in the Hypervisor creates problems. # Disabling SMT only in the image, not in the Hypervisor creates problems.
# Thus, also disable it in the Hypervisor. # Thus, also disable it in the Hypervisor.
threads_per_core = 1 # TODO (derpsteb): reenable once AWS confirms it's safe to do so.
# threads_per_core = 1
# When setting threads_per_core we also have to set core_count. # When setting threads_per_core we also have to set core_count.
# For the currently supported SNP instance families (C6a, M6a, R6a) default_cores # For the currently supported SNP instance families (C6a, M6a, R6a) default_cores
# equals the maximum number of available cores. # equals the maximum number of available cores.
core_count = data.aws_ec2_instance_type.instance_data.default_cores # core_count = data.aws_ec2_instance_type.instance_data.default_cores
} }
lifecycle { lifecycle {