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Bump max cpus per VM to 254 #2974

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Merged
david-crespo merged 2 commits into from
Feb 2, 2026
Merged

Bump max cpus per VM to 254 #2974

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4faea6d
bump max cpus per VM to 254
david-crespo Nov 13, 2025
1bf5bda
make that 128
david-crespo Feb 2, 2026
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7 changes: 5 additions & 2 deletions app/api/util.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,14 @@ import type {
VpcFirewallRuleUpdate,
} from './__generated__/Api'

// API limits encoded in https://github.com/oxidecomputer/omicron/blob/aec3cd8d/nexus/src/app/mod.rs
// API limits encoded in https://github.com/oxidecomputer/omicron/blob/44e65c3/nexus/src/app/mod.rs#L130-L161

export const MAX_NICS_PER_INSTANCE = 8

export const INSTANCE_MAX_CPU = 64
// Limit is 254 on the backend but we haven't shipped any hardware that supports
// that, so let's do 128 for now
export const INSTANCE_MAX_CPU = 128

export const INSTANCE_MIN_RAM_GiB = 1
export const INSTANCE_MAX_RAM_GiB = 1536

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2 changes: 1 addition & 1 deletion test/e2e/instance-create.e2e.ts
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Expand Up @@ -638,7 +638,7 @@ test('Validate CPU and RAM', async ({ page }) => {

const submitButton = page.getByRole('button', { name: 'Create instance' })

const cpuMsg = page.getByText('Can be at most 64').first()
const cpuMsg = page.getByText('Can be at most 128').first()
const memMsg = page.getByText('Can be at most 1536 GiB').first()

await expect(cpuMsg).toBeHidden()
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