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Add ephemeralStorageSizeMB option docs #8142

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Merged
merged 6 commits into from
Jan 13, 2025
Merged

Add ephemeralStorageSizeMB option docs #8142

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df7d618
Add ephemeralStorageSize option docs
fossamagna Nov 29, 2024
724314b
fix: rename ephemeralStorageSize to ephemeralStorageSizeMB
fossamagna Dec 13, 2024
08f542d
Merge branch 'main' into add-ephemeral-storage-size
fossamagna Dec 13, 2024
fc12fdb
Update src/pages/[platform]/build-a-backend/functions/configure-funct…
fossamagna Dec 17, 2024
3e19abb
Merge branch 'main' into add-ephemeral-storage-size
fossamagna Jan 11, 2025
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Merge branch 'add-ephemeral-storage-size' of github.com:fossamagna/do…
fossamagna Jan 11, 2025
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11 changes: 11 additions & 0 deletions src/pages/[platform]/build-a-backend/functions/configure-functions/index.mdx
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Expand Up @@ -69,6 +69,17 @@ export const myDemoFunction = defineFunction({
});
```

## `ephemeralStorageSizeMB`

By default, functions have 512MB of ephemeral storage to them. This can be configured from 512 MB upto 10240 MB. Note that this can increase the cost of function invocation. For more pricing information see [here](https://aws.amazon.com/lambda/pricing/).

```ts title="amplify/functions/my-demo-function/resource.ts"
export const myDemoFunction = defineFunction({
// highlight-next-line
ephemeralStorageSizeMB: 1024 // allocate 1024 MB of ephemeral storage to the function.
});
```

## `runtime`

Currently, only Node runtimes are supported by `defineFunction`. However, you can change the Node version that is used by the function. The default is the oldest Node LTS version that is supported by AWS Lambda (currently Node 18).
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