---
description: "This documentation outlines minimum and recommended system requirements for utilizing S3 storage"
---

# AWS S3 (or compatible) Requirements

## Minimum system requirements

| Item       | Requirement       |
| ---------- | ----------------- |
| Version    | --                |
| Memory     | 4GB               |
| CPU        | 2vCPUs            |

Table: Minimum system requirements for AWS S3 (or compatible)

## Recommended system requirements

| Item       | Requirement       |
| ---------- | ----------------- |
| Version    | --                |
| Memory     | 16GB              |
| CPU        | 4vCPUs            |

Table: Recommended system requirements for AWS S3 (or compatible)

## Used S3 APIs

The following S3 APIs are used by Critical Manufacturing MES components for storage operations:

| API Operation     | Purpose                                                    | Required Permission |
|-------------------|------------------------------------------------------------|---------------------|
| DoesS3BucketExist | Validates bucket availability before performing operations | `s3:HeadBucket`     |
| Upload            | Stores data and files in S3 storage                        | `s3:PutObject`      |
| GetObject         | Downloads and accesses stored data from S3                 | `s3:GetObject`      |
| PutBucket         | Creates new S3 buckets for storage initialization          | `s3:CreateBucket`   |

Table: S3 APIs used by CM MES

!!! note "API Compatibility"
    These APIs are compatible with AWS S3 and S3-compatible storage solutions. Ensure your S3-compatible storage provider supports all listed operations for full CM MES functionality.