🔹 1. Service Overview
Amazon S3 Glacier is a secure, low-cost archival storage service.
Used for rarely accessed data.
Best for long-term data retention.
Integrated with the Amazon S3 ecosystem.
⭐ 2. Key Features
✔ Extremely low storage cost
✔ Designed for long-term backups
✔ High durability (99.999999999%)
✔ Data encrypted at rest & in transit
✔ Multiple storage classes (Glacier, Deep Archive)
✔ Supports lifecycle policies from S3
✔ Scalable for large volumes of data
☁️ 3. AWS Category / Cloud Domain
AWS Category: Storage Services
Cloud Domain:
• Cloud Storage
• Backup & Archival
• Disaster Recovery
🔄 4. Where It Fits in Cloud / DevOps Lifecycle
➤ Backup & restore stage
➤ Disaster recovery planning
➤ Storage of old application logs
➤ Archiving CI/CD pipeline artifacts
➤ Compliance & audit data storage
➤ Cost optimization in cloud lifecycle
💻 5. Programming Language / Access Methods
• AWS Management Console
• AWS Command Line Interface (CLI)
• AWS SDKs support:
Python (Boto3)
Java
Node.js
Shell scripts
• Infrastructure as Code tools (CloudFormation, Terraform)
💰 6. Pricing Model
🔹 Pay-as-you-go pricing
🔹 Very low storage cost
🔹 Retrieval cost depends on access speed
🔹 Extra charges for early deletion
🔹 No upfront or fixed cost
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