Amazon DynamoDB
*Service Overview
*
Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. It is designed for applications that need consistent, single-digit millisecond latency at any scale. DynamoDB handles the administrative burdens of operating and scaling a distributed database, so developers can focus on building applications.
Key Features
Managed NoSQL Database: Fully managed, serverless, and scalable.
High Performance: Consistent single-digit millisecond latency.
Automatic Scaling: Scales throughput and storage automatically based on application needs.
Global Tables: Multi-region, fully replicated tables for high availability and disaster recovery.
Integrated Security: Supports AWS IAM for fine-grained access control, encryption at rest, and TLS for data in transit.
Streams & Triggers: Supports DynamoDB Streams to capture changes and integrate with AWS Lambda for event-driven architectures.
Backup and Restore: On-demand and continuous backups for data protection.
AWS Category / Cloud Domain
Category: Database / NoSQL
Cloud Domain: Data Storage, Serverless Databases
Where It Fits in Cloud / DevOps Lifecycle
Application Layer: Used as the primary database for web, mobile, IoT, and gaming applications.
DevOps Integration: Can be provisioned via Infrastructure as Code (IaC) tools like AWS CloudFormation or Terraform; integrates with CI/CD pipelines for automated deployments.
Event-Driven Workflows: Works seamlessly with AWS Lambda, API Gateway, and other services for serverless architectures.
Programming Language / Access Methods
APIs / SDKs: Available for Python (boto3), Java, JavaScript (Node.js), .NET, Go, Ruby, PHP, and C++.
Access Methods:
AWS Management Console
AWS CLI
AWS SDKs
REST API
Pricing Model
On-Demand Capacity Mode: Pay-per-request for read and write operations.
Provisioned Capacity Mode: Predefine read/write capacity units; can scale manually or with auto-scaling.
Storage Costs: Charged per GB-month of data stored.
Optional Features: Additional costs for backups, streams, global tables, and data transfer.
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