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Amazon CLF-C02: What AWS Service Can Handle Millions of Database Queries Per Second?

Discover which AWS service is best suited for handling millions of database queries per second. Learn why Amazon DynamoDB is the optimal choice for high-performance, scalable applications.

Question

A company is building an application that will receive millions of database queries per second. Which AWS service will meet this need?

A. Amazon DynamoDB
B. AWS Cloud9
C. Amazon ElastiCache for Memcached
D. Amazon Neptune

Answer

A. Amazon DynamoDB

Explanation

Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability.

Why Amazon DynamoDB?

Amazon DynamoDB is a fully managed NoSQL database service designed to deliver high performance, scalability, and reliability for applications requiring low-latency responses and the ability to handle massive workloads. It can process millions of requests per second and supports key-value and document data models, making it ideal for applications with unpredictable or high-throughput workloads.

Key Features That Make DynamoDB the Right Choice

  1. Scalability: DynamoDB can scale horizontally by distributing data across multiple partitions, ensuring it can handle peaks of more than 20 million requests per second without performance degradation.
  2. Serverless Architecture: It eliminates the need to manage infrastructure, automatically scaling up or down based on demand.
  3. Low Latency: DynamoDB provides single-digit millisecond response times, even under heavy loads.
  4. High Availability: It replicates data across multiple Availability Zones to ensure durability and reliability.

Use Cases

  • Applications like Netflix, Disney+, and Tinder rely on DynamoDB to manage billions of daily transactions with consistent performance.
  • Real-time applications such as gaming leaderboards, IoT telemetry, and e-commerce platforms benefit from its ability to handle unpredictable traffic patterns.

Amazon DynamoDB is the best choice for applications requiring the ability to handle millions of database queries per second due to its unmatched scalability, low latency, and serverless capabilities. It empowers businesses to build robust, high-performance applications without worrying about infrastructure limitations.

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