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Amazon DynamoDB vs Apache Aurora: What are the differences?
Introduction: Amazon DynamoDB and Apache Aurora are both popular database management systems, known for their unique features and capabilities. However, they differ in various aspects that cater to different use cases and requirements.
Data Model: Amazon DynamoDB is a NoSQL database that offers flexible document and key-value data model, which allows for easy storage and retrieval of varied datasets. On the other hand, Apache Aurora is a relational database that follows the SQL data model, providing structured data organization and query capabilities.
Scalability: Amazon DynamoDB is designed for high scalability, allowing users to easily scale their databases based on demand without compromising performance. In contrast, Apache Aurora can also scale horizontally, but it requires more manual intervention and configuration compared to DynamoDB.
Workloads: Amazon DynamoDB is optimized for highly scalable and low-latency applications that require quick access to large datasets. On the contrary, Apache Aurora is well-suited for transactional workloads that involve complex queries and data relationships, making it ideal for traditional relational database use cases.
Deployment: Amazon DynamoDB is a managed service provided by AWS, which takes care of infrastructure maintenance and management tasks. In contrast, Apache Aurora needs to be deployed and managed by the user on their own servers or cloud instances, giving more control but also requiring more operational overhead.
Consistency: Amazon DynamoDB offers eventually consistent reads by default, which allows for higher performance but may lead to some data inconsistency in edge cases. Apache Aurora, being a relational database, provides strong consistency guarantees through multi-version concurrency control, ensuring data integrity and accuracy at all times.
Fault Tolerance: Amazon DynamoDB automatically replicates data across multiple availability zones, ensuring high availability and fault tolerance in case of failures. Apache Aurora requires users to set up replication and failover mechanisms manually to achieve similar levels of fault tolerance, making it more labor-intensive in terms of disaster recovery planning.
In Summary, Amazon DynamoDB and Apache Aurora differ in their data model, scalability, workloads, deployment, consistency, and fault tolerance, catering to diverse needs in the database management space.
Pros of Amazon DynamoDB
- Predictable performance and cost62
- Scalable56
- Native JSON Support35
- AWS Free Tier21
- Fast7
- No sql3
- To store data3
- Serverless2
- No Stored procedures is GOOD2
- ORM with DynamoDBMapper1
- Elastic Scalability using on-demand mode1
- Elastic Scalability using autoscaling1
- DynamoDB Stream1
Pros of Apache Aurora
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Cons of Amazon DynamoDB
- Only sequential access for paginate data4
- Scaling1
- Document Limit Size1