Amazon DocumentDB

Amazon DocumentDB
Amazon DocumentDB
Developer(s)	Amazon.com
Initial release	January 2019; 6 years ago
Operating system	Cross-platform
Available in	English
Type	Document-oriented database;
License	Proprietary
Website	aws.amazon.com/documentdb/

Amazon DocumentDB is a managed proprietary NoSQL database service that supports document data structures and has limited support for MongoDB workloads up to MongoDB version 3.6 (released in 2017) and version 4.0 (released in 2018). As a document database, Amazon DocumentDB can store, query, and index JSON data on Amazon Web Services.^[2]^[3]

Main features

A document database natively stores JSON data. DocumentDB provides single document lookups, index scan, regular expression queries, and aggregations. It can create single field, compound, and multi-key indexes to improve the performance of query patterns. Reads from the indexes on the primary instance are read-after-write consistent and users can delete or create new indexes at any time.

DocumentDB was an enhancement to the Amazon Aurora relational database system.^[4] Its architecture separates storage and compute so that each layer can scale independently, though the system is limited to a single writable master. Amazon DocumentDB uses the Aurora Storage Engine], originally built for the MySQL relational database. This storage engine is distributed, fault-tolerant, self-healing, and durable, which it maintains by replicating data six ways across three AWS Availability Zones (AZs). Amazon DocumentDB databases cannot span AWS Regions or span cloud providers, nor can Amazon DocumentDB run on-premises. The system can support up to 15 low-latency readable replicas and continuously backs up all changes to Amazon S3.

References

External links

Official website

[1] ttps://www.geekwire.com/2019/amazon-web-services-calls-mongodbs-licensing-bluff-documentdb-new-managed-database/

[2] ttps://aws.amazon.com/documentdb/faqs/

[3] ttps://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/

[4] "Is DocumentDB Really PostgreSQL?". EDB. Retrieved 2021-02-07.

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Main features

See also

References

External links