AWS Database Blog

Amazon DocumentDB (with MongoDB compatibility) is a database service that is purpose-built for JSON data management at scale, fully managed and integrated with AWS, and enterprise-ready with high durability. This post introduces you to the new geospatial query capabilities in Amazon DocumentDB, specifically the $nearSphere query operator and the $geoNear aggregation pipeline stage. For more […]

Amazon DocumentDB (with MongoDB compatibility) is a database service that is purpose-built for JSON data management at scale, fully managed and integrated with AWS, and enterprise-ready with high durability. Amazon DocumentDB added support for role-based access control (RBAC) with user-defined roles. Support for user-defined roles builds upon the existing Role-Based Access Control (RBAC) functionality, allowing […]

  Amazon Relational Database Service (Amazon RDS) for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition version 9.6 end of life is approaching. If you’re currently running PostgreSQL 9.6, you must upgrade your databases or AWS will automatically upgrade your RDS for PostgreSQL databases starting January 18, 2022, and Aurora PostgreSQL databases starting January 31, 2022. Unlike […]

When you’re migrating from a MongoDB or Amazon DocumentDB (with MongoDB compatibility) database using AWS Database Migration Service (AWS DMS) in full load mode, a primary consideration is the ability to performantly migrate data. By default, when you provision a replication instance in AWS DMS, it uses a single threaded process to migrate data. A […]

Time to Live (TTL) is a widely used feature in Apache Cassandra. TTL helps developers manage storage costs and simplify application logic by expiring data automatically at a specified time. For example, you can use TTL in time series workloads to remove older data automatically to save on storage costs. You also can use TTL […]

Many organizations around the world, such as government agencies, financial institutions, and non-profits, are looking for ways to protect their valuable data from ransomware attacks and natural disasters. In addition, many businesses are required to maintain their data long term to meet regulatory compliance and business policies. In the cloud, a strategy we see customers […]

Managing virtual machine images that you standardize through configuration, consistent security patching, and hardening (also called “golden images”) is a time-consuming task. System administrators and database administrators responsible for these tasks have to define the characteristics of these images (such as which software to pre-install, which versions to use, and which security configurations to apply). […]

Critical workloads with a global footprint have strict availability requirements and may need to tolerate a Region-wide outage. Traditionally, this required a difficult trade-off between performance, availability, cost, and data integrity, and sometimes required a considerable re-engineering effort. Due to the high implementation and infrastructure costs that are involved, some businesses are compelled to tier […]

Many software as a service (SaaS) customers on AWS are familiar with multi-tenancy and tenant isolation. Indeed, customers using MySQL, for instance, may have adopted the bridge model of multi-tenancy, where each tenant has access to their own isolated database or schema. AWS provides many tools and best practices to get started, but achieving database […]

Migrating the raw data from source systems into a central repository is usually the first step in establishing a data lake. Many systems store source data in relational database tables, therefore a mechanism is required to ingest this data in the data lake and also get some relevant metadata about these tables so that data […]