Category: Amazon Aurora

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 […]

When selecting a relational database engine, customers look at many different aspects, including management, performance, reliability, automation, and more recently, the ability to natively encrypt data at rest. Amazon Aurora provides a highly available, optimal, and scalable relational database engine that supports both MySQL and PostgreSQL. Amazon Aurora also supports native encryption of data at […]

Sorting is one of the most fundamental operations in databases, and optimizing this process is vital to the performance of applications. Sorting involves arranging records in a database table into some meaningful order to make it easier to understand, analyze, and visualize the data. For example, you might want to sort orders by their delivery […]

Critical workloads with a global footprint, such as financial, travel, or gaming applications, have strict availability and disaster recovery requirements and may need to tolerate a Region-wide outage. Traditionally, this requires difficult trade-offs between performance, availability, cost, and Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO). In some situations, routine maintenance tasks like database […]

Do you have a database where the size of relations on disk is larger than you expect? Did you observe this size increasing every time you ran several UPDATE and DELETE operations on the relations? Did you observe adverse effects on performance of the database as a result of this? This might be a result […]

With more than 45,000 employees in 29 countries, Liberty Mutual is the sixth largest global property and casualty insurer, and currently ranks 71st on the Fortune 100 list of largest corporations in the US. The expectations of customers continue to increase as the pace of change accelerates, the nature and magnitude of risk change, and […]

Enterprises both large and small, across diverse industries and with varying levels of cloud maturity, recognize the importance and value of deploying active/active database configurations. An active/active system is a network of independent processing nodes, each having access to a common replicated database so all nodes can participate in a common application. Some enterprises are […]

Global organizations that operate and do business in many countries need to be compliant with data sovereignty and other compliance rules like GDPR. For example, you may want to replicate data to other Regions while at the same time removing certain columns to adhere to privacy laws within a country. In this post, we demonstrate […]

This blog post was last reviewed or updated April, 2022 to include unplanned failover feature. Important note: This solution relies on Route 53 control plane, which is only available in N.Virginia region (us-east-1). For an unplanned failover, if your primary Region is us-east-1 we don’t advise using this solution as it takes a dependency on the […]