Category: AWS Lambda

In this post, we discuss how to perform aggregations on a DynamoDB table using Amazon DynamoDB Streams and AWS Lambda. The content includes a reference architecture, a step-by-step guide on enabling DynamoDB Streams for a table, sample code for implementing the solution within a scenario, and an accompanying AWS CloudFormation template for easy deployment and testing.

The new proof-of-stake consensus mechanism on Ethereum blockchain network allows network participants to earn rewards without spending a lot of computational power for playing a part in securing the network. Unlike miners, validators don’t need to spend many CPU cycles to produce new blocks. They stake 32 ETH (the native cryptocurrency on Ethereum) to be […]

Non-fungible tokens (NFTs) have captured global attention as a mechanism for creating one-of-a-kind digital assets that can be instantly verified as authentic, easily exchanged between users, and made infinitely programmable such that NFTs can be used for a variety of use cases and industries. At its core, NFTs are a form of digital asset or […]

Today marks the one-year anniversary of the launch of Amazon MemoryDB for Redis. On 8/19/2021, AWS announced the general availability of Amazon MemoryDB for Redis, a fully managed, Redis-compatible database, that delivers both in-memory performance and Multi-AZ durability. Over the past year, thousands of customers have adopted MemoryDB as their primary database for critical workloads […]

Amazon Relational Database Service (Amazon RDS) makes it easy to set up, operate, and scale a relational database in the cloud. In traditional databases, you have to spend more time performing administration, backup, patching, capacity planning, version upgrades, new server provisioning, and recovery tasks. You have to manually perform all these activities with an expert […]

Large customer database infrastructures are often deployed with Amazon Relational Database Service (Amazon RDS), which includes various engine types such as Oracle, SQL Server, MySQL, MariaDB, and PostgreSQL. Monitoring is an important part of maintaining the reliability, availability, and performance of Amazon RDS and your AWS solutions. To debug multi-point failures, we recommend that you collect monitoring data from all parts […]

The business problem of real-time data aggregation is faced by customers in various industries like manufacturing, retail, gaming, utilities, and financial services. In a previous post, we discussed an example from the banking industry: real-time trade risk aggregation. Typically, financial institutions associate every trade that is performed on the trading floor with a risk value […]

The collection, aggregation, and reporting of large volumes of data in near real time is a challenge faced by customers from many different industries, like manufacturing, retail, gaming, utilities, and financial services. In this post, we present a serverless aggregation pipeline in AWS. We start by defining the business problem, introduce a serverless architecture for […]

In the financial services industry, efficient data lineage and audit capabilities are highly sought after. This is particularly true for database transaction processing that facilitates the movement of currency and management of sensitive customer account information. This is a challenge for customers because although all financial service providers generally have a means of moving money […]

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 […]