AWS Big Data Blog

Category: Technical How-to

Accelerate HiveQL with Oozie to Spark SQL migration on Amazon EMR

Many customers run big data workloads such as extract, transform, and load (ETL) on Apache Hive to create a data warehouse on Hadoop. Apache Hive has performed pretty well for a long time. But with advancements in infrastructure such as cloud computing and multicore machines with large RAM, Apache Spark started to gain visibility by […]

Configure SAML federation for Amazon OpenSearch Serverless with AWS IAM Identity Center

Amazon OpenSearch Serverless is a serverless option of Amazon OpenSearch Service that makes it easy for you to run large-scale search and analytics workloads without having to configure, manage, or scale OpenSearch clusters. It automatically provisions and scales the underlying resources to deliver fast data ingestion and query responses for even the most demanding and […]

Connect to Amazon MSK Serverless from your on-premises network

Amazon Managed Streaming for Apache Kafka (Amazon MSK) is a fully managed, highly available, and secure Apache Kafka service. Amazon MSK reduces the work needed to set up, scale, and manage Apache Kafka in production. With Amazon MSK, you can create a cluster in minutes and start sending data. With Amazon MSK Serverless, you can […]

Patterns for updating Amazon OpenSearch Service index settings and mappings

Amazon OpenSearch Service is used for a broad set of use cases like real-time application monitoring, log analytics, and website search at scale. As your domain ages and you add additional consumers, you need to reevaluate and change the domain’s configuration to handle additional storage and compute needs. You want to minimize downtime and performance […]

Architecture Diagram

Implement column-level encryption to protect sensitive data in Amazon Redshift with AWS Glue and AWS Lambda user-defined functions

Amazon Redshift is a massively parallel processing (MPP), fully managed petabyte-scale data warehouse that makes it simple and cost-effective to analyze all your data using existing business intelligence tools. When businesses are modernizing their data warehousing solutions to Amazon Redshift, implementing additional data protection mechanisms for sensitive data, such as personally identifiable information (PII) or […]

Perform accent-insensitive search using OpenSearch

We often need our text search to be agnostic of accent marks. Accent-insensitive search, also called diacritics-agnostic search, is where search results are the same for queries that may or may not contain Latin characters such as à, è, Ê, ñ, and ç. Diacritics are English letters with an accent to mark a difference in […]

Build event-driven data pipelines using AWS Controllers for Kubernetes and Amazon EMR on EKS

An event-driven architecture is a software design pattern in which decoupled applications can asynchronously publish and subscribe to events via an event broker. By promoting loose coupling between components of a system, an event-driven architecture leads to greater agility and can enable components in the system to scale independently and fail without impacting other services. […]

Implement slowly changing dimensions in a data lake using AWS Glue and Delta

In a data warehouse, a dimension is a structure that categorizes facts and measures in order to enable users to answer business questions. To illustrate an example, in a typical sales domain, customer, time or product are dimensions and sales transactions is a fact. Attributes within the dimension can change over time—a customer can change […]

Visualize Confluent data in Amazon QuickSight using Amazon Athena

This is a guest post written by Ahmed Saef Zamzam and Geetha Anne from Confluent. Businesses are using real-time data streams to gain insights into their company’s performance and make informed, data-driven decisions faster. As real-time data has become essential for businesses, a growing number of companies are adapting their data strategy to focus on […]

How SafetyCulture scales unpredictable dbt Cloud workloads in a cost-effective manner with Amazon Redshift

This post is co-written by Anish Moorjani, Data Engineer at SafetyCulture. SafetyCulture is a global technology company that puts the power of continuous improvement into everyone’s hands. Its operations platform unlocks the power of observation at scale, giving leaders visibility and workers a voice in driving quality, efficiency, and safety improvements. Amazon Redshift is a […]