AWS Big Data Blog

Category: Technical How-to

Simplify authentication with native LDAP integration on Amazon EMR

Many companies have corporate identities stored inside identity providers (IdPs) like Active Directory (AD) or OpenLDAP. Previously, customers using Amazon EMR could integrate their clusters with Active Directory by configuring a one-way realm trust between their AD domain and the EMR cluster Kerberos realm. For more details, refer to Tutorial: Configure a cross-realm trust with […]

Multi-Warehouse ETL Architecture. Two workloads--a Purchase History ETL job ingesting 10M rows nightly and users running 25 read queries per hour--using a 32 RPU serverless workgroup to read from and write to the database Customer DB. It shows a separate workload--a Web Interactions ETL job ingesting 400M rows/hour--using a separate 128 RPU serverless workgroup to write to the database Customer DB.

Improve your ETL performance using multiple Redshift warehouses for writes (Preview)

Amazon Redshift is a fast, petabyte-scale, cloud data warehouse that tens of thousands of customers rely on to power their analytics workloads. Thousands of customers use Amazon Redshift read data sharing to enable instant, granular, and fast data access across Redshift provisioned clusters and serverless workgroups. This allows you to scale your read workloads to […]

Enhance data security and governance for Amazon Redshift Spectrum with VPC endpoints

Many customers are extending their data warehouse capabilities to their data lake with Amazon Redshift. They are looking to further enhance their security posture where they can enforce access policies on their data lakes based on Amazon Simple Storage Service (Amazon S3). Furthermore, they are adopting security models that require access to the data lake […]

Secure connectivity patterns for Amazon MSK Serverless cross-account access

Amazon MSK Serverless is a cluster type of Amazon Managed Streaming for Apache Kafka (Amazon MSK) that makes it straightforward for you to run Apache Kafka without having to manage and scale cluster capacity. MSK Serverless automatically provisions and scales compute and storage resources. With MSK Serverless, you can use Apache Kafka on demand and […]

Automate AWS Clean Rooms querying and dashboard publishing using AWS Step Functions and Amazon QuickSight – Part 2

Public health organizations need access to data insights that they can quickly act upon, especially in times of health emergencies, when data needs to be updated multiple times daily. For example, during the COVID-19 pandemic, access to timely data insights was critically important for public health agencies worldwide as they coordinated emergency response efforts. Up-to-date […]

Use multiple bookmark keys in AWS Glue JDBC jobs

AWS Glue is a serverless data integrating service that you can use to catalog data and prepare for analytics. With AWS Glue, you can discover your data, develop scripts to transform sources into targets, and schedule and run extract, transform, and load (ETL) jobs in a serverless environment. AWS Glue jobs are responsible for running […]

Combine transactional, streaming, and third-party data on Amazon Redshift for financial services

Financial services customers are using data from different sources that originate at different frequencies, which includes real time, batch, and archived datasets. Additionally, they need streaming architectures to handle growing trade volumes, market volatility, and regulatory demands. The following are some of the key business use cases that highlight this need: Trade reporting – Since […]

Use Amazon Athena with Spark SQL for your open-source transactional table formats

In this post, we show you how to use Spark SQL in Amazon Athena notebooks and work with Iceberg, Hudi, and Delta Lake table formats. We demonstrate common operations such as creating databases and tables, inserting data into the tables, querying data, and looking at snapshots of the tables in Amazon S3 using Spark SQL in Athena.

Enforce fine-grained access control on Open Table Formats via Amazon EMR integrated with AWS Lake Formation

With Amazon EMR 6.15, we launched AWS Lake Formation based fine-grained access controls (FGAC) on Open Table Formats (OTFs), including Apache Hudi, Apache Iceberg, and Delta lake. This allows you to simplify security and governance over transactional data lakes by providing access controls at table-, column-, and row-level permissions with your Apache Spark jobs. Many […]

Power neural search with AI/ML connectors in Amazon OpenSearch Service

With the launch of the neural search feature for Amazon OpenSearch Service in OpenSearch 2.9, it’s now effortless to integrate with AI/ML models to power semantic search and other use cases. OpenSearch Service has supported both lexical and vector search since the introduction of its k-nearest neighbor (k-NN) feature in 2020; however, configuring semantic search […]