AWS Big Data Blog

We use Amazon SNS for sending notifications to users, and EventBridge is integrated to schedule running the Step Functions workflow.

Orchestrating an AWS Glue DataBrew job and Amazon Athena query with AWS Step Functions

As the industry grows with more data volume, big data analytics is becoming a common requirement in data analytics and machine learning (ML) use cases. Also, as we start building complex data engineering or data analytics pipelines, we look for a simpler orchestration mechanism with graphical user interface-based ETL (extract, transform, load) tools. Recently, AWS […]

The following architecture diagram illustrates the wind turbine protection system.

Building a real-time notification system with Amazon Kinesis Data Streams for Amazon DynamoDB and Amazon Kinesis Data Analytics for Apache Flink

August 30, 2023: Amazon Kinesis Data Analytics has been renamed to Amazon Managed Service for Apache Flink. Read the announcement in the AWS News Blog and learn more. Amazon DynamoDB helps you capture high-velocity data such as clickstream data to form customized user profiles and Internet of Things (IoT) data so that you can develop […]

The following screenshot shows a pie chart for Sum_profit grouped by Nation.

Accessing and visualizing data from multiple data sources with Amazon Athena and Amazon QuickSight

Amazon Athena now supports federated query, a feature that allows you to query data in sources other than Amazon Simple Storage Service (Amazon S3). You can use federated queries in Athena to query the data in place or build pipelines that extract data from multiple data sources and store them in Amazon S3. With Athena […]

Multi-tenant processing pipelines with AWS DMS, AWS Step Functions, and Apache Hudi on Amazon EMR

Large enterprises often provide software offerings to multiple customers by providing each customer a dedicated and isolated environment (a software offering composed of multiple single-tenant environments). Because the data is in various independent systems, large enterprises are looking for ways to simplify data processing pipelines. To address this, you can create data lakes to bring […]

Let’s look at PyDeequ’s main components, and how they relate to Deequ (shown in the following diagram)

Testing data quality at scale with PyDeequ

June 2024: This post was reviewed and updated to add instructions for using PyDeequ with Amazon SageMaker Notebook, SageMaker Studio, EMR, and updated the examples against a new dataset. March 2023: You can now use AWS Glue Data Quality to measure and manage the quality of your data. AWS Glue Data Quality is built on Deequ […]

Running queries securely from the same VPC where an Amazon Redshift cluster is running

Customers who don’t need to set up a VPN or a private connection to AWS often use public endpoints to access AWS. Although this is acceptable for testing out the services, most production workloads need a secure connection to their VPC on AWS. If you’re running your production data warehouse on Amazon Redshift, you can […]

As illustrated in the following architecture diagram, the DQAF exclusively uses serverless AWS technology.

Building a serverless data quality and analysis framework with Deequ and AWS Glue

March 2023: You can now use AWS Glue Data Quality to measure and manage the quality of your data. AWS Glue Data Quality is built on DeeQu and it offers a simplified user experience for customers who want to this open-source package. Refer to the blog and documentation for additional details. With ever-increasing amounts of data […]

This blog covers use case based walkthroughs of how we can achieve the top 7 among those transformations in AWS Glue DataBrew.

7 most common data preparation transformations in AWS Glue DataBrew

For all analytics and ML modeling use cases, data analysts and data scientists spend a bulk of their time running data preparation tasks manually to get a clean and formatted data to meet their needs. We ran a survey among data scientists and data analysts to understand the most frequently used transformations in their data […]

Scheduling SQL queries on your Amazon Redshift data warehouse

Amazon Redshift is the most popular cloud data warehouse today, with tens of thousands of customers collectively processing over 2 exabytes of data on Amazon Redshift daily. Amazon Redshift is fully managed, scalable, secure, and integrates seamlessly with your data lake. In this post, we discuss how to set up and use the new query […]