AWS Big Data Blog

Category: Amazon Redshift

Resolving concurrent write conflicts for Apache Iceberg tables in Amazon Redshift

Resolving concurrent write conflicts for Apache Iceberg tables in Amazon Redshift

Amazon Redshift now automatically resolves many concurrent writes to Apache Iceberg tables that don’t actually overlap, committing changes that previously failed and had to retry. Learn why these writes conflict, how the engine rebases non-overlapping ones across operation, partition, and file checks, and the throughput gains it delivers.

Materialize once, query anywhere: Introducing Iceberg materialized views in Amazon Redshift

Materialize once, query anywhere: Introducing Iceberg materialized views in Amazon Redshift

Amazon Redshift now supports Iceberg materialized views. Compute an aggregation once in Amazon Redshift and store the result as a standard Apache Iceberg table in Amazon S3, queryable by Amazon Athena, Apache Spark, Amazon SageMaker, and AWS Glue. This post covers use cases, incremental refresh, and a step-by-step getting-started guide.

Run an automated operational review with the Amazon Redshift MCP server

Run an automated operational review with the Amazon Redshift MCP server

Amazon Redshift automates much of its own tuning, but periodic operational reviews still pay off. Learn how the review_cluster tool in the open-source Amazon Redshift MCP server runs a full cluster diagnostic from one natural-language request, evaluating 12 diagnostic areas and returning prioritized, documentation-linked recommendations in minutes.

Getting started with Apache Iceberg write support in Amazon Redshift – Part 3

Getting started with Apache Iceberg write support in Amazon Redshift – Part 3

Amazon Redshift now supports evolving Apache Iceberg table schemas and partition layouts through ALTER statements, with no data rewrites or pipeline rebuilds. In this final post of the series, you rename, add, drop, and widen columns, evolve partitions, and create AWS Lake Formation resource links for governed cross-engine access to Amazon S3 Tables.

Integrate Amazon Redshift and IAM Identity Center with enhanced VPC routing

Integrate Amazon Redshift and IAM Identity Center with enhanced VPC routing

Amazon Redshift now supports AWS IAM Identity Center authentication on clusters and workgroups that use enhanced VPC routing. Create two interface VPC endpoints to give your users single sign-on with their corporate credentials while keeping all authentication traffic on the AWS private network.

Razor Group’s journey to a modern data lakehouse on AWS

Razor Group’s journey to a modern data lakehouse on AWS

Razor Group, one of Europe’s leading ecommerce aggregators managing 250+ brands, migrated from always-on Amazon Redshift clusters to an open lakehouse on Apache Iceberg, Amazon S3 Tables, and Apache Spark. Learn the architectural decisions, the five-phase migration, and the results: 65% faster P95 queries and a 63% infrastructure cost reduction.