Amazon is launching RG instances for Amazon Redshift, powered by AWS Graviton processors. The new instance family provides up to 2.2x better performance for data warehouse workloads than RA3 while offering a 30% lower price per vCPU. RG instances include an integrated data lake query engine that runs SQL analyses on warehouse tables and data stored in Amazon S3. Redshift Spectrum previously charged $5 per terabyte processed for data lake queries, but those charges are removed because queries stay within the VPC boundary and use existing IAM roles. For Apache Iceberg, performance improves up to 2.4x versus RA3, and for Apache Parquet up to 1.5x. The engine is enabled by default on new clusters without application code changes. Existing RA3 clusters can migrate using Elastic Resize with 10–15 minutes downtime or Snapshot and Restore, with external tables, schemas, and query syntax preserved. RG instances are available now across multiple AWS regions and support On-Demand and Reserved pricing.
"Amazon is launching RG instances for Amazon Redshift, powered by AWS Graviton processors. The new instance family offers up to 2.2 times better performance for data warehouse workloads than the current RA3 instances, at a 30 percent lower price per vCPU. The RG instances feature an integrated data lake query engine that performs SQL analyses on both warehouse tables and data in Amazon S3."
"Until now, Redshift relied on Redshift Spectrum for data lake queries, which charged $5 per terabyte processed. With the new instances, those costs disappear entirely: queries remain within the VPC boundary and use existing IAM roles. For Apache Iceberg, the integrated engine delivers up to 2.4x performance improvement over RA3. For Apache Parquet, that improvement is up to 1.5 times."
"The query engine is enabled by default on new clusters, without requiring any changes to application code. Users can migrate existing RA3 clusters to RG instances in two ways: via Elastic Resize (an in-place migration with 10 to 15 minutes of downtime) or via Snapshot and Restore. Existing external tables, schemas, and query syntax, including existing Spectrum queries, remain fully intact."
"RG instances are available immediately in multiple AWS regions, including Europe (Frankfurt, Ireland, London, Paris, and Stockholm). Users can choose between On-Demand Instances with hourly billing and Reserved Instances for lower long-term costs."
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