AWS Big Data Blog

Category: Technical How-to

Configure domain-level VPC networking in Amazon SageMaker Unified Studio

Configure domain-level VPC networking in Amazon SageMaker Unified Studio

Configuring VPC networking per project across a SageMaker Unified Studio domain creates inconsistent, hard-to-audit networks. This post shows administrators how to configure domain-level VPC networking once, so every new project automatically inherits consistent, private network isolation, then update existing projects and validate connectivity.

How to migrate from Amazon CloudSearch to Amazon OpenSearch Serverless

How to migrate from Amazon CloudSearch to Amazon OpenSearch Serverless

Learn how to migrate an Amazon CloudSearch domain to Amazon OpenSearch Serverless: assess your configuration, create a collection with explicit index mappings, convert your documents and queries to the OpenSearch query DSL, configure security, load data with Amazon OpenSearch Ingestion, and validate before cutover.

Accelerating Spark queries with Iceberg materialized views

Accelerating Spark queries with Iceberg materialized views

Accelerate slow, repetitive Apache Spark analytical queries on Apache Iceberg tables without rewriting any SQL. This post shows how automatic query rewrite in Amazon EMR and AWS Glue uses Iceberg materialized views in the AWS Glue Data Catalog to transparently substitute matching query plans, and how to design materialized views for the best speedup.

From silos to insights: Federated data access patterns for AI agents

From silos to insights: Federated data access patterns for AI agents

AI agents can reach enterprise data where it lives instead of routing every question through data engineers. This post presents three reference patterns for federated data access using Model Context Protocol (MCP) servers and Amazon Bedrock AgentCore: catalog-first, direct source, and hybrid access.

Network connectivity patterns for the next generation of Amazon OpenSearch Serverless

Network connectivity patterns for the next generation of Amazon OpenSearch Serverless

The next generation of Amazon OpenSearch Serverless uses standard AWS PrivateLink endpoints on the on.aws domain. This post shows nine connectivity patterns for private access, from a single VPC to multiple VPCs, cross-account, on-premises, and cross-Region, with the DNS resolution and data path for each.

Query Amazon S3 Tables from Amazon EMR Trino using the Iceberg REST endpoint

Query Amazon S3 Tables from Amazon EMR Trino using the Iceberg REST endpoint

Learn how to query Amazon S3 Tables from Trino on Amazon EMR using the Apache Iceberg REST catalog endpoint. This post shows how to deploy the integration with AWS CloudFormation, configure the Trino catalog, and run SQL to create, query, and manage Apache Iceberg tables.

Building medallion architecture with Iceberg materialized views in Amazon SageMaker

Building medallion architecture with Iceberg materialized views in Amazon SageMaker

With Apache Iceberg materialized views in Amazon SageMaker, you can build a Bronze, Silver, and Gold medallion architecture as three SQL statements. This declarative approach folds transformation, orchestration, and incremental processing into per-layer definitions, with no ETL jobs, orchestrators, or change-data-capture code to maintain.