AWS Big Data Blog

Category: Advanced (300)

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.

Announcing Spark Connect on Amazon EMR on EC2: Interactive PySpark anywhere

Announcing Spark Connect on Amazon EMR on EC2: Interactive PySpark anywhere

Amazon EMR on EC2 now supports Spark Connect, so you can develop and debug PySpark interactively from Amazon SageMaker Unified Studio Data Notebooks or your own IDE while Spark runs on your cluster. This post shows you how to get started from both a Data Notebook and a local IDE.

Scale down Kinesis Data Streams on-demand capacity with ODA warm throughput

Scale down Kinesis Data Streams on-demand capacity with ODA warm throughput

Amazon Kinesis Data Streams now supports scaling down ingest capacity for on-demand Advantage streams with warm throughput. Learn how the scale-down works, how to monitor stream behavior with Amazon CloudWatch, and best practices for releasing excess capacity after transient traffic bursts.

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.