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BEDROCK_MANAGED_KB.md

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Bedrock Managed Knowledge Base Support

Changes

  • Added template_managed.yml CloudFormation template for workshop managed KB setup
  • New workshop module demonstrating managed KB creation without vector store provisioning
  • Retrieval notebook updated with managedSearchConfiguration examples
  • AgenticRetrieveStream workshop section added for agentic retrieval pattern
  • Original VECTOR workshop modules and templates unchanged

Design

  • MANAGED available via separate template_managed.yml; original VECTOR template unchanged
  • Separate CFN template simplifies workshop setup (no OpenSearch/vector store needed)
  • Workshop flow: create managed KB → ingest documents → retrieve with managed search
  • AgenticRetrieveStream demonstrated as advanced retrieval option

API Shapes

  • KB Creation: Type: MANAGED + ManagedKnowledgeBaseConfiguration.EmbeddingModelType: MANAGED
  • Data Source: Type: MANAGED_KNOWLEDGE_BASE_CONNECTOR
  • Retrieval: managedSearchConfiguration (not vectorSearchConfiguration)
  • Agentic: AgenticRetrieveStream with foundationModelType: MANAGED, rerankingModelType: MANAGED

Configuration

Parameter Description Default
KnowledgeBaseType MANAGED or VECTOR (template selection) MANAGED
UseAgenticRetrieval Enable agentic retrieval in examples true

SDK Requirements

  • boto3 >= 1.43 for managed search and agentic retrieval
  • CloudFormation support for AWS::Bedrock::KnowledgeBase Type: MANAGED

Required IAM Permissions

{
  "Effect": "Allow",
  "Action": [
    "bedrock:Retrieve",
    "bedrock:AgenticRetrieve"
  ],
  "Resource": "arn:aws:bedrock:<region>:<account-id>:knowledge-base/<kb-id>"
}