Amazon OpenSearch Serverless now supports kNN Byte vector and new data types

Amazon OpenSearch Serverless has introduced several new features to enhance search and analytics capabilities:

• kNN Byte vector support, reducing memory and storage requirements
• Radial search capabilities for Vector collections
• New data types including:
  • Wildcard field type
  • Strict allow templates
  • Kuromoji completion analyzer
• Nested fields for storing multiple vectors in a single document

These enhancements improve performance, reduce costs, and provide greater flexibility in managing search operations without complex infrastructure management.