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Amazon OpenSearch Serverless now supports Derived Source for storage optimization

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This article announces Derived Source support in Amazon OpenSearch Serverless, enabling storage optimization by reconstructing source fields dynamically.

  • Derived Source reconstructs _source field on-the-fly from indexed values
  • Eliminates need to store separate copy of original documents
  • Significantly reduces storage for time-series and log analytics collections
  • Enable at index level when creating or updating index mappings
  • Available in all AWS Regions supporting Amazon OpenSearch Serverless

Derived Source provides a storage-efficient solution for OpenSearch Serverless users managing large volumes of indexed data.

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