Amazon OpenSearch Serverless now supports Derived Source for storage optimization

Opensearch Service ยท 2026-04-13

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Technical Details

Regions all
Cost Impact Decrease
IaC Impact High

What This Means

For DevOps Teams

Update OpenSearch Serverless index mappings to enable Derived Source for storage optimization, which dynamically derives source fields on-the-fly, reducing storage consumption and operational toil for managing large log and time-series datasets.

For Platform Teams

Adopt Derived Source in OpenSearch Serverless to simplify architecture and reduce storage costs by eliminating the need to store redundant source fields, leading to measurable time and cost savings for managing large-scale analytics workloads.

For Executives

Evaluate enabling Derived Source in OpenSearch Serverless to achieve significant storage cost savings, particularly for time-series and log analytics collections, by dynamically deriving source fields instead of storing them, leading to measurable reduction in storage consumption and operational costs.

Source

View original AWS announcement โ†’

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