Amazon OpenSearch Serverless now supports Zstandard (zstd) codec for index compression

Opensearch Service ยท 2026-04-09

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Technical Details

Regions all
Cost Impact Decrease
IaC Impact High

What This Means

For DevOps Teams

Configure Zstandard compression in your OpenSearch Serverless index settings to balance storage savings with indexing throughput and query latency, optimizing performance and cost for your specific needs.

For Platform Teams

Integrate Zstandard codec support in your OpenSearch Serverless architecture to simplify storage efficiency, reduce operational toil, and lower costs for data-intensive workloads.

For Executives

Evaluate adopting Zstandard codec in Amazon OpenSearch Serverless to achieve up to 32% reduction in index size, lowering managed storage costs for large-scale log analytics, observability pipelines, and time-series workloads, and enhancing cost optimization efforts.

Source

View original AWS announcement โ†’

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