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docs: add cluster-stats-optimization report for v2.16.0#2425

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tkykenmt merged 1 commit intomainfrom
docs/cluster-stats-optimization-v2.16.0
Jan 15, 2026
Merged

docs: add cluster-stats-optimization report for v2.16.0#2425
tkykenmt merged 1 commit intomainfrom
docs/cluster-stats-optimization-v2.16.0

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Summary

Adds documentation for the Cluster Stats Optimization feature introduced in OpenSearch v2.16.0.

Changes

  • Created release report: docs/releases/v2.16.0/features/opensearch/cluster-stats-optimization.md
  • Updated feature report: docs/features/opensearch/opensearch-cluster-stats-api.md (added v2.16.0 to Change History)
  • Updated release index: docs/releases/v2.16.0/index.md

Key Points

  • Pre-computes shard statistics at node level before sending to coordinator
  • Reduces coordinator overhead by up to 74% in large clusters
  • Transparent to API consumers - response format unchanged

Related

@tkykenmt tkykenmt merged commit e99a4c3 into main Jan 15, 2026
@tkykenmt tkykenmt deleted the docs/cluster-stats-optimization-v2.16.0 branch January 15, 2026 12:52
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[feature] Cluster Stats Optimization

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