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docs: add Lucene 10 Upgrade report for v3.0.0#295

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tkykenmt merged 1 commit into
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docs/lucene-10-upgrade-v3.0.0
Jan 8, 2026
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docs: add Lucene 10 Upgrade report for v3.0.0#295
tkykenmt merged 1 commit into
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docs/lucene-10-upgrade-v3.0.0

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@tkykenmt tkykenmt commented Jan 8, 2026

Summary

This PR adds documentation for the Lucene 10 Upgrade feature in OpenSearch v3.0.0.

Reports Created

  • Release report: docs/releases/v3.0.0/features/opensearch/lucene-10-upgrade.md
  • Feature report: docs/features/opensearch/lucene-10-upgrade.md

Key Changes in v3.0.0

  • Upgraded from Apache Lucene 9.12.1 to Lucene 10.1.0
  • Minimum JDK requirement changed from 11 to 21
  • I/O parallelism improvements with async data fetching API
  • Search parallelism via logical segment partitioning
  • Sparse indexing for query optimization
  • Enhanced k-NN/vector search performance

Resources Used

Closes #123

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