Feature/collaborative hnsw search#15676

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krickert wants to merge 34 commits intoapache:mainfrom

ai-pipestream:feature/collaborative-hnsw-search

Commits on Feb 7, 2026

Allow dynamic HNSW search threshold updates for collaborative search
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Introduce CollaborativeKnnCollector and Manager to core
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Clarify visibility semantics and apply formatting
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Add CHANGES.txt entry for collaborative search
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Add High-K and High-Dimension test scenarios for collaborative search
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Commit missing CollaborativeKnnCollector and Manager
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Cleanup extraneous newlines in TestCollaborativeHnswSearch
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Remove extraneous newlines and fix indentation in TestCollaborativeHnswSearch
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Replace AtomicLong with AtomicInteger for global similarity threshold
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Add multi-segment collaborative pruning test for HNSW search
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Add multi-index performance tests for collaborative HNSW pruning
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Comprehensive multi-segment and multi-index collaborative tests
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Fix forbiddenApis by adding Locale.ROOT to String.format
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Mark multi-index collaborative tests as @Nightly
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Move testHighKPruning and testHighDimensionPruning to @Nightly
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Idiomatic Collaborative HNSW search with LongAccumulator and DocScoreEncoder
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Fix multi-index pruning bug and add recall measurement to tests
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Add definitive scaling and stress tests for collaborative search
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Cleanup and concurrent simulation for TestCollaborativeHnswSearch
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Accumulate floor score for high-recall pruning and add real-world segment sweep test
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Commits on Feb 17, 2026

Commits on Feb 19, 2026

Merge branch 'apache:main' into feature/collaborative-hnsw-search
krickert
authored