[8.6] MOD-10798, MOD-14094: Support K Ratio argument in FT.HYBRID vector query (#8227)#8399
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(cherry picked from commit d7ac7d3)
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## 8.6 #8399 +/- ##
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+ Coverage 83.82% 83.84% +0.02%
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Files 367 367
Lines 55576 55625 +49
Branches 14319 14319
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+ Hits 46585 46640 +55
+ Misses 8830 8824 -6
Partials 161 161
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nafraf
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oshadmi
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Feb 17, 2026
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Description
Manual backport #8227 to 8.6
(cherry picked from commit d7ac7d3)
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Release Notes
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Note
Medium Risk
Touches hybrid query parsing and distributed command construction, which can change result/performance characteristics in cluster mode; mitigated by strict validation and new unit/integration tests.
Overview
FT.HYBRIDKNN queries now accept an optionalSHARD_K_RATIOparameter (since 8.6.1) to reduce per-shard work in cluster mode by lowering the per-shardKused for the distributed VSIM subquery while keeping the user-requestedKat the coordinator.Parsing/validation was added for
SHARD_K_RATIO(range(0,1], duplicate detection) and the coordinator now safely passesnumShardsinto background execution to compute and apply an effective K when building the shard MR command. Tests were added/expanded (C++ + Python) to cover correctness, error cases, and per-shard profile behavior; duplicateYIELD_SCORE_AShandling was tightened to return a duplicate-parameter error.Written by Cursor Bugbot for commit fa7ec23. This will update automatically on new commits. Configure here.