Apply suggestions from code review

benwtrent · web-flow · commit b771b375221c · 2025-07-03T12:23:40.000-04:00
diff --git a/server/src/main/java/org/elasticsearch/index/codec/vectors/DefaultIVFVectorsReader.java b/server/src/main/java/org/elasticsearch/index/codec/vectors/DefaultIVFVectorsReader.java
@@ -212,7 +212,7 @@ private static class MemorySegmentPostingsVisitor implements PostingVisitor {
             quantizedQueryScratch = new byte[QUERY_BITS * discretizedDimensions / 8];
             quantizedByteLength = discretizedDimensions / 8 + (Float.BYTES * 3) + Short.BYTES;
             quantizedVectorByteSize = (discretizedDimensions / 8);
-            quantizer = new OptimizedScalarQuantizer(fieldInfo.getVectorSimilarityFunction(), DEFAULT_LAMBDA, 2);
+            quantizer = new OptimizedScalarQuantizer(fieldInfo.getVectorSimilarityFunction(), DEFAULT_LAMBDA, 1);
             osqVectorsScorer = ESVectorUtil.getES91OSQVectorsScorer(indexInput, fieldInfo.getVectorDimension());
         }
 

Original file line number	Diff line number	Diff line change
`@@ -212,7 +212,7 @@ private static class MemorySegmentPostingsVisitor implements PostingVisitor {`
`212`	`212`	`quantizedQueryScratch = new byte[QUERY_BITS * discretizedDimensions / 8];`
`213`	`213`	`quantizedByteLength = discretizedDimensions / 8 + (Float.BYTES * 3) + Short.BYTES;`
`214`	`214`	`quantizedVectorByteSize = (discretizedDimensions / 8);`
`215`		`- quantizer = new OptimizedScalarQuantizer(fieldInfo.getVectorSimilarityFunction(), DEFAULT_LAMBDA, 2);`
	`215`	`+ quantizer = new OptimizedScalarQuantizer(fieldInfo.getVectorSimilarityFunction(), DEFAULT_LAMBDA, 1);`
`216`	`216`	`osqVectorsScorer = ESVectorUtil.getES91OSQVectorsScorer(indexInput, fieldInfo.getVectorDimension());`
`217`	`217`	`}`
`218`	`218`