Merge pull request #29957 from vespa-engine/balder/avoid-hash-table-resizev8.289.21

Allocate a larger hashtable to avoid expensive resize and associated …

1 files changed, 1 insertions, 1 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/tensor/functions/Reduce.java b/vespajlib/src/main/java/com/yahoo/tensor/functions/Reduce.java
index 4b60af99ecb..5327457a438 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/functions/Reduce.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/functions/Reduce.java
@@ -144,7 +144,7 @@ public class Reduce<NAMETYPE extends Name> extends PrimitiveTensorFunction<NAMET
     }
 
     private static TensorAddress reduceDimensions(TensorAddress address, TensorType argumentType, TensorType reducedType, List<String> dimensions) {
-        Set<Integer> indexesToRemove = new HashSet<>();
+        Set<Integer> indexesToRemove = new HashSet<>(dimensions.size()*2);
         for (String dimensionToRemove : dimensions)
             indexesToRemove.add(argumentType.indexOfDimension(dimensionToRemove).get());