Make indexing to hnsw index multi-threaded as default.

25 files changed, 261 insertions, 261 deletions

diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/document/HnswIndexParams.java b/config-model/src/main/java/com/yahoo/searchdefinition/document/HnswIndexParams.java
index f4f4cedd2aa..63817b04613 100644
--- a/config-model/src/main/java/com/yahoo/searchdefinition/document/HnswIndexParams.java
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/document/HnswIndexParams.java
@@ -72,6 +72,6 @@ public class HnswIndexParams {
     }
 
     public boolean multiThreadedIndexing() {
-        return multiThreadedIndexing.orElse(false);
+        return multiThreadedIndexing.orElse(true);
     }
 }
diff --git a/config-model/src/main/javacc/SDParser.jj b/config-model/src/main/javacc/SDParser.jj
index 68dafc5e578..ad359a6a943 100644
--- a/config-model/src/main/javacc/SDParser.jj
+++ b/config-model/src/main/javacc/SDParser.jj
@@ -1838,12 +1838,12 @@ void hnswIndex(IndexOperation index) :
 void hnswIndexBody(HnswIndexParams.Builder params) :
 {
     int num;
-    String str;
+    boolean bool;
 }
 {
     ( <MAXLINKSPERNODE> <COLON> num = integer() { params.setMaxLinksPerNode(num); }
       | <NEIGHBORSTOEXPLOREATINSERT> <COLON> num = integer() { params.setNeighborsToExploreAtInsert(num); }
-      | <MULTITHREADEDINDEXING> { params.setMultiThreadedIndexing(true); } )
+      | <MULTITHREADEDINDEXING> <COLON> bool = bool() { params.setMultiThreadedIndexing(bool); } )
 }
 
 /**
diff --git a/config-model/src/test/derived/advanced/attributes.cfg b/config-model/src/test/derived/advanced/attributes.cfg
index 7f0c2400b9a..7c2a8ac31ca 100644
--- a/config-model/src/test/derived/advanced/attributes.cfg
+++ b/config-model/src/test/derived/advanced/attributes.cfg
@@ -22,6 +22,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/array_of_struct_attribute/attributes.cfg b/config-model/src/test/derived/array_of_struct_attribute/attributes.cfg
index 807b514c8d6..f30970a148c 100644
--- a/config-model/src/test/derived/array_of_struct_attribute/attributes.cfg
+++ b/config-model/src/test/derived/array_of_struct_attribute/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "elem_array.weight"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -49,6 +49,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/attributeprefetch/attributes.cfg b/config-model/src/test/derived/attributeprefetch/attributes.cfg
index b872efa3db8..ec3156fdf29 100644
--- a/config-model/src/test/derived/attributeprefetch/attributes.cfg
+++ b/config-model/src/test/derived/attributeprefetch/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multibyte"
 attribute[].datatype INT8
 attribute[].collectiontype ARRAY
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wsbyte"
 attribute[].datatype INT8
 attribute[].collectiontype WEIGHTEDSET
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "singleint"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multiint"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wsint"
 attribute[].datatype INT32
 attribute[].collectiontype WEIGHTEDSET
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "singlelong"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multilong"
 attribute[].datatype INT64
 attribute[].collectiontype ARRAY
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wslong"
 attribute[].datatype INT64
 attribute[].collectiontype WEIGHTEDSET
@@ -238,9 +238,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "singlefloat"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -265,9 +265,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multifloat"
 attribute[].datatype FLOAT
 attribute[].collectiontype ARRAY
@@ -292,9 +292,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wsfloat"
 attribute[].datatype FLOAT
 attribute[].collectiontype WEIGHTEDSET
@@ -319,9 +319,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "singledouble"
 attribute[].datatype DOUBLE
 attribute[].collectiontype SINGLE
@@ -346,9 +346,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multidouble"
 attribute[].datatype DOUBLE
 attribute[].collectiontype ARRAY
@@ -373,9 +373,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wsdouble"
 attribute[].datatype DOUBLE
 attribute[].collectiontype WEIGHTEDSET
@@ -400,9 +400,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "singlestring"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -427,9 +427,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "multistring"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -454,9 +454,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "wsstring"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -481,6 +481,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/attributes/attributes.cfg b/config-model/src/test/derived/attributes/attributes.cfg
index 750749de45c..a6163a5e202 100644
--- a/config-model/src/test/derived/attributes/attributes.cfg
+++ b/config-model/src/test/derived/attributes/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a2"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a3"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a5"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a6"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b1"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b2"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b3"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b4"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -238,9 +238,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b5"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -265,9 +265,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b6"
 attribute[].datatype INT64
 attribute[].collectiontype ARRAY
@@ -292,9 +292,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b7"
 attribute[].datatype DOUBLE
 attribute[].collectiontype WEIGHTEDSET
@@ -319,9 +319,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a9"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -346,9 +346,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a10"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -373,9 +373,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a11"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -400,9 +400,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a12"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -427,9 +427,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a7_arr"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -454,9 +454,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "a8_arr"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -481,6 +481,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/complex/attributes.cfg b/config-model/src/test/derived/complex/attributes.cfg
index f1449cf52be..1ccd6a95fd6 100644
--- a/config-model/src/test/derived/complex/attributes.cfg
+++ b/config-model/src/test/derived/complex/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "fleeting"
 attribute[].datatype FLOAT
 attribute[].collectiontype ARRAY
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "fleeting2"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "foundat"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "collapseby"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "ts"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "combineda"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "year_arr"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "year_sub"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -238,6 +238,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/hnsw_index/attributes.cfg b/config-model/src/test/derived/hnsw_index/attributes.cfg
index c356fcb37ce..ace0434495b 100644
--- a/config-model/src/test/derived/hnsw_index/attributes.cfg
+++ b/config-model/src/test/derived/hnsw_index/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric ANGULAR
 attribute[].index.hnsw.enabled true
 attribute[].index.hnsw.maxlinkspernode 32
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 300
-attribute[].index.hnsw.multithreadedindexing true
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing false
 attribute[].name "t2"
 attribute[].datatype TENSOR
 attribute[].collectiontype SINGLE
@@ -49,6 +49,6 @@ attribute[].imported false
 attribute[].distancemetric GEODEGREES
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/hnsw_index/test.sd b/config-model/src/test/derived/hnsw_index/test.sd
index 373624c9e7b..395a852ec28 100644
--- a/config-model/src/test/derived/hnsw_index/test.sd
+++ b/config-model/src/test/derived/hnsw_index/test.sd
@@ -9,7 +9,7 @@ search test {
         hnsw {
           max-links-per-node: 32
           neighbors-to-explore-at-insert: 300
-          multi-threaded-indexing
+          multi-threaded-indexing: false
         }
       }
     }
diff --git a/config-model/src/test/derived/imported_position_field/attributes.cfg b/config-model/src/test/derived/imported_position_field/attributes.cfg
index 75184c66789..f155d9c4ffe 100644
--- a/config-model/src/test/derived/imported_position_field/attributes.cfg
+++ b/config-model/src/test/derived/imported_position_field/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_pos_zcurve"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -49,6 +49,6 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/imported_struct_fields/attributes.cfg b/config-model/src/test/derived/imported_struct_fields/attributes.cfg
index 6256f98d05f..52c117f9347 100644
--- a/config-model/src/test/derived/imported_struct_fields/attributes.cfg
+++ b/config-model/src/test/derived/imported_struct_fields/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_elem_array.name"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_elem_array.weight"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_elem_map.key"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_elem_map.value.name"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_elem_map.value.weight"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -157,9 +157,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_str_int_map.key"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_str_int_map.value"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -211,6 +211,6 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/importedfields/attributes.cfg b/config-model/src/test/derived/importedfields/attributes.cfg
index 87a841a95e0..aa67d00225b 100644
--- a/config-model/src/test/derived/importedfields/attributes.cfg
+++ b/config-model/src/test/derived/importedfields/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b_ref"
 attribute[].datatype REFERENCE
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "b_ref_with_summary"
 attribute[].datatype REFERENCE
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_int_field"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_string_field"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_int_array_field"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -157,9 +157,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_int_wset_field"
 attribute[].datatype INT32
 attribute[].collectiontype WEIGHTEDSET
@@ -184,9 +184,9 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "my_ancient_int_field"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -211,6 +211,6 @@ attribute[].imported true
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/inheritance/attributes.cfg b/config-model/src/test/derived/inheritance/attributes.cfg
index f5ced387e8e..9e0469f2d06 100644
--- a/config-model/src/test/derived/inheritance/attributes.cfg
+++ b/config-model/src/test/derived/inheritance/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "overridden"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "onlymother"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -76,6 +76,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/inheritfromparent/attributes.cfg b/config-model/src/test/derived/inheritfromparent/attributes.cfg
index 26b0f77417a..9e4484b01b6 100644
--- a/config-model/src/test/derived/inheritfromparent/attributes.cfg
+++ b/config-model/src/test/derived/inheritfromparent/attributes.cfg
@@ -22,6 +22,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/map_attribute/attributes.cfg b/config-model/src/test/derived/map_attribute/attributes.cfg
index 7f224ff0c6a..b8bd0ecd5f7 100644
--- a/config-model/src/test/derived/map_attribute/attributes.cfg
+++ b/config-model/src/test/derived/map_attribute/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "str_map.value"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "int_map.key"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -76,6 +76,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/map_of_struct_attribute/attributes.cfg b/config-model/src/test/derived/map_of_struct_attribute/attributes.cfg
index f08fd4e8907..fe129c85d00 100644
--- a/config-model/src/test/derived/map_of_struct_attribute/attributes.cfg
+++ b/config-model/src/test/derived/map_of_struct_attribute/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "str_elem_map.value.name"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "str_elem_map.value.weight"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "int_elem_map.key"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "int_elem_map.value.name"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -130,6 +130,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/music/attributes.cfg b/config-model/src/test/derived/music/attributes.cfg
index d33313c30eb..811b78852cb 100644
--- a/config-model/src/test/derived/music/attributes.cfg
+++ b/config-model/src/test/derived/music/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "pto"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "mid"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "weight"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "bgnpfrom"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "newestedition"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "year"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "did"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "cbid"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -238,9 +238,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "hiphopvalue_arr"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -265,9 +265,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "metalvalue_arr"
 attribute[].datatype STRING
 attribute[].collectiontype ARRAY
@@ -292,6 +292,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/newrank/attributes.cfg b/config-model/src/test/derived/newrank/attributes.cfg
index ae3a33e49c3..12ff315afa1 100644
--- a/config-model/src/test/derived/newrank/attributes.cfg
+++ b/config-model/src/test/derived/newrank/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "pto"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "mid"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "weight"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "bgnpfrom"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "newestedition"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "year"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "did"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "scorekey"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -238,9 +238,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "cbid"
 attribute[].datatype INT32
 attribute[].collectiontype SINGLE
@@ -265,6 +265,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/predicate_attribute/attributes.cfg b/config-model/src/test/derived/predicate_attribute/attributes.cfg
index b70804ed36d..e249a9246bc 100644
--- a/config-model/src/test/derived/predicate_attribute/attributes.cfg
+++ b/config-model/src/test/derived/predicate_attribute/attributes.cfg
@@ -22,6 +22,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/prefixexactattribute/attributes.cfg b/config-model/src/test/derived/prefixexactattribute/attributes.cfg
index 5e9930317cd..b6497035860 100644
--- a/config-model/src/test/derived/prefixexactattribute/attributes.cfg
+++ b/config-model/src/test/derived/prefixexactattribute/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "attributefield2"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -49,6 +49,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/reference_fields/attributes.cfg b/config-model/src/test/derived/reference_fields/attributes.cfg
index 6bc8f93a4d4..64aaf156be6 100644
--- a/config-model/src/test/derived/reference_fields/attributes.cfg
+++ b/config-model/src/test/derived/reference_fields/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "other_ref"
 attribute[].datatype REFERENCE
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "yet_another_ref"
 attribute[].datatype REFERENCE
 attribute[].collectiontype SINGLE
@@ -76,6 +76,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/sorting/attributes.cfg b/config-model/src/test/derived/sorting/attributes.cfg
index a957e1ae4dd..63630052a75 100644
--- a/config-model/src/test/derived/sorting/attributes.cfg
+++ b/config-model/src/test/derived/sorting/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "syntaxcheck2"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "infieldonly"
 attribute[].datatype STRING
 attribute[].collectiontype SINGLE
@@ -76,6 +76,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/tensor/attributes.cfg b/config-model/src/test/derived/tensor/attributes.cfg
index 38d25a0faf0..74796a5b0b3 100644
--- a/config-model/src/test/derived/tensor/attributes.cfg
+++ b/config-model/src/test/derived/tensor/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "f3"
 attribute[].datatype TENSOR
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "f4"
 attribute[].datatype TENSOR
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "f5"
 attribute[].datatype TENSOR
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "f6"
 attribute[].datatype FLOAT
 attribute[].collectiontype SINGLE
@@ -130,6 +130,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/derived/types/attributes.cfg b/config-model/src/test/derived/types/attributes.cfg
index 536a2acba73..a0e8ffb1ad5 100644
--- a/config-model/src/test/derived/types/attributes.cfg
+++ b/config-model/src/test/derived/types/attributes.cfg
@@ -22,9 +22,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "along"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -49,9 +49,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "abool"
 attribute[].datatype BOOL
 attribute[].collectiontype SINGLE
@@ -76,9 +76,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "ashortfloat"
 attribute[].datatype FLOAT16
 attribute[].collectiontype SINGLE
@@ -103,9 +103,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "arrayfield"
 attribute[].datatype INT32
 attribute[].collectiontype ARRAY
@@ -130,9 +130,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "setfield"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -157,9 +157,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "setfield2"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -184,9 +184,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "setfield3"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -211,9 +211,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "setfield4"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -238,9 +238,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "tagfield"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -265,9 +265,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "juletre"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -292,9 +292,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "album1"
 attribute[].datatype STRING
 attribute[].collectiontype WEIGHTEDSET
@@ -319,9 +319,9 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
 attribute[].name "other"
 attribute[].datatype INT64
 attribute[].collectiontype SINGLE
@@ -346,6 +346,6 @@ attribute[].imported false
 attribute[].distancemetric EUCLIDEAN
 attribute[].index.hnsw.enabled false
 attribute[].index.hnsw.maxlinkspernode 16
-attribute[].index.hnsw.distancemetric EUCLIDEAN
 attribute[].index.hnsw.neighborstoexploreatinsert 200
-attribute[].index.hnsw.multithreadedindexing false
+attribute[].index.hnsw.distancemetric EUCLIDEAN
+attribute[].index.hnsw.multithreadedindexing true
diff --git a/config-model/src/test/java/com/yahoo/searchdefinition/document/HnswIndexParamsTestCase.java b/config-model/src/test/java/com/yahoo/searchdefinition/document/HnswIndexParamsTestCase.java
index 44379d25012..31f12e77e4a 100644
--- a/config-model/src/test/java/com/yahoo/searchdefinition/document/HnswIndexParamsTestCase.java
+++ b/config-model/src/test/java/com/yahoo/searchdefinition/document/HnswIndexParamsTestCase.java
@@ -28,7 +28,7 @@ public class HnswIndexParamsTestCase {
 
         assertThat(empty.maxLinksPerNode(), is(16));
         assertThat(empty.neighborsToExploreAtInsert(), is(200));
-        assertThat(empty.multiThreadedIndexing(), is(false));
+        assertThat(empty.multiThreadedIndexing(), is(true));
 
         assertThat(one.maxLinksPerNode(), is(7));
         assertThat(one.multiThreadedIndexing(), is(false));