Change index.mapping.use_doc_values_skipper default setting to true

server/src/main/java/org/elasticsearch/index/IndexSettings.java

@@ -671,7 +671,7 @@ public boolean isES87TSDBCodecEnabled() {
     public static final boolean DOC_VALUES_SKIPPER = new FeatureFlag("doc_values_skipper").isEnabled();
     public static final Setting<Boolean> USE_DOC_VALUES_SKIPPER = Setting.boolSetting(
         "index.mapping.use_doc_values_skipper",
-        false,
+        true,
         Property.IndexScope,
         Property.Final
     );

server/src/main/java/org/elasticsearch/index/IndexVersions.java

@@ -191,6 +191,8 @@ private static Version parseUnchecked(String version) {
     public static final IndexVersion UPGRADE_TO_LUCENE_10_3_1 = def(9_041_0_00, Version.LUCENE_10_3_1);
 
     public static final IndexVersion REENABLED_TIMESTAMP_DOC_VALUES_SPARSE_INDEX = def(9_042_0_00, Version.LUCENE_10_3_1);
+    public static final IndexVersion REENABLED_HOSTNAME_DOC_VALUES_SPARSE_INDEX = def(9_043_0_00, Version.LUCENE_10_3_1);
+    public static final IndexVersion REENABLED_TIME_SERIES_ID_DOC_VALUES_SPARSE_INDEX = def(9_044_0_00, Version.LUCENE_10_3_1);
 
     /*
      * STOP! READ THIS FIRST! No, really,

server/src/main/java/org/elasticsearch/index/mapper/DateFieldMapper.java

@@ -1109,7 +1109,6 @@ private DateFieldMapper(
      * @param fullFieldName  The full name of the field being checked, expected to be {@code @timestamp}.
      * @return {@code true} if the doc values skipper should be used, {@code false} otherwise.
      */
-
     private static boolean shouldUseDocValuesSkipper(IndexSettings indexSettings, boolean hasDocValues, final String fullFieldName) {
         return indexSettings.getIndexVersionCreated().onOrAfter(IndexVersions.REENABLED_TIMESTAMP_DOC_VALUES_SPARSE_INDEX)
             && indexSettings.useDocValuesSkipper()

server/src/main/java/org/elasticsearch/index/mapper/KeywordFieldMapper.java

@@ -515,7 +515,7 @@ private static FieldType resolveFieldType(
                     assert hasDocValues.getValue();
                     return new FieldType(Defaults.FIELD_TYPE_WITH_SKIP_DOC_VALUES);
                 }
-                if (indexCreatedVersion.onOrAfter(IndexVersions.HOSTNAME_DOC_VALUES_SPARSE_INDEX)
+                if (indexCreatedVersion.onOrAfter(IndexVersions.REENABLED_HOSTNAME_DOC_VALUES_SPARSE_INDEX)
                     && shouldUseDocValuesSkipper(hasDocValues.getValue(), indexSortConfig, indexMode, fullFieldName)) {
                     return new FieldType(Defaults.FIELD_TYPE_WITH_SKIP_DOC_VALUES);
                 }

server/src/main/java/org/elasticsearch/index/mapper/TimeSeriesIdFieldMapper.java

@@ -60,7 +60,7 @@ public static TimeSeriesIdFieldMapper getInstance(boolean useDocValuesSkipper) {
     }
 
     public static TimeSeriesIdFieldMapper getInstance(MappingParserContext context) {
-        boolean useDocValuesSkipper = context.indexVersionCreated().onOrAfter(IndexVersions.TIME_SERIES_ID_DOC_VALUES_SPARSE_INDEX)
+        boolean useDocValuesSkipper = context.indexVersionCreated().onOrAfter(IndexVersions.REENABLED_TIMESTAMP_DOC_VALUES_SPARSE_INDEX)
             && context.getIndexSettings().useDocValuesSkipper();
         return TimeSeriesIdFieldMapper.getInstance(useDocValuesSkipper);
     }