Use 95 codec for reading and writing the documents with Updated Lucen…

…e Codec

Signed-off-by: Navneet Verma <navneev@amazon.com>

src/main/java/org/opensearch/knn/index/codec/KNN950Codec/KNN950Codec.java

@@ -11,6 +11,8 @@
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.FilterCodec;
 import org.apache.lucene.codecs.KnnVectorsFormat;
+import org.apache.lucene.codecs.SegmentInfoFormat;
+import org.apache.lucene.codecs.lucene99.Lucene99SegmentInfoFormat;
 import org.apache.lucene.codecs.perfield.PerFieldKnnVectorsFormat;
 import org.opensearch.knn.index.codec.KNNCodecVersion;
 import org.opensearch.knn.index.codec.KNNFormatFacade;
@@ -20,6 +22,8 @@ public class KNN950Codec extends FilterCodec {
     private final KNNFormatFacade knnFormatFacade;
     private final PerFieldKnnVectorsFormat perFieldKnnVectorsFormat;
 
+    private final SegmentInfoFormat segmentInfoFormat = new Lucene99SegmentInfoFormat();
+
     /**
      * No arg constructor that uses Lucene95 as the delegate
      */
@@ -55,4 +59,9 @@ public CompoundFormat compoundFormat() {
     public KnnVectorsFormat knnVectorsFormat() {
         return perFieldKnnVectorsFormat;
     }
+
+    @Override
+    public SegmentInfoFormat segmentInfoFormat() {
+        return segmentInfoFormat;
+    }
 }

src/main/java/org/opensearch/knn/index/codec/KNNCodecVersion.java

@@ -112,7 +112,7 @@ public enum KNNCodecVersion {
         KNN990Codec::new
     );
 
-    private static final KNNCodecVersion CURRENT = V_9_9_0;
+    private static final KNNCodecVersion CURRENT = V_9_5_0;
 
     private final String codecName;
     private final Codec defaultCodecDelegate;