Removing the vec file extension from INDEX_STORE_HYBRID_NIO_EXTENSION…

…S, to ensure the no performance degradation for vector search via Lucene Engine. (#9528)

Signed-off-by: Navneet Verma <navneev@amazon.com>
(cherry picked from commit a4024e7)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -93,6 +93,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add support to use trace propagated from client ([#9506](https://github.com/opensearch-project/OpenSearch/pull/9506))
 - Separate request-based and settings-based concurrent segment search controls and introduce AggregatorFactory method to determine concurrent search support ([#9469](https://github.com/opensearch-project/OpenSearch/pull/9469))
 - Use non-concurrent path for sort request on timeseries index and field([#9562](https://github.com/opensearch-project/OpenSearch/pull/9562))
+- Removing the vec file extension from INDEX_STORE_HYBRID_NIO_EXTENSIONS, to ensure the no performance degradation for vector search via Lucene Engine.([#9528](https://github.com/opensearch-project/OpenSearch/pull/9528)))
 
 ### Deprecated
 

server/src/main/java/org/opensearch/index/IndexModule.java

@@ -223,7 +223,6 @@ public Iterator<Setting<?>> settings() {
             "tvd",
             "liv",
             "dii",
-            "vec",
             "vem"
         ),
         Function.identity(),