Change defaults for remote store and snapshot settings

Signed-off-by: Ashish Singh <[email protected]>

Author: ashking94

server/src/main/java/org/opensearch/indices/RemoteStoreSettings.java

@@ -75,7 +75,7 @@ public class RemoteStoreSettings {
     @ExperimentalApi
     public static final Setting<RemoteStoreEnums.PathType> CLUSTER_REMOTE_STORE_PATH_TYPE_SETTING = new Setting<>(
         "cluster.remote_store.index.path.type",
-        RemoteStoreEnums.PathType.FIXED.toString(),
+        RemoteStoreEnums.PathType.HASHED_PREFIX.toString(),
         RemoteStoreEnums.PathType::parseString,
         Property.NodeScope,
         Property.Dynamic
@@ -139,7 +139,7 @@ public class RemoteStoreSettings {
      */
     public static final Setting<Boolean> CLUSTER_REMOTE_STORE_PINNED_TIMESTAMP_ENABLED = Setting.boolSetting(
         "cluster.remote_store.pinned_timestamps.enabled",
-        false,
+        true,
         Setting.Property.NodeScope
     );
 

server/src/main/java/org/opensearch/repositories/blobstore/BlobStoreRepository.java

@@ -412,7 +412,7 @@ protected static long calculateMaxWithinIntLimit(long defaultThresholdOfHeap, lo
      */
     public static final Setting<Boolean> PREFIX_MODE_VERIFICATION_SETTING = Setting.boolSetting(
         "prefix_mode_verification",
-        false,
+        true,
         Setting.Property.NodeScope
     );