diff --git a/src/main/java/org/gcube/data/access/storagehub/handlers/items/ItemHandler.java b/src/main/java/org/gcube/data/access/storagehub/handlers/items/ItemHandler.java
index 9b1c82d..8ccac16 100644
--- a/src/main/java/org/gcube/data/access/storagehub/handlers/items/ItemHandler.java
+++ b/src/main/java/org/gcube/data/access/storagehub/handlers/items/ItemHandler.java
@@ -141,7 +141,7 @@ public class ItemHandler {
 	}
 
 	private Node create(FileCreationParameters params, Node destination) throws Exception{
-		Node newNode = createFileItemInternally(params.getSession(), destination,  params.getStream(), params.getName(), params.getDescription(), params.getUser(), true);
+		Node newNode = createFileItemInternally(params.getSession(), destination,  params.getStream(), params.getName(), params.getDescription(), params.getUser(), true, false);
 		params.getSession().save();
 		versionHandler.checkinContentNode(newNode);
 		log.info("file with id {} correctly created",newNode.getIdentifier());
@@ -190,13 +190,13 @@ public class ItemHandler {
 						log.debug("creating file with entire path {}, name {}, parentPath {} ", entirePath, name, parentPath);
 						Node fileNode = null;
 						if (parentPath.isEmpty())
-							fileNode = createFileItemInternally(params.getSession(), parentDirectoryNode, input, name, "", params.getUser(), false);
+							fileNode = createFileItemInternally(params.getSession(), parentDirectoryNode, input, name, "", params.getUser(), false, true);
 						else { 
 							Node parentNode = directoryNodeMap.get(parentPath);
 							if (parentNode ==null)
 								parentNode = createPath(parentPath, directoryNodeMap, parentDirectoryNode, params.getSession(), params.getUser());
 
-							fileNode = createFileItemInternally(params.getSession(), parentNode, input, name, "", params.getUser(), false);
+							fileNode = createFileItemInternally(params.getSession(), parentNode, input, name, "", params.getUser(), false, true);
 						}
 						fileNodes.add(fileNode);
 					}catch(Exception e) {
@@ -246,7 +246,7 @@ public class ItemHandler {
 		return newNode;
 	}
 
-	private Node createFileItemInternally(Session ses, Node destinationNode,  InputStream stream, String name, String description, String login, boolean withLock) throws RepositoryException, StorageHubException{
+	private Node createFileItemInternally(Session ses, Node destinationNode,  InputStream stream, String name, String description, String login, boolean withLock, boolean isBulk) throws RepositoryException, StorageHubException{
 
 		Node newNode;
 		FolderItem destinationItem = node2Item.getItem(destinationNode, Excludes.ALL);
@@ -281,7 +281,7 @@ public class ItemHandler {
 				log.trace("replacing content of class {}",item.getContent().getClass());
 				item2Node.replaceContent(newNode,item, ItemAction.UPDATED);
 				accountingHandler.createFileUpdated(item.getTitle(), ses, newNode, login, false);
-				ses.save();
+				if (!isBulk) ses.save();
 			}finally {
 				if (withLock) ses.getWorkspace().getLockManager().unlock(newNode.getPath());
 			}
@@ -300,7 +300,7 @@ public class ItemHandler {
 			try {
 				newNode = item2Node.getNode(destinationNode, item);	
 				accountingHandler.createEntryCreate(item.getTitle(), ses, newNode, login, false);
-				ses.save();
+				if (!isBulk) ses.save();
 			}finally {
 				if (withLock) ses.getWorkspace().getLockManager().unlock(destinationNode.getPath());
 			}