diff --git a/src/main/java/org/gcube/portlet/user/userstatisticsportlet/server/UserStatisticsServiceImpl.java b/src/main/java/org/gcube/portlet/user/userstatisticsportlet/server/UserStatisticsServiceImpl.java
index d2ad9bf..071fa8a 100644
--- a/src/main/java/org/gcube/portlet/user/userstatisticsportlet/server/UserStatisticsServiceImpl.java
+++ b/src/main/java/org/gcube/portlet/user/userstatisticsportlet/server/UserStatisticsServiceImpl.java
@@ -50,7 +50,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 	@Override
 	public void init() {
 		// get connection to Cassandra
-		_log.info("Getting connection to Cassandra..");
+		_log.debug("Getting connection to Cassandra..");
 		store = new DBCassandraAstyanaxImpl();
 
 	}
@@ -58,7 +58,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 	@Override
 	public void destroy(){
 		// shutting down connection to Cassandra
-		_log.info("Closing connection to Cassandra");
+		_log.debug("Closing connection to Cassandra");
 		store.closeConnection();
 	}
 
@@ -145,7 +145,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 			
 		}else{
 
-			_log.info("Getting " + userName + " amount of workspace in use.");
+			_log.debug("Getting " + userName + " amount of workspace in use.");
 
 			try{
 				
@@ -156,7 +156,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 				storageInUse = formatFileSize(storage);
 				
 				long end = System.currentTimeMillis();
-				_log.info("[USER-STATISTICS] time taken to retrieve user space is " + (end - init) + "ms");
+				_log.debug("[USER-STATISTICS] time taken to retrieve user space is " + (end - init) + "ms");
 
 			}catch(Exception e){
 
@@ -200,7 +200,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 					profileStrenght = evaluateProfileStrenght(user, avatarPresent);
 					
 					long end = System.currentTimeMillis();
-					_log.info("[USER-STATISTICS] time taken to evaluate user profile strenght is " + (end - init) + "ms");
+					_log.debug("[USER-STATISTICS] time taken to evaluate user profile strenght is " + (end - init) + "ms");
 
 				}catch(Exception e){
 
@@ -233,11 +233,11 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 			// If the user is in the root panel, we have to send him the overall number of posts made, comments/likes(received) and the space in use.
 			// Otherwise we have to filter on the vre.
 			boolean isInfrastructure = isInfrastructureScope();
-			_log.info("User scope is " + (isInfrastructure ? " the whole infrastucture " : " a VRE"));
+			_log.debug("User scope is " + (isInfrastructure ? " the whole infrastucture " : " a VRE"));
 
 			// get path of the avatar
 			String thumbnailURL = session.getUserAvatarId();
-			_log.info(userName + " avatar has url " + thumbnailURL);
+			_log.debug(userName + " avatar has url " + thumbnailURL);
 
 			// get the vre (if not in the infrastructure)
 			String actualVre = null;
@@ -253,7 +253,7 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 			String accountURL = null;
 			ThemeDisplay themeDisplay = (ThemeDisplay) this.getThreadLocalRequest().getSession().getAttribute(WebKeys.THEME_DISPLAY);
 			accountURL = themeDisplay.getURLMyAccount().toString();
-			_log.info("Account url for " + userName + " is "  + accountURL);
+			_log.debug("Account url for " + userName + " is "  + accountURL);
 
 			return new UserInformation(isInfrastructure, thumbnailURL, userName, actualVre, accountURL);
 		}
@@ -286,16 +286,16 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 		Date oneYearAgo = new Date();
 		oneYearAgo.setYear(oneYearAgo.getYear() - 1);
 
-		_log.info("Reference time is " + oneYearAgo.toString());
+		_log.debug("Reference time is " + oneYearAgo.toString());
 
 		try {
 
 			long init = System.currentTimeMillis();
-			_log.info("Getting " + userName + " feeds in the last year.");
+			_log.debug("Getting " + userName + " feeds in the last year.");
 
 			List<Feed> userFeeds = store.getRecentFeedsByUserAndDate(userName, oneYearAgo.getTime());
 
-			_log.info("Evaluating number of comments and likes of " + userName + "'s feeds.");
+			_log.debug("Evaluating number of comments and likes of " + userName + "'s feeds.");
 
 			for (Feed feed : userFeeds) {
 
@@ -319,10 +319,10 @@ public class UserStatisticsServiceImpl extends RemoteServiceServlet implements U
 
 			long end = System.currentTimeMillis();
 			
-			_log.info("[USER-STATISTICS] time taken to retrieve and filter user feeds, get likes and replies got is " + (end - init) + "ms");
-			_log.info("Total number of feeds (after time filtering) of  " + userName + " is " + totalFeeds);
-			_log.info("Total number of likes (after time filtering) for " + userName + " is " + totalLikes);
-			_log.info("Total number of comments (after time filtering) for " + userName + " is " + totalComments);
+			_log.debug("[USER-STATISTICS] time taken to retrieve and filter user feeds, get likes and replies got is " + (end - init) + "ms");
+			_log.debug("Total number of feeds (after time filtering) of  " + userName + " is " + totalFeeds);
+			_log.debug("Total number of likes (after time filtering) for " + userName + " is " + totalLikes);
+			_log.debug("Total number of comments (after time filtering) for " + userName + " is " + totalComments);
 
 		}catch(Exception e){
 			_log.error(e.toString());