diff --git a/zuul_registry/filesystem.py b/zuul_registry/filesystem.py
index b68b9b2..e8157c6 100644
--- a/zuul_registry/filesystem.py
+++ b/zuul_registry/filesystem.py
@@ -13,6 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this software.  If not, see <http://www.gnu.org/licenses/>.
 
+import logging
 import os
 import tempfile
 
@@ -23,10 +24,13 @@ DISK_CHUNK_SIZE = 64 * 1024
 
 
 class FilesystemDriver(storageutils.StorageDriver):
+    log = logging.getLogger('registry.filesystem')
+
     def __init__(self, conf):
         self.root = conf['root']
 
     def list_objects(self, path):
+        self.log.debug("List objects %s", path)
         path = os.path.join(self.root, path)
         if not os.path.isdir(path):
             return []
@@ -48,13 +52,18 @@ class FilesystemDriver(storageutils.StorageDriver):
         path = os.path.join(self.root, path)
         os.makedirs(os.path.dirname(path), exist_ok=True)
         with open(path, 'wb') as f:
+            size = 0
             if isinstance(data, bytes):
                 f.write(data)
+                size += len(data)
             else:
                 for chunk in data:
                     f.write(chunk)
+                    size += len(chunk)
             f.flush()
             os.fsync(f.fileno())
+        self.log.debug("[u: %s] Upload object %s size: %s",
+                       uuid, path, size)
 
     def get_object(self, path):
         path = os.path.join(self.root, path)
@@ -105,8 +114,12 @@ class FilesystemDriver(storageutils.StorageDriver):
     def move_object(self, src_path, dst_path, uuid=None):
         src_path = os.path.join(self.root, src_path)
         dst_path = os.path.join(self.root, dst_path)
+        self.log.debug("[u: %s] Move object %s %s",
+                       uuid, src_path, dst_path)
         os.makedirs(os.path.dirname(dst_path), exist_ok=True)
         os.rename(src_path, dst_path)
+        self.log.debug("[u: %s] Moved object %s %s",
+                       uuid, src_path, dst_path)
 
     def cat_objects(self, path, chunks, uuid=None):
         path = os.path.join(self.root, path)