diff --git a/pandora/item/management/commands/rebuildcache.py b/pandora/item/management/commands/rebuildcache.py
index 7bd8d83a..8600d02c 100644
--- a/pandora/item/management/commands/rebuildcache.py
+++ b/pandora/item/management/commands/rebuildcache.py
@@ -3,6 +3,7 @@
 
 import os
 from os.path import join, dirname, basename, splitext, exists
+import time
 
 from django.core.management.base import BaseCommand, CommandError
 from django.conf import settings
@@ -20,11 +21,13 @@ class Command(BaseCommand):
 
     def handle(self, **options):
         offset = 0
-        chunk = 100
+        chunk = 50
         count = pos = models.Item.objects.count()
         while offset <= count:
             for i in models.Item.objects.all().order_by('id')[offset:offset+chunk]:
                 print pos, i.itemId
                 i.save()
+                time.sleep(1) #dont overload db
                 pos -= 1
             offset += chunk
+            time.sleep(30) #dont overload db
diff --git a/pandora/item/models.py b/pandora/item/models.py
index 8bf2aa28..8d66115d 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -1206,6 +1206,8 @@ class Access(models.Model):
             self.accessed = 0
         self.accessed += 1
         super(Access, self).save(*args, **kwargs)
+        timesaccessed = Access.objects.filter(item=self.item).aggregate(Sum('accessed'))['accessed__sum']
+        ItemSort.objects.filter(item=self.item).update(timesaccessed=timesaccessed)
 
     def __unicode__(self):
         if self.user:
diff --git a/pandora/item/views.py b/pandora/item/views.py
index cff82149..acf9d83f 100644
--- a/pandora/item/views.py
+++ b/pandora/item/views.py
@@ -53,7 +53,6 @@ def _order_query(qs, sort, prefix='sort__'):
         key = {
             'id': 'itemId',
             'accessed': 'accessed__access',
-            'viewed': 'accessed__access',
         }.get(e['key'], e['key'])
         if key not in ('accessed__access', 'accessed__accessed'):
             key = "%s%s" % (prefix, key)
@@ -237,13 +236,10 @@ Positions
         def only_p_sums(m):
             r = {}
             for p in _p:
-                if p == 'viewed' and request.user.is_authenticated():
-                    value = m.accessed.filter(user=request.user).annotate(v=Max('access'))
-                    r[p] = value.exists() and value[0].v or None
-                elif p  == 'accessed':
+                if p  == 'accessed':
                     r[p] = m.a
                 elif p == 'timesaccessed':
-                    r[p] = m.sort.timesaccessed
+                    r[p] = m.timesaccessed
                 else:
                     r[p] = m.json.get(p, '')
             if 'clip_qs' in query:
diff --git a/pandora/settings.py b/pandora/settings.py
index 16315ad4..59992bbe 100644
--- a/pandora/settings.py
+++ b/pandora/settings.py
@@ -24,7 +24,8 @@ MANAGERS = ADMINS
 # although not all choices may be available on all operating systems.
 # If running in a Windows environment this must be set to the same as your
 # system time zone.
-TIME_ZONE = 'Europe/Berlin'
+TIME_ZONE = 'UTC'
+
 #TIME_ZONE = 'Asia/Kolkata'
 
 # Language code for this installation. All choices can be found here:
diff --git a/pandora/user/views.py b/pandora/user/views.py
index 388006e5..447a930a 100644
--- a/pandora/user/views.py
+++ b/pandora/user/views.py
@@ -690,7 +690,7 @@ def setUI(request):
     else:
         request.session['ui'] = json.dumps(ui)
 
-    if data.get('item', False):
+    if data.get('item'):
         item = get_object_or_404_json(Item, itemId=data['item'])
         if request.user.is_authenticated():
             access, created = Access.objects.get_or_create(item=item, user=request.user)