actually fix it here

Plugins/Stats/Helpers/StatManager.cs

@@ -551,18 +551,15 @@ namespace IW4MAdmin.Plugins.Stats.Helpers
                 clientStats.HitLocations.Single(hl => hl.Location == hit.HitLoc).HitCount += 1;
             }
 
-
             try
             {
                 if (Plugin.Config.Configuration().StoreClientKills)
-                {
-                    lock (_hitCache)
                 {
                     _hitCache.Add(hit);
 
                     if (_hitCache.Count > Detection.MAX_TRACKED_HIT_COUNT)
                     {
-
+                        OnProcessingPenalty.Wait();
                         using (var ctx = new DatabaseContext())
                         {
                             ctx.AddRange(_hitCache);
@@ -570,7 +567,7 @@ namespace IW4MAdmin.Plugins.Stats.Helpers
                         }
 
                         _hitCache.Clear();
-                        }
+                        OnProcessingPenalty.Release();
                     }
                 }