From a0dfbdfd70fe85fca64b341b6fe30708e9a9ebe9 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Wed, 8 May 2013 14:12:55 -0400
Subject: [PATCH 1/2] Add file lock logging message

---
 MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs b/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
index beeb1c181..b9b2b560b 100644
--- a/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
+++ b/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
@@ -23,7 +23,7 @@ namespace MediaBrowser.Server.Implementations.IO
         /// <summary>
         /// The file system watchers
         /// </summary>
-        private ConcurrentDictionary<string, FileSystemWatcher> _fileSystemWatchers = new ConcurrentDictionary<string,FileSystemWatcher>(StringComparer.OrdinalIgnoreCase);
+        private readonly ConcurrentDictionary<string, FileSystemWatcher> _fileSystemWatchers = new ConcurrentDictionary<string,FileSystemWatcher>(StringComparer.OrdinalIgnoreCase);
         /// <summary>
         /// The update timer
         /// </summary>
@@ -424,6 +424,7 @@ namespace MediaBrowser.Server.Implementations.IO
                 //still being written to
                 //or being processed by another thread
                 //or does not exist (has already been processed)
+                Logger.Debug("{0} is locked.", path);
                 return true;
             }
         }

From fbd052abfc2724fcb151582746c9783d7ab8a97a Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Wed, 8 May 2013 16:58:52 -0400
Subject: [PATCH 2/2] removed local trailers and special features from memory

---
 .../Progressive/ProgressiveStreamWriter.cs    |   2 +-
 MediaBrowser.Api/UserLibrary/ItemsService.cs  |  14 +-
 .../UserLibrary/UserLibraryService.cs         |  14 +-
 .../BaseApplicationHost.cs                    |   4 -
 .../HttpClientManager/HttpClientManager.cs    |   2 +-
 MediaBrowser.Controller/Dto/DtoBuilder.cs     |   4 +-
 MediaBrowser.Controller/Entities/BaseItem.cs  | 162 +++++++-----------
 .../Entities/Movies/Movie.cs                  |  72 +++-----
 .../Persistence/IItemRepository.cs            |   9 +-
 .../Providers/Music/LastfmArtistProvider.cs   |  16 +-
 .../Providers/TV/RemoteEpisodeProvider.cs     |   1 -
 .../Providers/TV/RemoteSeasonProvider.cs      |   1 -
 .../Providers/TV/RemoteSeriesProvider.cs      |   1 -
 .../Library/LibraryManager.cs                 |  55 +-----
 .../ScheduledTasks/ImageCleanupTask.cs        |  28 ++-
 .../ScheduledTasks/VideoImagesTask.cs         |  15 +-
 .../SQLiteDisplayPreferencesRepository.cs     |  44 ++---
 .../Sqlite/SQLiteItemRepository.cs            | 103 ++++++-----
 .../Sqlite/SQLiteRepository.cs                |  16 +-
 .../Sqlite/SQLiteUserDataRepository.cs        |  76 ++++----
 .../Sqlite/SQLiteUserRepository.cs            |  72 ++++----
 .../LibraryExplorer.xaml.cs                   |  13 +-
 22 files changed, 331 insertions(+), 393 deletions(-)

diff --git a/MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs b/MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs
index 85ac018f6..6eb3eb643 100644
--- a/MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs
+++ b/MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs
@@ -96,7 +96,7 @@ namespace MediaBrowser.Api.Playback.Progressive
 
                     var bytesRead = fsPosition - position;
 
-                    Logger.Debug("Streamed {0} bytes from file {1}", bytesRead, path);
+                    //Logger.Debug("Streamed {0} bytes from file {1}", bytesRead, path);
 
                     if (bytesRead == 0)
                     {
diff --git a/MediaBrowser.Api/UserLibrary/ItemsService.cs b/MediaBrowser.Api/UserLibrary/ItemsService.cs
index af4f94f50..f33c51c5c 100644
--- a/MediaBrowser.Api/UserLibrary/ItemsService.cs
+++ b/MediaBrowser.Api/UserLibrary/ItemsService.cs
@@ -547,22 +547,22 @@ namespace MediaBrowser.Api.UserLibrary
 
             if (request.HasTrailer.HasValue)
             {
-                items = items.Where(i => request.HasTrailer.Value ? i.LocalTrailers.Count > 0 : i.LocalTrailers.Count == 0);
+                items = items.Where(i => request.HasTrailer.Value ? i.LocalTrailerIds.Count > 0 : i.LocalTrailerIds.Count == 0);
             }
 
             if (request.HasThemeSong.HasValue)
             {
-                items = items.Where(i => request.HasThemeSong.Value ? i.ThemeSongs.Count > 0 : i.ThemeSongs.Count == 0);
+                items = items.Where(i => request.HasThemeSong.Value ? i.ThemeSongIds.Count > 0 : i.ThemeSongIds.Count == 0);
             }
 
             if (request.HasThemeVideo.HasValue)
             {
-                items = items.Where(i => request.HasThemeVideo.Value ? i.ThemeVideos.Count > 0 : i.ThemeVideos.Count == 0);
+                items = items.Where(i => request.HasThemeVideo.Value ? i.ThemeVideoIds.Count > 0 : i.ThemeVideoIds.Count == 0);
             }
 
             if (request.HasSpecialFeature.HasValue)
             {
-                items = items.OfType<Movie>().Where(i => request.HasSpecialFeature.Value ? i.SpecialFeatures.Count > 0 : i.SpecialFeatures.Count == 0);
+                items = items.OfType<Movie>().Where(i => request.HasSpecialFeature.Value ? i.SpecialFeatureIds.Count > 0 : i.SpecialFeatureIds.Count == 0);
             }
 
             if (request.HasSubtitles.HasValue)
@@ -573,10 +573,8 @@ namespace MediaBrowser.Api.UserLibrary
                     {
                         return i.MediaStreams != null && i.MediaStreams.Any(m => m.Type == MediaStreamType.Subtitle);
                     }
-                    else
-                    {
-                        return i.MediaStreams == null || i.MediaStreams.All(m => m.Type != MediaStreamType.Subtitle);
-                    }
+
+                    return i.MediaStreams == null || i.MediaStreams.All(m => m.Type != MediaStreamType.Subtitle);
                 });
             }
 
diff --git a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
index 9d809f888..5c1eff954 100644
--- a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
+++ b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
@@ -399,19 +399,23 @@ namespace MediaBrowser.Api.UserLibrary
         /// </summary>
         private readonly ILibraryManager _libraryManager;
 
+        private readonly IItemRepository _itemRepo;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="UserLibraryService" /> class.
         /// </summary>
         /// <param name="userManager">The user manager.</param>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="userDataRepository">The user data repository.</param>
+        /// <param name="itemRepo">The item repo.</param>
         /// <exception cref="System.ArgumentNullException">jsonSerializer</exception>
-        public UserLibraryService(IUserManager userManager, ILibraryManager libraryManager, IUserDataRepository userDataRepository)
+        public UserLibraryService(IUserManager userManager, ILibraryManager libraryManager, IUserDataRepository userDataRepository, IItemRepository itemRepo)
             : base()
         {
             _userManager = userManager;
             _libraryManager = libraryManager;
             _userDataRepository = userDataRepository;
+            _itemRepo = itemRepo;
         }
 
         /// <summary>
@@ -432,7 +436,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
 
-            var items = movie.SpecialFeatures.OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToList();
+            var items = _itemRepo.GetItems(movie.SpecialFeatureIds).OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToList();
 
             return ToOptimizedResult(items);
         }
@@ -453,7 +457,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
 
-            var items = item.LocalTrailers.OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToList();
+            var items = _itemRepo.GetItems(item.LocalTrailerIds).OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToList();
 
             return ToOptimizedResult(items);
         }
@@ -474,7 +478,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
 
-            var items = item.ThemeSongs.OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToArray();
+            var items = _itemRepo.GetItems(item.ThemeSongIds).OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToArray();
 
             var result = new ThemeSongsResult
             {
@@ -502,7 +506,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
 
-            var items = item.ThemeVideos.OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToArray();
+            var items = _itemRepo.GetItems(item.ThemeVideoIds).OrderBy(i => i.SortName).Select(i => dtoBuilder.GetBaseItemDto(i, user, fields)).Select(t => t.Result).ToArray();
 
             var result = new ThemeVideosResult
             {
diff --git a/MediaBrowser.Common.Implementations/BaseApplicationHost.cs b/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
index 386da0ffa..34bdda94f 100644
--- a/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
+++ b/MediaBrowser.Common.Implementations/BaseApplicationHost.cs
@@ -340,8 +340,6 @@ namespace MediaBrowser.Common.Implementations
         protected void RegisterSingleInstance<T>(T obj, bool manageLifetime = true)
             where T : class
         {
-            Logger.Info("Registering " + obj.GetType().Name);
-
             Container.RegisterSingle(obj);
 
             if (manageLifetime)
@@ -421,8 +419,6 @@ namespace MediaBrowser.Common.Implementations
         {
             var currentType = typeof(T);
 
-            Logger.Info("Composing instances of " + currentType.Name);
-
             var parts = AllConcreteTypes.AsParallel().Where(currentType.IsAssignableFrom).Select(CreateInstance).Cast<T>().ToArray();
 
             if (manageLiftime)
diff --git a/MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs b/MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs
index 23433ac75..4c51d1299 100644
--- a/MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs
+++ b/MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs
@@ -136,7 +136,7 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
                 {
                     var now = DateTime.UtcNow;
 
-                    var isCacheValid = (!cachedInfo.MustRevalidate && !string.IsNullOrEmpty(cachedInfo.Etag) && (now - cachedInfo.RequestDate).TotalDays < 14)
+                    var isCacheValid = (!cachedInfo.MustRevalidate && !string.IsNullOrEmpty(cachedInfo.Etag) && (now - cachedInfo.RequestDate).TotalDays < 7)
                         || (cachedInfo.Expires.HasValue && cachedInfo.Expires.Value > now);
 
                     if (isCacheValid)
diff --git a/MediaBrowser.Controller/Dto/DtoBuilder.cs b/MediaBrowser.Controller/Dto/DtoBuilder.cs
index e16fb6d94..d84227059 100644
--- a/MediaBrowser.Controller/Dto/DtoBuilder.cs
+++ b/MediaBrowser.Controller/Dto/DtoBuilder.cs
@@ -331,7 +331,7 @@ namespace MediaBrowser.Controller.Dto
                 dto.CriticRatingSummary = item.CriticRatingSummary;
             }
 
-            var localTrailerCount = item.LocalTrailers == null ? 0 : item.LocalTrailers.Count;
+            var localTrailerCount = item.LocalTrailerIds.Count;
 
             if (localTrailerCount > 0)
             {
@@ -492,7 +492,7 @@ namespace MediaBrowser.Controller.Dto
 
             if (movie != null)
             {
-                var specialFeatureCount = movie.SpecialFeatures == null ? 0 : movie.SpecialFeatures.Count;
+                var specialFeatureCount = movie.SpecialFeatureIds.Count;
 
                 if (specialFeatureCount > 0)
                 {
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index d7fc1cc8e..e31939d59 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -38,6 +38,9 @@ namespace MediaBrowser.Controller.Entities
             Images = new Dictionary<ImageType, string>();
             ProviderIds = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
             Tags = new List<string>();
+            ThemeSongIds = new List<Guid>();
+            ThemeVideoIds = new List<Guid>();
+            LocalTrailerIds = new List<Guid>();
         }
 
         /// <summary>
@@ -572,7 +575,7 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <value>The tags.</value>
         public List<string> Tags { get; set; }
-        
+
         /// <summary>
         /// Override this if you need to combine/collapse person information
         /// </summary>
@@ -612,7 +615,7 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <value>The revenue.</value>
         public double? Revenue { get; set; }
-        
+
         /// <summary>
         /// Gets or sets the production locations.
         /// </summary>
@@ -630,7 +633,7 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <value>The critic rating summary.</value>
         public string CriticRatingSummary { get; set; }
-        
+
         /// <summary>
         /// Gets or sets the community rating.
         /// </summary>
@@ -672,84 +675,9 @@ namespace MediaBrowser.Controller.Entities
         /// <value>The critic reviews.</value>
         public List<ItemReview> CriticReviews { get; set; }
 
-        /// <summary>
-        /// The _local trailers
-        /// </summary>
-        private List<Trailer> _localTrailers;
-        /// <summary>
-        /// The _local trailers initialized
-        /// </summary>
-        private bool _localTrailersInitialized;
-        /// <summary>
-        /// The _local trailers sync lock
-        /// </summary>
-        private object _localTrailersSyncLock = new object();
-        /// <summary>
-        /// Gets the local trailers.
-        /// </summary>
-        /// <value>The local trailers.</value>
-        [IgnoreDataMember]
-        public List<Trailer> LocalTrailers
-        {
-            get
-            {
-                LazyInitializer.EnsureInitialized(ref _localTrailers, ref _localTrailersInitialized, ref _localTrailersSyncLock, LoadLocalTrailers);
-                return _localTrailers;
-            }
-            private set
-            {
-                _localTrailers = value;
-
-                if (value == null)
-                {
-                    _localTrailersInitialized = false;
-                }
-            }
-        }
-
-        private List<Audio.Audio> _themeSongs;
-        private bool _themeSongsInitialized;
-        private object _themeSongsSyncLock = new object();
-        [IgnoreDataMember]
-        public List<Audio.Audio> ThemeSongs
-        {
-            get
-            {
-                LazyInitializer.EnsureInitialized(ref _themeSongs, ref _themeSongsInitialized, ref _themeSongsSyncLock, LoadThemeSongs);
-                return _themeSongs;
-            }
-            private set
-            {
-                _themeSongs = value;
-
-                if (value == null)
-                {
-                    _themeSongsInitialized = false;
-                }
-            }
-        }
-
-        private List<Video> _themeVideos;
-        private bool _themeVideosInitialized;
-        private object _themeVideosSyncLock = new object();
-        [IgnoreDataMember]
-        public List<Video> ThemeVideos
-        {
-            get
-            {
-                LazyInitializer.EnsureInitialized(ref _themeVideos, ref _themeVideosInitialized, ref _themeVideosSyncLock, LoadThemeVideos);
-                return _themeVideos;
-            }
-            private set
-            {
-                _themeVideos = value;
-
-                if (value == null)
-                {
-                    _themeVideosInitialized = false;
-                }
-            }
-        }
+        public List<Guid> ThemeSongIds { get; set; }
+        public List<Guid> ThemeVideoIds { get; set; }
+        public List<Guid> LocalTrailerIds { get; set; }
 
         /// <summary>
         /// Loads local trailers from the file system
@@ -956,36 +884,25 @@ namespace MediaBrowser.Controller.Entities
                 ResolveArgs = null;
             }
 
-            // Lazy load these again
-            LocalTrailers = null;
-            ThemeSongs = null;
-            ThemeVideos = null;
-
             // Refresh for the item
             var itemRefreshTask = ProviderManager.ExecuteMetadataProviders(this, cancellationToken, forceRefresh, allowSlowProviders);
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            // Refresh metadata for local trailers
-            var trailerTasks = LocalTrailers.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var themeSongsChanged = await RefreshThemeSongs(cancellationToken, forceSave, forceRefresh, allowSlowProviders).ConfigureAwait(false);
 
-            var themeSongTasks = ThemeSongs.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var themeVideosChanged = await RefreshThemeVideos(cancellationToken, forceSave, forceRefresh, allowSlowProviders).ConfigureAwait(false);
+
+            var localTrailersChanged = await RefreshLocalTrailers(cancellationToken, forceSave, forceRefresh, allowSlowProviders).ConfigureAwait(false);
 
-            var videoBackdropTasks = ThemeVideos.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
-            
             cancellationToken.ThrowIfCancellationRequested();
 
-            // Await the trailer tasks
-            await Task.WhenAll(trailerTasks).ConfigureAwait(false);
-            await Task.WhenAll(themeSongTasks).ConfigureAwait(false);
-            await Task.WhenAll(videoBackdropTasks).ConfigureAwait(false);
-
             cancellationToken.ThrowIfCancellationRequested();
 
             // Get the result from the item task
             var changed = await itemRefreshTask.ConfigureAwait(false);
 
-            if (changed || forceSave)
+            if (changed || forceSave || themeSongsChanged || themeVideosChanged || localTrailersChanged)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
@@ -995,6 +912,57 @@ namespace MediaBrowser.Controller.Entities
             return changed;
         }
 
+        private async Task<bool> RefreshLocalTrailers(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true)
+        {
+            var newItems = LoadLocalTrailers().ToList();
+            var newItemIds = newItems.Select(i => i.Id).ToList();
+
+            var itemsChanged = !LocalTrailerIds.SequenceEqual(newItemIds);
+
+            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+
+            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            LocalTrailerIds = newItemIds;
+
+            return itemsChanged || results.Contains(true);
+        }
+        
+        private async Task<bool> RefreshThemeVideos(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true)
+        {
+            var newThemeVideos = LoadThemeVideos().ToList();
+            var newThemeVideoIds = newThemeVideos.Select(i => i.Id).ToList();
+
+            var themeVideosChanged = !ThemeVideoIds.SequenceEqual(newThemeVideoIds);
+
+            var tasks = newThemeVideos.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+
+            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            ThemeVideoIds = newThemeVideoIds;
+
+            return themeVideosChanged || results.Contains(true);
+        }
+        
+        /// <summary>
+        /// Refreshes the theme songs.
+        /// </summary>
+        private async Task<bool> RefreshThemeSongs(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true)
+        {
+            var newThemeSongs = LoadThemeSongs().ToList();
+            var newThemeSongIds = newThemeSongs.Select(i => i.Id).ToList();
+
+            var themeSongsChanged = !ThemeSongIds.SequenceEqual(newThemeSongIds);
+
+            var tasks = newThemeSongs.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+
+            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            ThemeSongIds = newThemeSongIds;
+
+            return themeSongsChanged || results.Contains(true);
+        }
+
         /// <summary>
         /// Clear out all metadata properties. Extend for sub-classes.
         /// </summary>
diff --git a/MediaBrowser.Controller/Entities/Movies/Movie.cs b/MediaBrowser.Controller/Entities/Movies/Movie.cs
index 593255989..5e068c261 100644
--- a/MediaBrowser.Controller/Entities/Movies/Movie.cs
+++ b/MediaBrowser.Controller/Entities/Movies/Movie.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Controller.IO;
+using System;
+using MediaBrowser.Controller.IO;
 using MediaBrowser.Model.Entities;
 using System.Collections.Generic;
 using System.IO;
@@ -14,6 +15,13 @@ namespace MediaBrowser.Controller.Entities.Movies
     /// </summary>
     public class Movie : Video
     {
+        public List<Guid> SpecialFeatureIds { get; set; }
+
+        public Movie()
+        {
+            SpecialFeatureIds = new List<Guid>();
+        }
+        
         /// <summary>
         /// Should be overridden to return the proper folder where metadata lives
         /// </summary>
@@ -36,41 +44,6 @@ namespace MediaBrowser.Controller.Entities.Movies
             return this.GetProviderId(MetadataProviders.Tmdb) ?? this.GetProviderId(MetadataProviders.Imdb) ?? base.GetUserDataKey();
         }
 
-        /// <summary>
-        /// The _special features
-        /// </summary>
-        private List<Video> _specialFeatures;
-        /// <summary>
-        /// The _special features initialized
-        /// </summary>
-        private bool _specialFeaturesInitialized;
-        /// <summary>
-        /// The _special features sync lock
-        /// </summary>
-        private object _specialFeaturesSyncLock = new object();
-        /// <summary>
-        /// Gets the special features.
-        /// </summary>
-        /// <value>The special features.</value>
-        [IgnoreDataMember]
-        public List<Video> SpecialFeatures
-        {
-            get
-            {
-                LazyInitializer.EnsureInitialized(ref _specialFeatures, ref _specialFeaturesInitialized, ref _specialFeaturesSyncLock, () => LoadSpecialFeatures().ToList());
-                return _specialFeatures;
-            }
-            private set
-            {
-                _specialFeatures = value;
-
-                if (value == null)
-                {
-                    _specialFeaturesInitialized = false;
-                }
-            }
-        }
-
         /// <summary>
         /// Needed because the resolver stops at the movie folder and we find the video inside.
         /// </summary>
@@ -94,21 +67,30 @@ namespace MediaBrowser.Controller.Entities.Movies
         /// <returns>Task{System.Boolean}.</returns>
         public override async Task<bool> RefreshMetadata(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true, bool resetResolveArgs = true)
         {
-            // Lazy load these again
-            SpecialFeatures = null;
-
             // Kick off a task to refresh the main item
             var result = await base.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs).ConfigureAwait(false);
 
-            var tasks = SpecialFeatures.Select(item => item.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var specialFeaturesChanged = await RefreshSpecialFeatures(cancellationToken, forceSave, forceRefresh, allowSlowProviders).ConfigureAwait(false);
 
-            await Task.WhenAll(tasks).ConfigureAwait(false);
-
-            cancellationToken.ThrowIfCancellationRequested();
-
-            return result;
+            return specialFeaturesChanged || result;
         }
 
+        private async Task<bool> RefreshSpecialFeatures(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true)
+        {
+            var newItems = LoadSpecialFeatures().ToList();
+            var newItemIds = newItems.Select(i => i.Id).ToList();
+
+            var itemsChanged = !SpecialFeatureIds.SequenceEqual(newItemIds);
+
+            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+
+            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            SpecialFeatureIds = newItemIds;
+
+            return itemsChanged || results.Contains(true);
+        }
+        
         /// <summary>
         /// Loads the special features.
         /// </summary>
diff --git a/MediaBrowser.Controller/Persistence/IItemRepository.cs b/MediaBrowser.Controller/Persistence/IItemRepository.cs
index c7e51e38c..c91aeb9a5 100644
--- a/MediaBrowser.Controller/Persistence/IItemRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IItemRepository.cs
@@ -24,7 +24,7 @@ namespace MediaBrowser.Controller.Persistence
         /// </summary>
         /// <param name="id">The id.</param>
         /// <returns>BaseItem.</returns>
-        BaseItem RetrieveItem(Guid id);
+        BaseItem GetItem(Guid id);
 
         /// <summary>
         /// Gets children of a given Folder
@@ -33,6 +33,13 @@ namespace MediaBrowser.Controller.Persistence
         /// <returns>IEnumerable{BaseItem}.</returns>
         IEnumerable<BaseItem> RetrieveChildren(Folder parent);
 
+        /// <summary>
+        /// Retrieves the items.
+        /// </summary>
+        /// <param name="ids">The ids.</param>
+        /// <returns>IEnumerable{BaseItem}.</returns>
+        IEnumerable<BaseItem> GetItems(IEnumerable<Guid> ids);
+
         /// <summary>
         /// Saves children of a given Folder
         /// </summary>
diff --git a/MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs b/MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs
index 0e56b8c08..9fdbd8b09 100644
--- a/MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs
+++ b/MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs
@@ -57,15 +57,9 @@ namespace MediaBrowser.Controller.Providers.Music
 
             if (result != null)
             {
-                if (!string.IsNullOrEmpty(result.Item1))
+                if (!string.IsNullOrEmpty(result))
                 {
-                    return result.Item1;
-                }
-
-                // If there were no artists returned at all, then don't bother with musicbrainz
-                if (!result.Item2)
-                {
-                    return null;
+                    return result;
                 }
             }
 
@@ -94,7 +88,7 @@ namespace MediaBrowser.Controller.Providers.Music
             return artist != null ? artist.GetProviderId(MetadataProviders.Musicbrainz) : null;
         }
 
-        private async Task<Tuple<string,bool>> FindIdFromLastFm(BaseItem item, CancellationToken cancellationToken)
+        private async Task<string> FindIdFromLastFm(BaseItem item, CancellationToken cancellationToken)
         {
             //Execute the Artist search against our name and assume first one is the one we want
             var url = RootUrl + string.Format("method=artist.search&artist={0}&api_key={1}&format=json", UrlEncode(item.Name), ApiKey);
@@ -125,10 +119,10 @@ namespace MediaBrowser.Controller.Providers.Music
                 var artist = searchResult.results.artistmatches.artist.FirstOrDefault(i => i.name != null && string.Compare(i.name, item.Name, CultureInfo.CurrentCulture, CompareOptions.IgnoreNonSpace) == 0) ??
                     searchResult.results.artistmatches.artist.First();
 
-                return new Tuple<string, bool>(artist.mbid, true);
+                return artist.mbid;
             }
 
-            return new Tuple<string,bool>(null, false);
+            return null;
         }
 
         private async Task<string> FindIdFromMusicBrainz(BaseItem item, CancellationToken cancellationToken)
diff --git a/MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs b/MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs
index efa4b1f0c..487ea98cb 100644
--- a/MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs
+++ b/MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs
@@ -146,7 +146,6 @@ namespace MediaBrowser.Controller.Providers.TV
             string name = episode.Name;
             string location = episode.Path;
 
-            Logger.Debug("TvDbProvider: Fetching episode data for: " + name);
             string epNum = TVUtils.EpisodeNumberFromFile(location, episode.Season != null);
 
             if (epNum == null)
diff --git a/MediaBrowser.Controller/Providers/TV/RemoteSeasonProvider.cs b/MediaBrowser.Controller/Providers/TV/RemoteSeasonProvider.cs
index e3a5d459d..211b6fec8 100644
--- a/MediaBrowser.Controller/Providers/TV/RemoteSeasonProvider.cs
+++ b/MediaBrowser.Controller/Providers/TV/RemoteSeasonProvider.cs
@@ -130,7 +130,6 @@ namespace MediaBrowser.Controller.Providers.TV
         {
             string name = season.Name;
 
-            Logger.Debug("TvDbProvider: Fetching season data: " + name);
             var seasonNumber = TVUtils.GetSeasonNumberFromPath(season.Path) ?? -1;
 
             season.IndexNumber = seasonNumber;
diff --git a/MediaBrowser.Controller/Providers/TV/RemoteSeriesProvider.cs b/MediaBrowser.Controller/Providers/TV/RemoteSeriesProvider.cs
index 88a2a6dae..9dd5aa418 100644
--- a/MediaBrowser.Controller/Providers/TV/RemoteSeriesProvider.cs
+++ b/MediaBrowser.Controller/Providers/TV/RemoteSeriesProvider.cs
@@ -193,7 +193,6 @@ namespace MediaBrowser.Controller.Providers.TV
             var success = false;
 
             var name = series.Name;
-            Logger.Debug("TvDbProvider: Fetching series data: " + name);
 
             if (!string.IsNullOrEmpty(seriesId))
             {
diff --git a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
index e0f2fee13..65905b082 100644
--- a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
@@ -4,7 +4,6 @@ using MediaBrowser.Common.ScheduledTasks;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.IO;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
@@ -267,16 +266,6 @@ namespace MediaBrowser.Server.Implementations.Library
 
             items.Add(RootFolder);
 
-            var specialFeatures = items.OfType<Movie>().SelectMany(i => i.SpecialFeatures).ToList();
-            var localTrailers = items.SelectMany(i => i.LocalTrailers).ToList();
-            var themeSongs = items.SelectMany(i => i.ThemeSongs).ToList();
-            var themeVideos = items.SelectMany(i => i.ThemeVideos).ToList();
-
-            items.AddRange(specialFeatures);
-            items.AddRange(localTrailers);
-            items.AddRange(themeSongs);
-            items.AddRange(themeVideos);
-
             // Need to use DistinctBy Id because there could be multiple instances with the same id
             // due to sharing the default library
             var userRootFolders = _userManager.Users.Select(i => i.RootFolder)
@@ -304,39 +293,6 @@ namespace MediaBrowser.Server.Implementations.Library
         private void UpdateItemInLibraryCache(BaseItem item)
         {
             LibraryItemsCache.AddOrUpdate(item.Id, item, delegate { return item; });
-
-            foreach (var subItem in item.LocalTrailers)
-            {
-                // Prevent access to foreach variable in closure
-                var copy = subItem;
-                LibraryItemsCache.AddOrUpdate(subItem.Id, subItem, delegate { return copy; });
-            }
-
-            foreach (var subItem in item.ThemeSongs)
-            {
-                // Prevent access to foreach variable in closure
-                var copy = subItem;
-                LibraryItemsCache.AddOrUpdate(subItem.Id, subItem, delegate { return copy; });
-            }
-
-            foreach (var subItem in item.ThemeVideos)
-            {
-                // Prevent access to foreach variable in closure
-                var copy = subItem;
-                LibraryItemsCache.AddOrUpdate(subItem.Id, subItem, delegate { return copy; });
-            }
-
-            var movie = item as Movie;
-
-            if (movie != null)
-            {
-                foreach (var subItem in movie.SpecialFeatures)
-                {
-                    // Prevent access to foreach variable in closure
-                    var special1 = subItem;
-                    LibraryItemsCache.AddOrUpdate(subItem.Id, subItem, delegate { return special1; });
-                }
-            }
         }
 
         /// <summary>
@@ -661,8 +617,6 @@ namespace MediaBrowser.Server.Implementations.Library
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            _logger.Debug("Getting {0}: {1}", typeof(T).Name, name);
-
             path = Path.Combine(path, FileSystem.GetValidFilename(name));
 
             var fileInfo = new DirectoryInfo(path);
@@ -968,9 +922,12 @@ namespace MediaBrowser.Server.Implementations.Library
 
             BaseItem item;
 
-            LibraryItemsCache.TryGetValue(id, out item);
+            if (LibraryItemsCache.TryGetValue(id, out item))
+            {
+                return item;
+            }
 
-            return item;
+            return ItemRepository.GetItem(id);
         }
 
         /// <summary>
@@ -1130,7 +1087,7 @@ namespace MediaBrowser.Server.Implementations.Library
         /// <returns>Task{BaseItem}.</returns>
         public BaseItem RetrieveItem(Guid id)
         {
-            return ItemRepository.RetrieveItem(id);
+            return ItemRepository.GetItem(id);
         }
 
         /// <summary>
diff --git a/MediaBrowser.Server.Implementations/ScheduledTasks/ImageCleanupTask.cs b/MediaBrowser.Server.Implementations/ScheduledTasks/ImageCleanupTask.cs
index d308cb74b..7087c0421 100644
--- a/MediaBrowser.Server.Implementations/ScheduledTasks/ImageCleanupTask.cs
+++ b/MediaBrowser.Server.Implementations/ScheduledTasks/ImageCleanupTask.cs
@@ -3,6 +3,7 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Logging;
 using System;
 using System.Collections.Generic;
@@ -28,6 +29,7 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         private readonly ILogger _logger;
         private readonly ILibraryManager _libraryManager;
         private readonly IServerApplicationPaths _appPaths;
+        private readonly IItemRepository _itemRepo;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="ImageCleanupTask" /> class.
@@ -36,12 +38,13 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         /// <param name="logger">The logger.</param>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="appPaths">The app paths.</param>
-        public ImageCleanupTask(Kernel kernel, ILogger logger, ILibraryManager libraryManager, IServerApplicationPaths appPaths)
+        public ImageCleanupTask(Kernel kernel, ILogger logger, ILibraryManager libraryManager, IServerApplicationPaths appPaths, IItemRepository itemRepo)
         {
             _kernel = kernel;
             _logger = logger;
             _libraryManager = libraryManager;
             _appPaths = appPaths;
+            _itemRepo = itemRepo;
         }
 
         /// <summary>
@@ -138,20 +141,14 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
                 images = images.Concat(item.ScreenshotImagePaths);
             }
 
-            if (item.LocalTrailers != null)
-            {
-                images = item.LocalTrailers.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
-            }
+            var localTrailers = _itemRepo.GetItems(item.LocalTrailerIds).ToList();
+            images = localTrailers.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
 
-            if (item.ThemeSongs != null)
-            {
-                images = item.ThemeSongs.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
-            }
+            var themeSongs = _itemRepo.GetItems(item.ThemeSongIds).ToList();
+            images = themeSongs.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
 
-            if (item.ThemeVideos != null)
-            {
-                images = item.ThemeVideos.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
-            }
+            var themeVideos = _itemRepo.GetItems(item.ThemeVideoIds).ToList();
+            images = themeVideos.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
 
             var video = item as Video;
 
@@ -162,9 +159,10 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
 
             var movie = item as Movie;
 
-            if (movie != null && movie.SpecialFeatures != null)
+            if (movie != null)
             {
-                images = movie.SpecialFeatures.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
+                var specialFeattures = _itemRepo.GetItems(movie.SpecialFeatureIds).ToList();
+                images = specialFeattures.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
             }
             
             return images;
diff --git a/MediaBrowser.Server.Implementations/ScheduledTasks/VideoImagesTask.cs b/MediaBrowser.Server.Implementations/ScheduledTasks/VideoImagesTask.cs
index d7863c0ba..dcceb382c 100644
--- a/MediaBrowser.Server.Implementations/ScheduledTasks/VideoImagesTask.cs
+++ b/MediaBrowser.Server.Implementations/ScheduledTasks/VideoImagesTask.cs
@@ -5,6 +5,7 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Controller.Providers.MediaInfo;
 using MediaBrowser.Model.Entities;
 using System;
@@ -43,6 +44,8 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         /// </summary>
         private readonly IIsoManager _isoManager;
 
+        private readonly IItemRepository _itemRepo;
+        
         private readonly ILogger _logger;
         
         /// <summary>
@@ -67,11 +70,12 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         /// <param name="logManager">The log manager.</param>
         /// <param name="mediaEncoder">The media encoder.</param>
         /// <param name="isoManager">The iso manager.</param>
-        public VideoImagesTask(ILibraryManager libraryManager, ILogManager logManager, IMediaEncoder mediaEncoder, IIsoManager isoManager)
+        public VideoImagesTask(ILibraryManager libraryManager, ILogManager logManager, IMediaEncoder mediaEncoder, IIsoManager isoManager, IItemRepository itemRepo)
         {
             _libraryManager = libraryManager;
             _mediaEncoder = mediaEncoder;
             _isoManager = isoManager;
+            _itemRepo = itemRepo;
             _logger = logManager.GetLogger(GetType().Name);
 
             ImageCache = new FileSystemRepository(Kernel.Instance.FFMpegManager.VideoImagesDataPath);
@@ -205,15 +209,18 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         {
             var allItems = sourceItems.ToList();
 
-            var localTrailers = allItems.SelectMany(i => i.LocalTrailers);
-            var themeVideos = allItems.SelectMany(i => i.ThemeVideos);
+            var localTrailers = allItems.SelectMany(i => _itemRepo.GetItems(i.LocalTrailerIds).Cast<Video>());
+
+            var themeVideos = allItems.SelectMany(i => _itemRepo.GetItems(i.ThemeVideoIds).Cast<Video>());
 
             var videos = allItems.OfType<Video>().ToList();
 
             var items = videos;
             items.AddRange(localTrailers);
+
             items.AddRange(themeVideos);
-            items.AddRange(videos.OfType<Movie>().SelectMany(i => i.SpecialFeatures).ToList());
+
+            items.AddRange(videos.OfType<Movie>().SelectMany(i => _itemRepo.GetItems(i.SpecialFeatureIds).Cast<Video>()).ToList());
 
             return items.Where(i =>
             {
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteDisplayPreferencesRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteDisplayPreferencesRepository.cs
index ab03bdd7d..93bb174c6 100644
--- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteDisplayPreferencesRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteDisplayPreferencesRepository.cs
@@ -132,29 +132,31 @@ namespace MediaBrowser.Server.Implementations.Sqlite
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "replace into displaypreferences (id, data) values (@1, @2)";
-            cmd.AddParam("@1", displayPreferences.Id);
-            cmd.AddParam("@2", serialized);
-
-            using (var tran = connection.BeginTransaction())
+            using (var cmd = connection.CreateCommand())
             {
-                try
-                {
-                    cmd.Transaction = tran;
+                cmd.CommandText = "replace into displaypreferences (id, data) values (@1, @2)";
+                cmd.AddParam("@1", displayPreferences.Id);
+                cmd.AddParam("@2", serialized);
 
-                    await cmd.ExecuteNonQueryAsync(cancellationToken);
+                using (var tran = connection.BeginTransaction())
+                {
+                    try
+                    {
+                        cmd.Transaction = tran;
 
-                    tran.Commit();
-                }
-                catch (OperationCanceledException)
-                {
-                    tran.Rollback();
-                }
-                catch (Exception e)
-                {
-                    Logger.ErrorException("Failed to commit transaction.", e);
-                    tran.Rollback();
+                        await cmd.ExecuteNonQueryAsync(cancellationToken);
+
+                        tran.Commit();
+                    }
+                    catch (OperationCanceledException)
+                    {
+                        tran.Rollback();
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.ErrorException("Failed to commit transaction.", e);
+                        tran.Rollback();
+                    }
                 }
             }
         }
@@ -174,7 +176,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
 
             var cmd = connection.CreateCommand();
             cmd.CommandText = "select data from displaypreferences where id = @id";
-            
+
             var idParam = cmd.Parameters.Add("@id", DbType.Guid);
             idParam.Value = displayPreferencesId;
 
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteItemRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteItemRepository.cs
index a3d184888..9138baad0 100644
--- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteItemRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteItemRepository.cs
@@ -1,3 +1,4 @@
+using System.Linq;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Persistence;
@@ -156,16 +157,32 @@ namespace MediaBrowser.Server.Implementations.Sqlite
         /// <param name="id">The id.</param>
         /// <returns>BaseItem.</returns>
         /// <exception cref="System.ArgumentException"></exception>
-        public BaseItem RetrieveItem(Guid id)
+        public BaseItem GetItem(Guid id)
         {
             if (id == Guid.Empty)
             {
-                throw new ArgumentException();
+                throw new ArgumentNullException("id");
             }
 
             return RetrieveItemInternal(id);
         }
 
+        /// <summary>
+        /// Retrieves the items.
+        /// </summary>
+        /// <param name="ids">The ids.</param>
+        /// <returns>IEnumerable{BaseItem}.</returns>
+        /// <exception cref="System.ArgumentNullException">ids</exception>
+        public IEnumerable<BaseItem> GetItems(IEnumerable<Guid> ids)
+        {
+            if (ids == null)
+            {
+                throw new ArgumentNullException("ids");
+            }
+
+            return ids.Select(RetrieveItemInternal);
+        }
+
         /// <summary>
         /// Internal retrieve from items or users table
         /// </summary>
@@ -176,35 +193,37 @@ namespace MediaBrowser.Server.Implementations.Sqlite
         {
             if (id == Guid.Empty)
             {
-                throw new ArgumentException();
+                throw new ArgumentNullException("id");
             }
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "select obj_type,data from items where guid = @guid";
-            var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
-            guidParam.Value = id;
-
-            using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
+            using (var cmd = connection.CreateCommand())
             {
-                if (reader.Read())
+                cmd.CommandText = "select obj_type,data from items where guid = @guid";
+                var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
+                guidParam.Value = id;
+
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
                 {
-                    var type = reader.GetString(0);
-                    using (var stream = GetStream(reader, 1))
+                    if (reader.Read())
                     {
-                        var itemType = _typeMapper.GetType(type);
-
-                        if (itemType == null)
+                        var type = reader.GetString(0);
+                        using (var stream = GetStream(reader, 1))
                         {
-                            Logger.Error("Cannot find type {0}.  Probably belongs to plug-in that is no longer loaded.", type);
-                            return null;
-                        }
+                            var itemType = _typeMapper.GetType(type);
 
-                        var item = _jsonSerializer.DeserializeFromStream(stream, itemType);
-                        return item as BaseItem;
+                            if (itemType == null)
+                            {
+                                Logger.Error("Cannot find type {0}.  Probably belongs to plug-in that is no longer loaded.", type);
+                                return null;
+                            }
+
+                            var item = _jsonSerializer.DeserializeFromStream(stream, itemType);
+                            return item as BaseItem;
+                        }
                     }
                 }
+                return null;
             }
-            return null;
         }
 
         /// <summary>
@@ -220,30 +239,32 @@ namespace MediaBrowser.Server.Implementations.Sqlite
                 throw new ArgumentNullException();
             }
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "select obj_type,data from items where guid in (select child from children where guid = @guid)";
-            var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
-            guidParam.Value = parent.Id;
-
-            using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
+            using (var cmd = connection.CreateCommand())
             {
-                while (reader.Read())
-                {
-                    var type = reader.GetString(0);
+                cmd.CommandText = "select obj_type,data from items where guid in (select child from children where guid = @guid)";
+                var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
+                guidParam.Value = parent.Id;
 
-                    using (var stream = GetStream(reader, 1))
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
+                {
+                    while (reader.Read())
                     {
-                        var itemType = _typeMapper.GetType(type);
-                        if (itemType == null)
+                        var type = reader.GetString(0);
+
+                        using (var stream = GetStream(reader, 1))
                         {
-                            Logger.Error("Cannot find type {0}.  Probably belongs to plug-in that is no longer loaded.", type);
-                            continue;
-                        }
-                        var item = _jsonSerializer.DeserializeFromStream(stream, itemType) as BaseItem;
-                        if (item != null)
-                        {
-                            item.Parent = parent;
-                            yield return item;
+                            var itemType = _typeMapper.GetType(type);
+                            if (itemType == null)
+                            {
+                                Logger.Error("Cannot find type {0}.  Probably belongs to plug-in that is no longer loaded.", type);
+                                continue;
+                            }
+                            var item = _jsonSerializer.DeserializeFromStream(stream, itemType) as BaseItem;
+                            if (item != null)
+                            {
+                                item.Parent = parent;
+                                yield return item;
+                            }
                         }
                     }
                 }
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs
index 897ece764..6aeb63d9b 100644
--- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs
@@ -121,13 +121,14 @@ namespace MediaBrowser.Server.Implementations.Sqlite
             {
                 try
                 {
-                    var cmd = connection.CreateCommand();
-
-                    foreach (var query in queries)
+                    using (var cmd = connection.CreateCommand())
                     {
-                        cmd.Transaction = tran;
-                        cmd.CommandText = query;
-                        cmd.ExecuteNonQuery();
+                        foreach (var query in queries)
+                        {
+                            cmd.Transaction = tran;
+                            cmd.CommandText = query;
+                            cmd.ExecuteNonQuery();
+                        }
                     }
 
                     tran.Commit();
@@ -268,6 +269,9 @@ namespace MediaBrowser.Server.Implementations.Sqlite
                         command.Transaction = tran;
 
                         command.ExecuteNonQuery();
+
+                        command.Dispose();
+
                         numCommands++;
                     }
 
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs
index 8b4dcd49d..4e3f17750 100644
--- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs
@@ -184,30 +184,32 @@ namespace MediaBrowser.Server.Implementations.Sqlite
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "replace into userdata (key, userId, data) values (@1, @2, @3)";
-            cmd.AddParam("@1", key);
-            cmd.AddParam("@2", userId);
-            cmd.AddParam("@3", serialized);
-
-            using (var tran = connection.BeginTransaction())
+            using (var cmd = connection.CreateCommand())
             {
-                try
-                {
-                    cmd.Transaction = tran;
+                cmd.CommandText = "replace into userdata (key, userId, data) values (@1, @2, @3)";
+                cmd.AddParam("@1", key);
+                cmd.AddParam("@2", userId);
+                cmd.AddParam("@3", serialized);
 
-                    await cmd.ExecuteNonQueryAsync(cancellationToken);
+                using (var tran = connection.BeginTransaction())
+                {
+                    try
+                    {
+                        cmd.Transaction = tran;
 
-                    tran.Commit();
-                }
-                catch (OperationCanceledException)
-                {
-                    tran.Rollback();
-                }
-                catch (Exception e)
-                {
-                    Logger.ErrorException("Failed to commit transaction.", e);
-                    tran.Rollback();
+                        await cmd.ExecuteNonQueryAsync(cancellationToken);
+
+                        tran.Commit();
+                    }
+                    catch (OperationCanceledException)
+                    {
+                        tran.Rollback();
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.ErrorException("Failed to commit transaction.", e);
+                        tran.Rollback();
+                    }
                 }
             }
         }
@@ -245,27 +247,29 @@ namespace MediaBrowser.Server.Implementations.Sqlite
         /// <returns>Task{UserItemData}.</returns>
         private async Task<UserItemData> RetrieveUserData(Guid userId, string key)
         {
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "select data from userdata where key = @key and userId=@userId";
-
-            var idParam = cmd.Parameters.Add("@key", DbType.String);
-            idParam.Value = key;
-
-            var userIdParam = cmd.Parameters.Add("@userId", DbType.Guid);
-            userIdParam.Value = userId;
-
-            using (var reader = await cmd.ExecuteReaderAsync(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow).ConfigureAwait(false))
+            using (var cmd = connection.CreateCommand())
             {
-                if (reader.Read())
+                cmd.CommandText = "select data from userdata where key = @key and userId=@userId";
+
+                var idParam = cmd.Parameters.Add("@key", DbType.String);
+                idParam.Value = key;
+
+                var userIdParam = cmd.Parameters.Add("@userId", DbType.Guid);
+                userIdParam.Value = userId;
+
+                using (var reader = await cmd.ExecuteReaderAsync(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow).ConfigureAwait(false))
                 {
-                    using (var stream = GetStream(reader, 0))
+                    if (reader.Read())
                     {
-                        return _jsonSerializer.DeserializeFromStream<UserItemData>(stream);
+                        using (var stream = GetStream(reader, 0))
+                        {
+                            return _jsonSerializer.DeserializeFromStream<UserItemData>(stream);
+                        }
                     }
                 }
-            }
 
-            return new UserItemData();
+                return new UserItemData();
+            }
         }
     }
 }
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs
index b95a54156..eb5868932 100644
--- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs
@@ -127,29 +127,31 @@ namespace MediaBrowser.Server.Implementations.Sqlite
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "replace into users (guid, data) values (@1, @2)";
-            cmd.AddParam("@1", user.Id);
-            cmd.AddParam("@2", serialized);
-
-            using (var tran = connection.BeginTransaction())
+            using (var cmd = connection.CreateCommand())
             {
-                try
-                {
-                    cmd.Transaction = tran;
+                cmd.CommandText = "replace into users (guid, data) values (@1, @2)";
+                cmd.AddParam("@1", user.Id);
+                cmd.AddParam("@2", serialized);
 
-                    await cmd.ExecuteNonQueryAsync(cancellationToken);
+                using (var tran = connection.BeginTransaction())
+                {
+                    try
+                    {
+                        cmd.Transaction = tran;
 
-                    tran.Commit();
-                }
-                catch (OperationCanceledException)
-                {
-                    tran.Rollback();
-                }
-                catch (Exception e)
-                {
-                    Logger.ErrorException("Failed to commit transaction.", e);
-                    tran.Rollback();
+                        await cmd.ExecuteNonQueryAsync(cancellationToken);
+
+                        tran.Commit();
+                    }
+                    catch (OperationCanceledException)
+                    {
+                        tran.Rollback();
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.ErrorException("Failed to commit transaction.", e);
+                        tran.Rollback();
+                    }
                 }
             }
         }
@@ -160,17 +162,19 @@ namespace MediaBrowser.Server.Implementations.Sqlite
         /// <returns>IEnumerable{User}.</returns>
         public IEnumerable<User> RetrieveAllUsers()
         {
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "select data from users";
-
-            using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
+            using (var cmd = connection.CreateCommand())
             {
-                while (reader.Read())
+                cmd.CommandText = "select data from users";
+
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
                 {
-                    using (var stream = GetStream(reader, 0))
+                    while (reader.Read())
                     {
-                        var user = _jsonSerializer.DeserializeFromStream<User>(stream);
-                        yield return user;
+                        using (var stream = GetStream(reader, 0))
+                        {
+                            var user = _jsonSerializer.DeserializeFromStream<User>(stream);
+                            yield return user;
+                        }
                     }
                 }
             }
@@ -197,12 +201,14 @@ namespace MediaBrowser.Server.Implementations.Sqlite
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            var cmd = connection.CreateCommand();
-            cmd.CommandText = "delete from users where guid=@guid";
-            var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
-            guidParam.Value = user.Id;
+            using (var cmd = connection.CreateCommand())
+            {
+                cmd.CommandText = "delete from users where guid=@guid";
+                var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
+                guidParam.Value = user.Id;
 
-            return ExecuteCommand(cmd);
+                return ExecuteCommand(cmd);
+            }
         }
     }
 }
diff --git a/MediaBrowser.ServerApplication/LibraryExplorer.xaml.cs b/MediaBrowser.ServerApplication/LibraryExplorer.xaml.cs
index a50d451de..f7b3b27c6 100644
--- a/MediaBrowser.ServerApplication/LibraryExplorer.xaml.cs
+++ b/MediaBrowser.ServerApplication/LibraryExplorer.xaml.cs
@@ -175,16 +175,9 @@ namespace MediaBrowser.ServerApplication
             {
                 var item = (BaseItem)(tvwLibrary.SelectedItem as TreeViewItem).Tag;
                 lblObjType.Content = "Type: " + item.GetType().Name;
-                var trailers = item.LocalTrailers != null && item.LocalTrailers.Count > 0
-                                   ? "\nTrailers: " +
-                                     String.Join(Environment.NewLine, item.LocalTrailers.Select(t => t.Path))
-                                   : "";
+
                 var movie = item as Movie;
-                var features = movie != null && movie.SpecialFeatures != null
-                                   ? "\nSpecial Features: " +
-                                     string.Join(Environment.NewLine,
-                                                 movie.SpecialFeatures.Select(f => f.Path))
-                                   : "";
+
                 var folder = item as Folder;
                 if (folder != null)
                 {
@@ -222,7 +215,7 @@ namespace MediaBrowser.ServerApplication
                     lblIndexBy.Visibility = ddlIndexBy.Visibility = ddlSortBy.Visibility = lblSortBy.Visibility = Visibility.Hidden;
 
                 }
-                txtData.Text = FormatJson(_jsonSerializer.SerializeToString(item)) + trailers + features;
+                txtData.Text = FormatJson(_jsonSerializer.SerializeToString(item));
 
                 var previews = new List<PreviewItem>();
                 await Task.Run(() =>