1 files changed, 16 insertions, 1 deletions
diff --git a/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs b/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
index 67aa7f338..0c8fa8244 100644
--- a/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
+++ b/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
@@ -1,5 +1,6 @@
-using System;
+using System;
 using System.Linq;
+using System.Threading;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -19,9 +20,23 @@ namespace MediaBrowser.Controller.BaseItemManager
         public BaseItemManager(IServerConfigurationManager serverConfigurationManager)
         {
             _serverConfigurationManager = serverConfigurationManager;
+
+            MetadataRefreshThrottler = new Lazy<SemaphoreSlim>(() => {
+                var concurrency = _serverConfigurationManager.Configuration.LibraryMetadataRefreshConcurrency;
+
+                if (concurrency <= 0)
+                {
+                    concurrency = Environment.ProcessorCount;
+                }
+
+                return new SemaphoreSlim(concurrency);
+            });
         }
 
         /// <inheritdoc />
+        public Lazy<SemaphoreSlim> MetadataRefreshThrottler { get; private set; }
+
+        /// <inheritdoc />
         public bool IsMetadataFetcherEnabled(BaseItem baseItem, LibraryOptions libraryOptions, string name)
         {
             if (baseItem is Channel)