Optimizing keys count

src/Orchard.Web/Modules/Orchard.Redis/Extensions/RedisDatabaseExtensions.cs

@@ -3,6 +3,7 @@ using StackExchange.Redis;
 
 namespace Orchard.Redis.Extensions {
     public static class RedisDatabaseExtensions {
+
         public static void KeyDeleteWithPrefix(this IDatabase database, string prefix) {
             if (database == null) {
                 throw new ArgumentException("Database cannot be null", "database");

src/Orchard.Web/Modules/Orchard.Redis/OutputCache/RedisOutputCacheStorageProvider.cs

@@ -75,7 +75,7 @@ namespace Orchard.Redis.OutputCache {
         }
 
         public int GetCacheItemsCount() {
-            return GetAllKeys().Count();
+            return Database.KeyCount(GetLocalizedKey("*"));
         }
 
         /// <summary>