V9/tmp nucache lock (#12149)

* wrapping SetAllFastSortedLocked in try catch

* Potential issue mitigation by retrieving all data from the database at once instead of one at a time while populating the NuCache file.

* Moved content retrieval to within the try-catch block.

* using InGroupsOf() to retrieve content without loading absolutely everything into memory.

* added "old" method signatures to prevent breaking change in ContentStore

* Revert code style cleanups for clarity

Co-authored-by: Sebastiaan Janssen <sebastiaan@umbraco.com>

src/Umbraco.Core/Configuration/Models/NuCacheSettings.cs

@@ -13,6 +13,7 @@ namespace Umbraco.Cms.Core.Configuration.Models
     {
         internal const string StaticNuCacheSerializerType = "MessagePack";
         internal const int StaticSqlPageSize = 1000;
+        internal const int StaticKitBatchSize = 1;
 
         /// <summary>
         /// Gets or sets a value defining the BTree block size.
@@ -31,6 +32,12 @@ namespace Umbraco.Cms.Core.Configuration.Models
         [DefaultValue(StaticSqlPageSize)]
         public int SqlPageSize { get; set; } = StaticSqlPageSize;
 
+        /// <summary>
+        /// The size to use for nucache Kit batches.  Higher value means more content loaded into memory at a time.
+        /// </summary>
+        [DefaultValue(StaticKitBatchSize)]
+        public int KitBatchSize { get; set; } = StaticKitBatchSize;
+
         public bool UnPublishedContentCompression { get; set; } = false;
     }
 }