* experimental: Once we've received all the required assets from the asset service, launch the actual writing of the archive on a separate thread (to stop tieing up the asset cache received notifier thread)

OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequest.cs

@@ -32,6 +32,7 @@ using OpenSim.Region.Environment.Modules.World.Serialiser;
 using OpenSim.Region.Environment.Scenes;
 using System.Collections.Generic;
 using System.Reflection;
+using System.Threading;
 using libsecondlife;
 using log4net;
 using Nini.Config;
@@ -215,9 +216,20 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
             m_assets[assetID] = asset;
 
             if (m_assets.Count == m_repliesRequired)
+            {
+                // We want to stop using the asset cache thread asap as we now need to do the actual work of producing the archive
+                Thread newThread = new Thread(PerformAssetsRequestCallback);
+                newThread.Name = "OpenSimulator archiving thread post assets receipt";
+                newThread.Start();
+            }
+        }
+        
+        /// <summary>
+        /// Perform the callback on the original requester of the assets
+        /// </summary>
+        protected void PerformAssetsRequestCallback()        
         {
             m_assetsRequestCallback(m_assets);
         }
     }
-    }
 }