wait for currently running jobs to finish #2

Author: serxa

programs/server/Server.cpp

@@ -1746,7 +1746,10 @@ try
     // to avoid simultaneously running table startups and destructing databases.
     SCOPE_EXIT_SAFE(
         LOG_INFO(log, "Stopping AsyncLoader.");
-        global_context->getAsyncLoader().stopAndDoNotWait(); // Note that currently running jobs will proceed
+
+        // Waits for all currently running jobs to finish and do not run any other pending jobs.
+        // Pending jobs will be canceled and destructed later by `load_metadata_tasks` dtor.
+        global_context->getAsyncLoader().stop();
     );
 
     try