private async static Task Insert(List <Importer> importers) { using (var context = new DataAcces()) { context.Database.SetCommandTimeout(0); var bulkConfig = new EFCore.BulkExtensions.BulkConfig { PreserveInsertOrder = true, SetOutputIdentity = true, BatchSize = int.MaxValue, UseTempDB = false, CalculateStats = true }; await context.BulkInsertAsync(importers, typeof(Importer), bulkConfig, null, default); } }