Azure中的SqlBulkCopy超时

Azure中的SqlBulkCopy存在问题。Azure中的SqlBulkCopy超时

上下文如下：我们有一个约1000万行的表。每行有大约15列。

我们正在将这些数据迁移到我们的新模型中，并且这需要拆分数据，因此1行15列变为15行。

它在一开始就很完美。目标表现在包含17 767 235行，并且速度非常快。

此时，它开始抛出异常。

我做了一些修改来增加超时和使用批处理，但它似乎完全被阻塞。

原来这里是例外：

Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. 
The statement has been terminated.; TraceSource 'WaWorkerHost.exe' event Services.DataMigration.Edmi_IN_0 5/9/2014 2:44 PM 2 1508 280 

     at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) 
    at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) 
    at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) 
    at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) 
    at System.Data.SqlClient.SqlBulkCopy.RunParser(BulkCopySimpleResultSet bulkCopyHandler) 
    at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsyncContinuedOnSuccess(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source) 
    at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsyncContinued(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source) 
    at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsync(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source) 
    at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestContinuedAsync(BulkCopySimpleResultSet internalResults, CancellationToken cts, TaskCompletionSource`1 source) 
    at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestAsync(CancellationToken cts, TaskCompletionSource`1 source) 
    at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalAsync(CancellationToken ctoken) 
    at System.Data.SqlClient.SqlBulkCopy.WriteRowSourceToServerAsync(Int32 columnCount, CancellationToken ctoken) 
    at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table, DataRowState rowState)

来源

2014-05-09 Georges Legros