Question

我有一个使用Azure SQL数据库的MVC Azure Web App。

我刚刚在我的本地计算机上开发了一个新版本，并将其发布到我的Azure测试环境中，但它表现得有点奇怪：系统的某些部分工作，但是一个特定的部分（此版本没有更改）给出了以下错误：

System.Data.SqlClient.SqlException (0x80131904): Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding. 
---> System.ComponentModel.Win32Exception (0x80004005): The wait operation timed out

   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.SqlDataReader.TryConsumeMetaData()

   at System.Data.SqlClient.SqlDataReader.get_MetaData()

   at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption)

   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)

   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTdsWithTransparentParameterEncryption(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest, Task describeParameterEncryptionTask)

   at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)

   at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)

   at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)

   at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext,TResult](TTarget target, Func`3 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed)

   at System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.Reader(DbCommand command, DbCommandInterceptionContext interceptionContext)

   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreQueryInternal[TElement](String commandText, String entitySetName, ExecutionOptions executionOptions, Object[] parameters)

   at System.Data.Entity.Core.Objects.ObjectContext.<>c__DisplayClass69`1.<ExecuteStoreQueryReliably>b__68()

   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess)

   at System.Data.Entity.Core.Objects.ObjectContext.<>c__DisplayClass69`1.<ExecuteStoreQueryReliably>b__67()

   at System.Data.Entity.Infrastructure.DbExecutionStrategy.Execute[TResult](Func`1 operation)

   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreQueryReliably[TElement](String commandText, String entitySetName, ExecutionOptions executionOptions, Object[] parameters)

   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreQuery[TElement](String commandText, ExecutionOptions executionOptions, Object[] parameters)

   at System.Data.Entity.Internal.LazyEnumerator`1.MoveNext()

   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)

失败的部分调用存储过程来生成一些管理信息。它在我的本地环境和生产站点上工作正常，但在测试环境中失败。在有效的环境中，运行需要几分之一秒。

测试系统的其他部分工作正常，性能与平常一样。

Answer 1

原来，问题是数据库的定价层。

到目前为止，我一直在基础级别运行测试数据库，以降低成本。基本级别支持最大2GB的数据库。

当我导入生产数据库的最新副本时，它小于2GB，因此我被允许选择Basic，但是没有为存储过程使用的临时表留下足够的空间问题。

只要我切换到标准定价层并将数据库的最大大小增加到5GB，问题就会消失。

Azure SQL - System.ComponentModel.Win32Exception：等待操作超时

1 个答案: