You are designing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010. The application includes Windows Workflow Foundation (WF) hosts that run thousands of workflow…

You are designing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010. The application includes Windows Workflow Foundation (WF) hosts that run thousands of workflow instances. Workflows usually take 2 hours of time to complete. The application also includes a Windows Communication Foundation (WCF) service that contains a method to check the completion status of a workflow stored in a database. External applications that use the WCF service to check the status of workflows every minute causes performance degradation of the workflow that hosts the application. You need to eliminate the performance degradation caused by workflow status checks. What should you do?