Ron JacobsThe New WCF / WF EvangelistLocking in SqlWorkflowPersistenceService- June 27, 2008 In my previous post I was thinking about persisted workflows in a server farm and thinking about how optimistic and pessimistic locking affects the operation of workflows in a server farm. I said that the default behavior of the SqlWorkflowPersistenceService is to use pessimistic locking.&160; I was partially correct. It turns out that the default behavior varies depending upon the constructor you use.&160; There are three constructors for the SqlWorkflowPersistenceService class.&160; For the.http://blogs.msdn.com/rjacobs/archive/2008/06/27/locking-in-sqlworkflowpersistenceservice.... Putting the "You" in Usability- June 26, 2008 Have you ever used a product and found it difficult at first&160; Or maybe I should say, when have you not found this to be true&160; Some things are just easy to pick up and use.&160; In fact, the best products don't even require much documentation because they are just that intuitive.&160; I'm happy to say that many product teams are now engaging in the discipline of usability testing and today I was the guinea pig in a usability test. The product provides useful functionality in a library...http://blogs.msdn.com/rjacobs/archive/2008/06/26/putting-the-you-in-usability.aspx Using Windows Workflow with WCF on a Load Balanced Server Farm- June 25, 2008 This morning I was in an interesting email thread with some of my Microsoft colleagues about the use of Windows Workflow Foundation (WF) on a load balanced server farm.&160; The question that started the whole thing was that a customer had asked their local Microsoft representative if there were any "issues" to think about when using WF on a server farm. To be honest with you my first response was... why not use BizTalk for that&160; After all BizTalk has support for enterprise scale.http://blogs.msdn.com/rjacobs/archive/2008/06/25/using-windows-workflow-with-wcf-on-a-load... Help - My Head Is Exploding- June 25, 2008 At Tech-Ed this year I felt a new vibe from the people I talked to.&160; This feeling has been there before but this year it was even more pronounced.&160; It was the feeling that your brain just couldn't take any more.&160; In the past we used to come out with a new wave of stuff every 3-4 years but now with various libraries and CTP and CodePlex projects I'm being hit with "cool" new stuff nearly every day. The problem is... I don't have time to look at all this stuff, much less...http://blogs.msdn.com/rjacobs/archive/2008/06/24/help-my-head-is-exploding.aspx |