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PDC09: Windows Workflow Foundation 4 from the Inside Out

Note: Cross posted from Sajay . Permalink Read More...

Posted Tuesday, November 24, 2009 1:28 PM by Sajay | 0 Comments

WCF vs Windows Web Services (WWS)

Note: Cross posted from Sajay . Permalink Here was an interesting set of questions comparing WCF & WWS 1) With .NET 4.0, are we going to see any improvement Read More...

Posted Thursday, November 19, 2009 11:58 AM by Sajay | 0 Comments

WCF Performance Counters

Note: Cross posted from Sajay . Permalink We generally need to have a quick set of performance counters to identify a performance issue with a service. Shown below are three new counters that you will find with WCF 4.0. I also want to emphasize on the Read More...

Posted Monday, September 14, 2009 11:50 PM by Sajay | 0 Comments

How do I get the Message Body as an XElement?

Note: Cross posted from Sajay . Permalink This was one was interesting as the service was exposed as a fully typed service, but the client wanted to modify some parts of the xml. Ideally you can plug into any part to perform these operations, but the Read More...

Posted Wednesday, September 02, 2009 10:41 PM by Sajay | 0 Comments

HTTP polling duplex - Performance

Note: Cross posted from Sajay . Permalink Really good article on Performance of HTTP polling duplex server-side channel in Microsoft Silverlight 3 by Tomek from the ServiceModel/SL team. http://tomasz.janczuk.org/2009/08/performance-of-http-polling-duplex.htm Read More...

Posted Friday, August 28, 2009 8:41 AM by Sajay | 0 Comments

Applying behaviors on the client channel

Note: Cross posted from Sajay . Permalink When we need to modify or see the message before its sent or after its received, we generally can use a Message inspector. However sometimes we want to be a bit more granular. One such requirement was to perform Read More...

Posted Friday, August 28, 2009 12:58 AM by Sajay | 0 Comments

WCF 4: AddDefaultEndpoints

Note: Cross posted from Sajay . Permalink Here is another little goodie we have which will help in reducing configuration. You can use the ServiceHostBase.AddDefaultEndpoints which will pretty much probe your service implementation for contracts and expose Read More...

Posted Monday, August 17, 2009 5:38 PM by Sajay | 0 Comments

Filed under: WS-* and WCF

How do I get the workflow InstanceId?

Note: Cross posted from Sajay . Permalink You can use a CodeActivity that returns a single result . public sealed class GetWorkflowInstanceId : CodeActivity<Guid> { protected override Guid Execute(CodeActivityContext context) { return context.WorkflowInstanceId; Read More...

Posted Friday, August 14, 2009 7:43 PM by Sajay | 0 Comments

Filed under: WF

Hello World Workflow Service 4.0

Note: Cross posted from Sajay . Permalink Building a workflow service using 4.0 gives a very neat set of capabilities from both WF and WCF. Similar to WCF we can fully define a workflow either in code or otherwise just using Xaml. Here I chose a fully Read More...

Posted Thursday, August 13, 2009 9:53 PM by Sajay | 0 Comments

Attachment(s): Program.cs

Channel9: Monitoring WF Services

Note: Cross posted from Sajay . Permalink 10-4 Episode 24: Monitoring Workflow Services by Ron Jacobs - One of the great advantages to building services with WCF and Windows Workflow 4 is that the environment is instrumented with loads of events that Read More...

Posted Tuesday, August 04, 2009 2:27 PM by Sajay | 0 Comments

Concurrent Receives - MaxPendingReceives

Note: Cross posted from Sajay . Permalink One of the performance improvements we did with WCF 4.0 was to enable concurrent receives. This greatly helps scenarios where we need to do some kind of work like DB authentication with username passwords or custom Read More...

Posted Monday, August 03, 2009 3:15 PM by Sajay | 0 Comments

ServiceThrottlingBehavior defaults for .NET 4

This is one of the new updates that you will find with the .NET 4 installation. This was a decision we reached after understanding the fact that almost all customers had to bump this number up to a sweet spot of around 100 sessions. However the initial Read More...

Posted Tuesday, July 21, 2009 1:59 PM by Sajay | 0 Comments

Filed under: WS-* and WCF

What to Measure?

Note: Cross posted from Sajay . Permalink If it doesn't run fast at first, it will run even slower later. Read More...

Posted Friday, June 12, 2009 10:37 PM by Sajay | 0 Comments

Performance Testing for Web application - NeXpert

Note: Cross posted from Sajay . Permalink Here is a quick way to get an idea of how long your request/response takes and a ton of more data regarding your payload. neXpert is an add-on to Fiddler Web Debugger which aids in performance testing web applications. Read More...

Posted Tuesday, June 09, 2009 9:07 AM by Sajay | 0 Comments

The Channel Pump

Note: Cross posted from Sajay . Permalink Deep dive - Nicholas Allen's talk on WCF performance and Scale - PowerPoint Deck - Webcast From the above talk you get an idea of the pull and the push model and a combination of these for certain channels. This Read More...

Posted Tuesday, June 09, 2009 9:04 AM by Sajay | 0 Comments