Transaction flow - .Net tier response time contribution is empty

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Question by Sreerag M. · Apr 08, 2015 at 02:39 AM ·

Transaction flow - .Net tier response time contribution is empty

In one of our .net application instrumented with Dynatrace the .Net tier in transaction flow is showing empty contribution.

Below is the transaction floe for one single purepath.

The 'dotNet_FrontEnd' tier response time contribution is showing empty.

Also the web server contribution is almost equal to the total response time of the purepath

Could this be an issue with correlating events for purepaths?

Our DT version is 6.1.0.8054

-Sreerag

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Answer 1 · 2015-04-08T04:32:30Z

Answer by Andreas G. · Apr 08, 2015 at 04:32 AM

Would be interesting to see the PurePath. Might it be corrupted?

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Answer 2 · 2015-04-08T12:40:04Z

Answer by Sreerag M. · Apr 08, 2015 at 12:40 PM

Hi Andi,

The purepaths have green status. There are many purepaths that show this behavior.

I have uploaded one purepaths on the support ticket.

-Sreerag

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Answer 3 · 2015-04-09T01:53:49Z

Answer by Christian S. · Apr 09, 2015 at 01:53 AM

hi Sreerag,

just had a short look at your Session. based on the PurePath it's pretty clear why the Transaction Flow looks like it does: because the synchronous call back to the Web Server "steals" the time away from the .NET tier resulting in some quite weird timings in this PurePath.

however, the interesting question now is what this synchronous call back to the Web Server is all about.
that should be clarified in the course of the SUP ticket.

best,
Christian

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Sreerag M. · Apr 09, 2015 at 01:56 AM 0

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Thanks for looking into this Christian, We also were wondering what is that call back to web server. We are working with App team to try find out more on the expected request flow.

-Sreerag

Sreerag M. · Apr 10, 2015 at 04:45 AM 0

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Here are the technologies we use in the application

FrontEnd (HTML5, AngularJS, Modernizer)

BackEnd (WebAPI, MVC, IOC Framework)

the use of web API answers why there is an additional call to the web server layer.

-Sreerag

Transaction flow - .Net tier response time contribution is empty

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