Until Activity Loop Exist consumes Lot of Time

Question

In my pipeline Until activity run for at least 7-8 hours. But until activity takes more than 2 hours to come out of the loop. Please let me know any work around for the same.

Thanks
Amol

Answer 1

I have created a pipeline with "Until" activity to execute API call until API call return response code as 6. This response code is assigned to a variable. If the variable value is equal to 6 the loop will exit.

Sometime API call returns the response code 6 with 2-3 minutes in that case "Until" activity takes 1 minute to exit the loop after receiving the response 6. Sometime API returns response code 6 after one hour but "Until" activity break the loop after 20 minutes. As the API call execute for more time the time taken to exit the loop also increases.

Sometimes all API calls runs for 8 hours and even the last activity inside the loop successfully got executed, but the "Until" activity runs for another 2 hours without doing nothing. I hope I am able to explain the problem.

Answer 2

Hi @Amol Rajmane ,
Welcome to Microsoft Q&A platform and thanks for posting your query.
As I understand your issue, you are using web activity and set variable activity inside Until block. Once all the child activities are executed, we expect until activity to be completed and come out of the loop but same is not happening in your case. It takes lots of time to come out of the loop. Please let me know if my understanding is incorrect.

Until activity inside ADF executes a set of activities in a loop until the condition associated with the activity evaluates to true. Your expectation is valid, it should break the loop once the conditions are met.

My suggestion would be to monitor the pipeline for certain period of time and check what is the max time it is taking for child activities to get completed and accordingly , update the timeout value for until activity.

Suppose, child activities take 2 hours maximum, then keep the timeout value of until activity as 140 mins or so having few minutes as buffer time.
Also, consider adding wait activity as well inside until block so that API doesn't get stuck by continuous hit.

Hope this will help. Please let us know if any further queries.

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