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Alex Martinez
Alex Martinez

Posted on • Edited on

Using time() and duration() in DataWeave for performance check

#mulesoft #dataweave #performance #programming

You can use duration() to get the total number of milliseconds it took to execute a function.

Script:

%dw 2.0 output application/json import duration from dw::util::Timer fun myFunc() = [1, 2, 3] reduce $+$$ --- duration(() -> myFunc())
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Output:

{ "time": 0, "result": 6 }
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You can use time() to get an even more detailed result of when the function started and ended. This will give you more insight into the total time it took to execute.

Script:

%dw 2.0 output application/json import time from dw::util::Timer fun myFunc() = [1, 2, 3] reduce $+$$ --- time(() -> myFunc())
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Output:

{ "start": "2023-03-21T16:00:21.487377Z", "result": 6, "end": "2023-03-21T16:00:21.487408Z" }
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This way you can use - to get the total number of time.

Script:

%dw 2.0 output application/json import time from dw::util::Timer fun myFunc() = [1, 2, 3] reduce $+$$ var funcResult = time(() -> myFunc()) --- funcResult.end - funcResult.start
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Output:

"PT0.000024S"
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