Performance slows down in a looping sub-process.

Question

Hi Appian,

There is a Process model(A) and within it there is Process model(B) as sub-process.
When executing the process, it works fine with great performance for the first loop. (less than 1 sec)
But for the loops after the frist loop, the process performance slows down massively (more than 13~16 sec, at least 13 times the first loop performance.)

The preformance of the process slows down massively. And this is a critical problem for us.
What might be the reason for slow down of the performance.
And how could we fix this?

Thank you

shyamb · Accepted Answer

It is not recommend to chain thru a sub process. The subprocess node execute the subprocess instance in the same execution engine. I recommend using Start Process node instead.

Please share your use case.

adityag9712 · Answer

Hi, I do agree with Shyam, please remove the unnecessary chaining. We can use the Start Process Node if output is not expected.

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