Is there some known issue about concurrency not working on multiple levels? e.g I have 3 levels of 'for each' and I'm wondering if that may cause the concurrency setting to not have any effect. There is an array variable that the deepest for-each is appending. The "middle loop" resets the array on every iteration and it is obviously running simultaenously because the array only gets populated when the reset has taken place on all iterations, only now it gets populated by ALL of the iterations.
I have set all the for-all loops to concurrency to 1 but the top-level loop runs keeps running rampant.
Could you share a screenshot of your flow configuration, please?
According to your description, do you want to have 3 for-each simultaneous run? You can click on this cross button and choose to add parallel branches.
Community Support Team _ Lin Tu
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No, there is a reason for nesting the loops, they are dependent. However, it looks like it was a misconception by me, The loops seem to run simultaneously, but using different environments, so the top level for-each will still start multiple loops running at the same time, but the embedded loops do not proceed. The action by the top level loop is applied immediately, but then the sub-loops take some time, and the result is correct. But the concurrency setting seem to be an abstract, I guess that in reality it is optimizing resources and running at the same time when it can.
Description about the Concurrency Control added to my confusion: "For each loops execute sequentially by default. Override the default setting to customize the degree of parallelism." So it will run sequentially by default, yet there is a warning about variable settings because of concurrency..? And wouldn't saying that a loop is run sequentially, be like saying that a loop loops?
Anyways, do I understand the description correctly in that the loop is running as if the concurrency setting was set at 1 by default?