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Hello Klimok,
Thanks for sharing your thoughts on this.
I had another thing in mind when I wrote this question, but as the video suggests, using an instance fleet (spot + on-demand for resiliency) for core nodes and spot instances as task nodes to help with the processing seems to be the better setup for the scenario. We’ll try to revise this question so that it better fits that design pattern/best practice.
Regards,
Carlo @ Tutorials Dojo