We can add a request_id for tasks that are not spawned by an HTTP request, for example scheduled or nightly tasks. That means you can match up all the tasks spawned by a single task, for example, create-night-billing spawns 4 tasks, those would all have the same idea. Not sure if that is helpful or not. Also it might be confusing to have a request_id for logs that were not started from a request so I have left it out.
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