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flex exception designed for non-time sensitive jobs
FLEX is how you lower Glue cost when you dont have urgency to run ETLs.
The FLEX execution class leverages spare capacity within the AWS infrastructure to run Glue jobs at a discounted price compared to the standard execution class. Since the data engineer doesn't have specific time constraints, utilizing spare capacity is ideal for cost savings. Today's date its a checkbox in order to spare capacity and will mean we dont know when is going to finish, which is recommended to increase a timeout