I am having issue with RDS Aurora Postgresql's root storage (which is used for Temp files/tables and Logs) since its basically 2*PhysicalMemory. I thought of creating a new tablespace in data storage path and assign the path in temp_tablespaces in configuration file. As per my understanding, root storage and data storage both using EBS. If my application generates more temp files, will it impact anything in terms of cost and performance.

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