Pandas GroupBy memory deallocation

Question

Problem

I noticed that memory allocated while iterating through a Pandas GroupBy object is not deallocated after iteration. I use resource.getrusage(resource.RUSA

Answer 1

Memory Weirdness

This is very interesting! You do not need del idx, x. Only using gc.collect() worked to keep memory constant for me. This is much cleaner that having the del statements inside the loop.