Memory leak on pickle inside a for loop forcing a memory error

Question

I have huge array objects that are pickled with the python pickler.

I am trying to unpickle them and reading out the data in a for loop. Every time I am done reading and

Answer 1

Python memory management does not free memory to OS till the process is running.

Running the for loop with a subprocess to call the script helped me solved the issue. Thanks for the feedbacks.