This simple command displays the name of the variables in the current kernel in Jupyter notebooks, whichi are clogging our memory resources the most.

import sys
def sizeof_fmt(num, suffix='B'):
    ''' by Fred Cirera,  https://stackoverflow.com/a/1094933/1870254, modified'''
    for unit in ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']:
        if abs(num) < 1024.0:
            return "%3.1f %s%s" % (num, unit, suffix)
        num /= 1024.0
    return "%.1f %s%s" % (num, 'Yi', suffix)

for name, size in sorted(((name, sys.getsizeof(value)) for name, value in locals().items()), key= lambda x: -x[1])[:10]:
    print("{:>30}: {:>8}".format(name, sizeof_fmt(size)))

Finding and deleting memory hungry temporary variables in jupyter notebooks

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