STINNER Victor added the comment: I'm unable to reproduce any memory leak on subprocess itself: --- import tracemalloc; tracemalloc.start() import subprocess, gc
def func(loops) : for x in range(loops): proc = subprocess.Popen(['true']) with proc: proc.wait() # warmup func(10) gc.collect();gc.collect();gc.collect() print(tracemalloc.get_traced_memory()[1]) func(100) gc.collect();gc.collect();gc.collect() print(tracemalloc.get_traced_memory()[1]) gc.collect();gc.collect();gc.collect() print(tracemalloc.get_traced_memory()[1]) func(100) gc.collect();gc.collect();gc.collect() print(tracemalloc.get_traced_memory()[1]) --- Output on Fedora 24 (Linux) and Python 3.5: --- 996450 996450 996450 996450 --- ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue28165> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com