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python Programming Glossary: shmPython multiprocessing: Permission denied http://stackoverflow.com/questions/2009278/python-multiprocessing-permission-denied to work the users need r w access to shared memory dev shm . Check the permissions to dev shm . On my laptop Ubuntu it.. to shared memory dev shm . Check the permissions to dev shm . On my laptop Ubuntu it looks like this ls ld dev shm drwxrwxrwt.. dev shm . On my laptop Ubuntu it looks like this ls ld dev shm drwxrwxrwt 2 root root 40 2010 01 05 20 34 shm To permanently..
Django Celery implementation - OSError : [Errno 38] Function not implemented http://stackoverflow.com/questions/3314031/django-celery-implementation-oserror-errno-38-function-not-implemented same issue on ubuntu 10 even after full rights on shmem are given problem still here... UP finally done dev shm was.. shmem are given problem still here... UP finally done dev shm was not mounted. so add shm to fstab mount shm set full 777.. here... UP finally done dev shm was not mounted. so add shm to fstab mount shm set full 777 permissions on dev shm share..
How do I pass large numpy arrays between python subprocesses without saving to disk? http://stackoverflow.com/questions/5033799/how-do-i-pass-large-numpy-arrays-between-python-subprocesses-without-saving-to-d use it with multiprocessing like this import sharedmem as shm import numpy as np import multiprocessing as mp def worker q.. rnd arr rnd q.task_done if __name__ '__main__' N 10 arr shm.zeros N dtype np.uint8 q mp.JoinableQueue proc mp.Process target..
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