> How can I make it so, all new python process share this data, so it is only > loaded a single time into memory? You can have one process as server and client ask for parts of data. You might be able to do something smart with mmap but I can't think of a way.
I Linux systems, if you first load the data and then fork, the OS will keep all the read only data shared. -- http://mail.python.org/mailman/listinfo/python-list
