I use Pickle quite a lot for caching, a file read is almost always faster than a DB query. For long-term persistent data ? Seems very dangerous to me, even re

I use Pickle quite a lot for caching, a file read is almost always faster than a DB query. For long-term persistent data ? Seems very dangerous to me, even reading a pickle from say PyPy vs a Cython intepreter corrupts the damn thing.