Jan Sellner

You are right! I just tested in a Windows Sandbox with the default Python interpreter and it worked indeed. I am a bit surprised, I thought conda uses the same...

We did some further testing and have some additional insights for this problem. We compared file reading of NumPy's [memmap](https://numpy.org/doc/stable/reference/generated/numpy.memmap.html) with blosc2 and observed the file accesses with `inotify`. Preparation:...

@FrancescAlted Thank you very much for your support, the API hints were really helpful :-) We could reproduce the issue in our NFS infrastructure and can also report that `mmap`...

I would like to add my two cents on this topic. I have been using the same approach as described here for animations on my [website](https://milania.de/) for quite some time...