Message 344584 - Python tracker

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Content 
Giampaolo Rodola':
> shutil.copyfile() already uses sendfile() which basically provides the same performances. sendfile() should be preferred though because it’s supported since Linux 2.6.33.

Pablo Galindo Salgado:
> But copy_file_rane can leverage more filesystem features like deduplication and copy offload stuff.

We can use copy_file_range() if available, or fallback to sendfile().