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Posted to github@arrow.apache.org by "liningpan (via GitHub)" <gi...@apache.org> on 2025/12/27 01:15:03 UTC

Re: [I] [Python] Dataset.to_batches() / ParquetFileFragment.to_batches() hang forever [arrow]

liningpan commented on issue #45214:
URL: https://github.com/apache/arrow/issues/45214#issuecomment-3693542494

   I did some testing. It appears that this only happens when calling with `filesystem=HfFileSystem()`. The program exits normally when using a file on disk. Additionally, when using the HF filesystem, if I pass `use_threads=False` when calling `to_batches`, the program hung for a long time but eventually exited.
   
   I am really familiar with Cython and async C++ though.


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