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Posted to github@arrow.apache.org by "assignUser (via GitHub)" <gi...@apache.org> on 2024/09/03 00:53:13 UTC

Re: [I] [Python]: OSError: Write out of bounds (offset = 13784, size = 1496) in file of size 14638 [arrow]

assignUser commented on issue #43929:
URL: https://github.com/apache/arrow/issues/43929#issuecomment-2325425053

   Hey, thanks for the report. 
   No idea what causes the issue but have a question about what you are looking to achieve.
    
   I assume you are not just writing to disk but rather using this to do IPC? (based on `prefix_stream`) In that case why are you not using the  existing API: https://arrow.apache.org/docs/python/ipc.html#using-streams ? 
   
   If you just want to write to disk and keep the file memory mapped it's likely easier (and faster) to just write an arrow file to disk and mmap it after.


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