cyb70289 commented on pull request #11588:
URL: https://github.com/apache/arrow/pull/11588#issuecomment-958605062


   Thanks for the PR.
   I'm not sure if exposing madvise options is beneficial. If we expose 
`RANDOM`, then why not `SEQUENTIAL`?
   I prefer don't expose these access pattern related options, just let OS do 
the job.
   `WILLNEED` is a useful option IMO, I suppose OS won't invent a reading 
without hints.


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