westonpace commented on PR #41801:
URL: https://github.com/apache/arrow/pull/41801#issuecomment-2130073358
> We could even imagine a more peculiar API
I think there is some interesting room to play here. If someone wanted to
really do some low level benchmarking work then I think two spots that would
benefit from this are:
* TCP communication - I think we would be blocked here because the AWS SDK
only gives us `istream` and so we don't have access to whatever buffers they
are working with.
* I/O u-ring - Using I/O uring efficiently requires exactly these kinds of
buffer sharing shenanigans.
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