Why does ZipFile.Source.readFullyAt read in chunks?

[Eirik Bjørsnøs]

On Sat, Jan 28, 2023 at 6:06 PM Alan Bateman <Alan.Bateman at oracle.com>
wrote:

> 8k is the threshold at which RAF spills into a temporary malloc'ed
> buffer for the I/O operation. At some point the RAF implementation will
> be replaced (we need to do this for a Project Loom), but in the mean
> time, it probably would require testing on a wide set of platforms and
> conditions to see the impact.
>

Makes sense!

Would it be worth going through a PR to add a comment to document this
somewhat obscure code?

https://github.com/openjdk/jdk/compare/master...eirbjo:jdk:raf-buf-threshold

Thanks,
Eirik.
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