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Bug#465122: dd uses a lot of memory

Martin Michlmayr wrote:
> * Joey Hess <joeyh@debian.org> [2008-02-10 17:22]:
> > > Do you have a patch? :)
> > Not yet. Do you remember why it uses ibs?
> Here's what svn log says, but I really don't understand dd very well.
> This was based on a comment on a mailing list or something.

It does makes sense that a larger buffer size than the default 512
bytes (not 1 byte AFAIK) would speed it up somewhat, by saving syscall

If there's a common divisor, like a block size, and it's reasonably big
(a few K), it'd make sense to use that.

see shy jo

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