Re: LFS Support for Sendfile

Hans Reiser
2002-03-03T21:41:00Z

Chris Wedgwood wrote:

>On Thu, Feb 28, 2002 at 10:03:25AM +0200, Matti Aarnio wrote:
>
> The API (kernel syscall) as defined does not support LFS.
>
>I wonder does it really need to? I mean, a loop calling sendfile for
>2GB (or whatever) at a time is almost as good, if not better in some
>ways.
>
> The "extent based" filesystems offer flatter performance, and
> while I can't determine if ReiserFS is exactly of that type, it
> too offers fast and flat performance.
>
>Reiserfs (v3) isn't extent based but does perform pretty well. When I
>was messing large numbers of with (what at the time were) large files
>of 50GB or so, XFS proved to be very effective.
>
>
> --cw
>-
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>
extents are in reiserfs v4.0 (September ship date), and should offer
much improved performance for large files.

Hans