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Re: CVS update: subversion/notes fs-improvements.txt

From: Greg Stein <gstein_at_lyra.org>
Date: 2001-04-17 03:16:41 CEST

On Mon, Apr 16, 2001 at 06:15:17PM -0500, Karl Fogel wrote:
> So Karl checks it in with a log message saying "Don't read this yet,
> it's just for Ben to read on the train because he has to go now", and
> Greg comments on excerpts to the dev list anyway.
>
> Don't worry, I'm not actually bothered, just amused. :-)
>
> I think some of your comments may be addressed in revisions I just
> committed, Greg. Not that you should read those yet either, like the
> log messages say. :-)

One word. "Heh"

>...
> > mod_dav_svn can usually tell the FS when it wants to read the whole thing,
> > versus a sequence of seek/read operations. That can allow the FS to tweak
> > its operation accordingly. (of course, on a "read entire", it will still
> > want to do PARTIAL gets of some specified size)
> >
> > Same for writes. We can tell the FS, "I'm going to write the whole darned
> > file", or "I'm going to write N bytes at offset O (which may extend the
> > file, but never shrink)."
>...

I figured this part might be of interest. You can certainly do your design
in a vacuum, but your main client who will be *using* the ranged get/put has
some info for you...

Cheers,
-g

-- 
Greg Stein, http://www.lyra.org/
Received on Sat Oct 21 14:36:28 2006

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