Re: dvd+rw-tools update [6.0, DVD-R DL]

[Matthias Andree <matthias.andree@gmx.de>]

Joerg Schilling schrieb am 2006-01-30:

> Matthias Andree <matthias.andree@gmx.de> wrote:
> 
> > > > 2. scheduling writes is a complex matter in itself, and there is not a
> > > > single answer.  The later you start writing, the more data you have
> > > > available if the input rate is low for a while to write a large blob of
> > > > data (reducing seeks), the more opportunity you have to rearrange writes
> > > > and the lower the total amount of data to write, because updates of
> > > > yet-unwritten data do not turn into writes (I/O) but are made in-core.
> > > 
> > > If you have the buffer cache at the right place and if you are able to
> > > cluster to already pending requests (like on Solaris), things work different.
> >
> > You said Linux would schedule writes after too long a delay, not that it
> > were incapable to cluster. What's going on here?
> 
> I encourage you to have a look at the Solaris sources if you have problems
> to understand clustering.

I don't care. As I wrote previously (which you didn't quote): talk to
the right people if you have something important to say about the buffer
cache that might improve your application.

-- 
Matthias Andree