[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

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

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.


 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de                (uni)  
       schilling@fokus.fraunhofer.de     (work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily

Reply to: