[Dovecot] New mailbox format

[dean gaudet]

On Sat, 24 Sep 2005, Cor Bosman wrote:

> > > inodes only use kernel memory when the file is accessed. in this respect there
> > > is no difference in the memory usage between reiserfs or ext3 or any other
> > > filesystem. think about the case of network filesystems for example.
> > 
> > i think we're agreeing aren't we?
> > 
> > the only reason i care about kernel memory usage is that once you start 
> > scaling to 1000s of simultaneous users kernel memory starts becoming 
> > scarce... with maildir it happens a lot faster than with mailbox.
> 
> Anyone that scales to thousands of simultaneous users should be able
> to afford a few extra servers and has a server architecture where adding
> servers is easy. 

in practice it's more than a "few extra".

-dean