Re: db(3) removal and lastlogx

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Jun 11, 2012 at 06:35:38PM +0000, David Holland wrote:
> On Mon, Jun 11, 2012 at 08:07:37PM +0200, Manuel Bouyer wrote:
>  > On Mon, Jun 11, 2012 at 04:50:54PM +0000, David Holland wrote:
>  > >  > With 32bit uids, this will be very large files. We should avoid this.
>  > > 
>  > > Only if you carefully choose your UID space relative to the file
>  > > system block size to maximize the amount of unused space that must
>  > > nonetheless be materialized. That is foolish.
>  > 
>  > My UID space is not dense, but I meant large by what's displayed with ls 
> -l.
> 
> And that's important how?

- people usually uses ls -l to find what could free some space on a full
 filesystem
- some tools don't deal with sparse files.
- once a block has been allocated, it won't ever be freed unless you kill
  the file.

and I'm probably forgetting more problems with sparse files.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--