Re: Possible speed enhancement

[Alexander Larsson <alexl redhat com>]

On Wed, 2008-09-24 at 11:01 +0200, Xavier Bestel wrote:
> > De: Alexander Larsson <alexl redhat com>
> > On Tue, 2008-09-23 at 15:20 +0200, John Bester wrote:
> > 
> > > Nautilus takes about 8 seconds to load up /usr/lib on my current PC
> > > (about 2,300 files). KDE/dolphin takes about 2 seconds. 
> > 
> > This again... The reason things like /usr/bin and /usr/lib are slow are
> > that these are large directories where almost no files have an
> > extension. This means we have to sniff the file type by reading the
> > first bit of all files. Reading lots of files is inherently slow due to
> > the mechanical motion required for seeks on a harddrive.
> > 
> > That some other apps choose not to sniff such files makes them faster
> > for /usr/lib and /usr/bin, but they miss showing file types on some
> > files. This is a design decision for nautilus, which is not mainly
> > designed to read /usr/bin, but rather to manage users normal files
> > (which generally have extensions).
> 
> Maybe the x bit should count as a '.exe' extension (sort of) ?

Doesn't work. For instance, all files on a fat partition get the x bit
set.