On Fri, Mar 16, 2012 at 09:39:03PM -0430, Patrick O'Callaghan wrote:
> On Fri, 2012-03-16 at 19:25 -0400, fred smith wrote:
> > On Fri, Mar 16, 2012 at 11:01:03PM +1030, Tim wrote:
> > > On Thu, 2012-03-15 at 23:01 -0700, Robert Moskowitz wrote:
> > > > Nautilus takes forever to list these directories and at times
> > > > I just want to look for a particular file by string in the name. Is
> > > > there a fast graphic tool for this? Then when I find the desired
> > > > file, I typically open it in Firefox.
> > >
> > > Nautilus seems to sniff the files to discover their types, and a plug-in
> > > tries to generate a thumbnail image for the file. Both these features
> > > are painfully slow with moderately largish directories. You can turn
> > > off the inclusion of the filetype in the list details, but not the image
> > > generation. Perhaps the plug-in could be manually replaced with
> > > something which worked faster, or instantly "did nothing."
> > >
> > > I've used the emelFM2 file manager as an alternative, it doesn't show
> > > thumbnails of files. And it does let you do some wildcarding to
> > > show/hide files in the lister gadget.
> >
> > I think it's most likely not that nautilus, etc., are slow in
> > large directories, it is that large directories take a long time
> > to search for files, making any action on those directories much
> > slower than normal. A "problem" of long-standing on pretty much
> > all Unix(-ish) file systems (and I'm not saying it won't happen on
> > other systems, I don't really know, but suspect it does.)
>
> If that were so, 'ls' would take as long as Nautilus (or Dolphin or
> whatever) to list a large directory. I don't have any huge directories
> to test, but I'm sceptical.
Hmm. you do seem to be correct:
time ls | wc -l
105612
real 0m2.582s
user 0m2.429s
sys 0m0.163s
I know that on (much) older systems, large directories were inherently
slow to traverse. I guess I shouldn't assume that is still the case.
--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
I can do all things through Christ
who strengthens me.
------------------------------ Philippians 4:13 -------------------------------
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