KMountPoint::probablySlow and cifs mount points

[Ingo Klöcker]

On Monday 25 November 2013 20:38:28 Albert Astals Cid wrote:
> El Dilluns, 25 de novembre de 2013, a les 20:26:23, Ingo Klöcker va 
escriure:
> > On Monday 25 November 2013 00:12:34 Albert Astals Cid wrote:
> > > A PDF file is not a movie, it can't be read lineraly.
> > 
> > Does the PDF format really prevent me from reading just the first 2
> > pages of a 100 pages document if I just download the first few KBs
> > of
> > the PDF file? I don't know the PDF format, so this question is
> > serious.
>
> It [mostly] does. The XRef (table that references everything else on
> the file) is at the end of the file. So we need that, of course in
> protocols like CIFS we can just read the end of the file without
> downloading it all. But that still leaves us with objects that
> reference eachother all over and unless the file is specially crafted
> (so called Linearized PDF) it'll mostly be "the whole file", so no
> you don't need *always* the whole file, but you mostly do.
>
> > If the answer to the question is no, then it does make a lot of
> > sense to load the file iteratively. For example, if I just want to
> > have a quick look at the document (e.g. the abstract on the first
> > page) to decide whether it's really the document I am looking for,
> > then I surely don't want to wait for the entire document to be
> > downloaded.
> 
> Yes, that can be done, as it is my plan, but still will need to
> download the whole file most of the times.

Thanks for the clarification, Albert.


Regards,
Ingo
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