Re: New module proposal: tracker

[Alexander Larsson <alexl redhat com>]

On Sat, 2009-11-07 at 08:47 +0000, Martyn Russell wrote:
> On 06/11/09 19:22, Alexander Larsson wrote:
> 
> > There is one problem with POSIX_FADV_DONTNEED. If you do it on a file
> > the kernel will drop it from its caches. This is generally what you want
> > if you just indexed a 100 meg text file that no other app cares about
> > atm, since it means we won't throw out 100 megs of otherwise useful
> > caches. However, if you're reading a file that some other app actually
> > cares about this may be a problem, since you're now ensuring that the
> > file has to be re-read the next time that app wants to use the file. Not
> > sure if there is a better way though...
> 
> Yea. We don't index all 100Mb of the file. We only ever index n words of 
> any file. This is configurable in $HOME/.config/tracker/tracker-fts.cfg. 
> It is set to 10000 for now.

It was just an example. It might as well be 1000 files of 100kB, it
amounts to the same thing wrt cache use.