On Wed, Mar 25, 2009 at 10:19:37AM +0100, Rainer Kluge wrote:
> Tapani Tarvainen schrieb:
> >> kj wrote:
> >
> >>> Now, I've been running the usual find . -type f -exec rm {} \;
> >>> but this is going at about 700,000 per day. Would simply doing an rm
> >>> -rf on the Maildir be quicker? Or is there a better way?
> >
> > While rm -rf would certainly be quicker and is obviously preferred
> > when you want to remove everything in the directory, the find version
> > could be speeded significantly by using xargs, i.e.,
> > find . -type f -print0 | xargs -0 rm
> > This is especially useful if you want to remove files selecticely
> > instead of everything at once.
> >
>
> This exact solution has been proposed just one week ago in this same thread by
> Rob Starling
And this requires traversing the directory not just a single time but 4
milion times (once per rm process). Not to mention merely spawning 4
milion such processes is not fun (but spawning those would probably fit
nicely within 10 minutes or so)
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