notmuch painfully slow

[Xavier Maillard]

Hi Pieter,

On Fri, 22 Apr 2011 22:18:09 +0200, Pieter Praet <pieter at praet.org> wrote:
> On Fri, 22 Apr 2011 16:14:52 +0200, Xavier Maillard <xma at gnu.org> wrote:
> >
> > as time goes, notmuch is really becoming slower and slower. It may be
> > normal as it has more and more messages to "track" but I am not sure it
> > is that normal give these numbers:

[SNIP]

> > What is happening here ? Is there any maintenance task I should do onto
> > my mail collection ?
> > 
> > Thank you for your help.
> 
> Have you switched your Xapian database from flint to chert yet? This
> really makes a huge difference in responsiveness.

Obviously, no, I did not. I even did not know about that ;) What's the
story with this and what's the way to do this exactly ?

Thank you.

/Xavier