[Evolution] Content of mails not indexed?

[Nicolas Michel <nicolas michel lemail be>]

Hello,

I had used Ubuntu for some years. Some weeks ago when gnome 3 was 
realesed I decided to switch to Archlinux.
So I'm now with archlinux 64 bits - gnome 3 with gnome-shell and 
Evolution 3.0.1-1.

A search on body-content is very very slow.

I have to say that I have a hudge INBOX : ~18500 mails (but it was not a 
problem on Ubuntu).

So here are my questions :
- is it because of the Evolution package on Ubuntu is patch with 
something from canonical that increase the speed of search on body content?

- is it because of the newer version of Evolution? (3.0.1-1 on Archlinx 
insted of 2.30 on the last Ubuntu I tested on)

- In that latest case, is it a regression and if yes, will you fix it?

- Or maybe I only have to install another package that will index my 
Evolution's mail?

My only purpose is to be able to make search on body content as fast as 
I did on Ubuntu. Even with 18500 mails, such a search took only a few 
seconds on Ubuntu (2,3 or 4 seconds ; now on arch it takes 30-40 or 50 
seconds).

Many many thanks!
Nicolas.