On Fri, 22 Apr 2011 16:14:52 +0200, Xavier Maillard <xma@gnu.org> wrote:
> Hi,
> 
> 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:
> 
> - notmuch version: notmuch 0.5-133-gc509598
> - notmuch count: 18475
> - uname: Linux kcals 2.6.33.4-smp #2 SMP Wed May 12 22:47:36 CDT 2010
>          i686 Intel(R) Atom(TM) CPU N270   @ 1.60GHz GenuineIntel GNU/Linux
> - Load average: 0.00 0.00 0.00 1/144 28377
> - Memory:
>              total       used       free     shared    buffers     cached
> Mem:           992        881        111          0        253        500
> -/+ buffers/cache:        127        865
> Swap:          506          0        505
> 
> This is on a Slackware GNU/linux system on a Eee PC 901 (thus SSD
> storage). I am using my computer *exclusively* in the virtual linux
> console (tty) and 99% of my tasks are done through GNU Emacs (dunno if
> is of any interest for this problem though).
> 
> My sync script is taking really long time to achieve, updating one mail
> at a time is also really slow (several seconds). In the worst cases,
> updating my collection can take upto 15 minutes and updating just one
> message can take up to the minute too !
> 
> 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.

> /Xavier
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Peace

-Pieter