Date: Tue, 12 Jul 2011 16:24:59 -0400
From: Jason Woofenden <jason@jasonwoof.com>
To: Notmuch Mail <notmuch@notmuchmail.org>
Subject: Re: Slowness (search opens every email file?)
Message-ID: <20110712202459.GB15019@compy.jasonwoof.org>
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On 2011-07-11 06:13PM, Austin Clements wrote:
> On Mon, Jul 11, 2011 at 3:07 PM, Jason Woofenden <jason@jasonwoof.com> wrote:
> > notmuch search tag:foo is slow!
> >
> > (when my e-mail files are not already in the disk cache)
> >
> > I saw on my activity monitor applet that it was using mostly i/o,
> > and started to wonder if it was opening every e-mail. I little work
> > with strace and searching revealed that this command was opening
> > many many e-mail files from my maildir(s). I spent a little while
> > digging around in the notmuch source, and didn't see where it was
> > opening the email files.
> 
> It is opening every file to get a few headers to display in the search
> output.  Istvan Marko sent an experimental patch to store these
> headers in the database a while ago, though as far as I know there
> hasn't been any progress cleaning it up for inclusion:
> id:"m3sjsv2kw2.fsf@zsu.kismala.com" .

Cool. I suspected it was reading for header files.

I googled the id and found this patchwork link:

http://patchwork.notmuchmail.org/patch/947/

(I didn't see any way to ask mailman for a message id.)

Does someone want to work at this soon or should I try my hand at
it?


Thanks,     - Jason