From: Dmitrijs Ledkovs <xnox@debian.org>
To: Petri Savolainen <petri@koodaamo.fi>
Cc: notmuch@notmuchmail.org
Subject: Re: How to index arbitrary headers?
Date: Thu, 4 Oct 2012 09:17:59 +0100 [thread overview]
Message-ID: <CANBHLUjqa67roFmQBMuO_5vpmWPD-j7XR7X5jMhc1UDnC3aEHw@mail.gmail.com> (raw)
In-Reply-To: <CACXwgK8Any3Cd+eO21Frz2X8P1kcOkw9XDTN5jj1Nu-DQdHRUg@mail.gmail.com>
On 3 October 2012 19:32, Petri Savolainen <petri@koodaamo.fi> wrote:
> Hi,
>
> thanks for your response. I am evaluating notmuch / xapian for building an
> application for analyzing in various ways a fairly large number of emails
> accumulated over several years. I am afraid the number of headers that would
> ultimately need to be indexed is therefore quite a lot larger than what
> notmuch currently indexes.
>
> Petri
>
> 2012/10/1 Austin Clements <amdragon@mit.edu>
>>
>> Quoth Petri Savolainen on Oct 01 at 3:39 pm:
>> > Hello,
>> > I could not find information anywhere in notmuch docs about what is
>> > actually indexed - specifically, what email headers are indexed and
>> > searchable? If a header is not indexed, does searching for its value
>> > still
>> > result in a search hit?
>> > It would be nice if one could just provide the list of headers to be
>> > indexed in some configuration file or something.
>> > Thanks,
>> > Petri
>>
>> notmuch doesn't currently implement this, though it is an
>> oft-requested feature. One (not insurmountable) difficulty is that
>> the database would have to be rebuilt if a user-configured list of
>> headers changed and there are technical limitations that prevent us
>> from simply indexing all headers. Out of curiosity, what headers are
>> you interested in indexing?
>>
>> The currently indexed headers are described in man
>> notmuch-search-terms.
>
Use mapreduce instead: hadoop or discoproject or haddop with dumbo
should be faster.
Regards,
Dmitrijs.
next prev parent reply other threads:[~2012-10-04 8:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-01 12:39 How to index arbitrary headers? Petri Savolainen
2012-10-01 15:43 ` Austin Clements
2012-10-03 18:32 ` Petri Savolainen
2012-10-04 8:17 ` Dmitrijs Ledkovs [this message]
2012-10-04 12:51 ` Nicolás Reynolds
2012-10-04 16:25 ` Dmitrijs Ledkovs
2012-10-04 18:18 ` Nicolás Reynolds
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