From: Tomi Ollila <tomi.ollila@iki.fi>
To: David Bremner <david@tethera.net>, Eric J <eric@deptj.eu>,
notmuch@notmuchmail.org
Subject: Re: Lost updates to Notmuch database
Date: Thu, 18 Feb 2016 16:30:34 +0200 [thread overview]
Message-ID: <m27fi2nl9x.fsf@guru.guru-group.fi> (raw)
In-Reply-To: <871t8avnhq.fsf@zancas.localnet>
On Thu, Feb 18 2016, David Bremner <david@tethera.net> wrote:
> Eric J <eric@deptj.eu> writes:
>
>> However, if I do it twice, in different processes, at the same time, one
>> file is added and tagged properly, the other is not (totally unfindable
>> by notmuch search). Neither process reports any error, and they both log
>> their actions normally. Actually a third simultaneous process also fails
>> to leave any result in the database.
>
> It should be impossible for more than one process to open a Xapian
> database for writing at the same time. So if the processes are really
> running in parallel, you should be getting error codes from the later
> calls to notmuch_database_open{_verbose}. You claim that's not
> happening, which is puzzling. Maybe you can try to duplicate your
> problem with a tiny C program.
In addition to that (or even before), you could
1) be able to reproduce the problem
2) try to reproduce it prefixing the command with ltrace -tt
3) examine carefully the ltrace logs to figure out where the proble lies
Tomi
Hmm, Interestingly when I run
LD_LIBRARY_PATH=~/vc/ext/notmuch/lib ltrace -f -tt ~/vc/ext/notmuch/notmuch-shared new
I did not see any Xapian references, but when I did
ltrace -f -tt ~/vc/ext/notmuch/notmuch new
I did. Interestingly when using libnotmuch.so.4 the xapian interface
is hidden (is it baked inside ~/vc/ext/notmuch/lib/libnotmuch.so.4.3.0 :O)
next prev parent reply other threads:[~2016-02-18 21:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-17 20:44 Lost updates to Notmuch database Eric J
2016-02-18 1:03 ` David Bremner
2016-02-18 12:59 ` Eric J
2016-02-18 14:30 ` Tomi Ollila [this message]
2016-02-18 21:26 ` Eric J
2016-02-21 12:57 ` Eric J
2016-02-27 20:04 ` Eric J
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