From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by olra.theworths.org (Postfix) with ESMTP id 1B97740DBDE for ; Fri, 6 Jun 2014 01:24:47 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at olra.theworths.org X-Spam-Flag: NO X-Spam-Score: -2.3 X-Spam-Level: X-Spam-Status: No, score=-2.3 tagged_above=-999 required=5 tests=[RCVD_IN_DNSWL_MED=-2.3] autolearn=disabled Received: from olra.theworths.org ([127.0.0.1]) by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c-mP2O9Zg8KF for ; Fri, 6 Jun 2014 01:24:43 -0700 (PDT) X-Greylist: delayed 1245 seconds by postgrey-1.32 at olra; Fri, 06 Jun 2014 01:24:43 PDT Received: from kardo.rtsn.nl (rtsn.nl [217.119.226.124]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by olra.theworths.org (Postfix) with ESMTPS id 121F040DBDA for ; Fri, 6 Jun 2014 01:24:43 -0700 (PDT) Received: from sagi by kardo.rtsn.nl with local (Exim 4.80) (envelope-from ) id 1Wsp7y-0008K0-Pm for notmuch@notmuchmail.org; Fri, 06 Jun 2014 10:03:54 +0200 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: notmuch@notmuchmail.org Message-ID: <20140606080354.28047.77393@kardo.rtsn.nl> From: Maarten Aertsen User-Agent: alot/0.3.5 Subject: notmuch dump: taking write-lock to protect from concurrent (cronned) notmuch new? Date: Fri, 06 Jun 2014 10:03:54 +0200 X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Jun 2014 08:24:47 -0000 Hi everyone, (summary of IRC-conversation just now) I did: - run notmuch new (and afew -t) in cron, every two minutes - run notmuch dump in cron, every 12 hours I expected: - notmuch dump to complete, possibly causing notmuch new to fail in the m= eantime I observed: - notmuch dump terminating with: "terminate called after throwing an instance of 'Xapian::DatabaseModifiedEr= ror'" mjw1009 suggested to change NOTMUCH_DATABASE_MODE_READ_ONLY on line 215 of notmuch-dump.c to NOTMUCH_DATABASE_MODE_READ_WRITE I'm wondering if this hits enough people to motivate the addition of a command line switch (or perhaps even a change in default behaviour?) Thanks for writing this software. best regards, Maarten