Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1ZHdLn-0007fZ-RZ for pgsql-hackers@arkaria.postgresql.org; Tue, 21 Jul 2015 19:37:15 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84) (envelope-from ) id 1ZHdLn-0000oX-Di for pgsql-hackers@arkaria.postgresql.org; Tue, 21 Jul 2015 19:37:15 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84) (envelope-from ) id 1ZHdLm-0000mv-DX for pgsql-hackers@postgresql.org; Tue, 21 Jul 2015 19:37:14 +0000 Received: from bilbys.org ([2400:c400::113:212:99:188] helo=svana.org) by magus.postgresql.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.84) (envelope-from ) id 1ZHdLh-0001ZZ-9V for pgsql-hackers@postgresql.org; Tue, 21 Jul 2015 19:37:13 +0000 Received: from kleptog by svana.org with local (Exim 4.72) (envelope-from ) id 1ZHdMD-0008B9-HJ; Wed, 22 Jul 2015 05:37:43 +1000 Date: Tue, 21 Jul 2015 21:37:41 +0200 From: Martijn van Oosterhout To: "Todd A. Cook" Cc: Tom Lane , Andres Freund , Fujii Masao , PostgreSQL-development Message-ID: <20150721193741.GC30213@svana.org> Reply-To: Martijn van Oosterhout References: <20150703164931.GI3291@awork2.anarazel.de> <20150703170229.GJ3291@awork2.anarazel.de> <20150703172605.GM3291@awork2.anarazel.de> <27532.1436195680@sss.pgh.pa.us> <20150706152123.GK8902@alap3.anarazel.de> <28415.1436197794@sss.pgh.pa.us> <20150709182315.GG10242@alap3.anarazel.de> <29916.1436483171@sss.pgh.pa.us> <55AE8E6F.7030504@blackducksoftware.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9amGYk9869ThD9tj" Content-Disposition: inline In-Reply-To: <55AE8E6F.7030504@blackducksoftware.com> X-PGP-Key-ID: Length=4096; ID=0x4BE62D44 X-PGP-Key-Fingerprint: AF6F C0D6 3B8A AF7D 942B D2BC 4BED FBE7 4BE6 2D44 User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: kleptog@svana.org X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on calyx X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.3.2 Subject: Re: WAL logging problem in 9.4.3? X-SA-Exim-Version: 4.2.1 (built Mon, 22 Mar 2010 06:26:47 +0000) X-SA-Exim-Scanned: Yes (on svana.org) X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org --9amGYk9869ThD9tj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 21, 2015 at 02:24:47PM -0400, Todd A. Cook wrote: > Hi, >=20 > This thread seemed to trail off without a resolution. Was anything done? Not that I can tell. I was the original poster of this thread. We've worked around the issue by placing a CHECKPOINT command at the end of the migration script. For us it's not a performance issue, more a correctness one, tables were empty when they shouldn't have been. I'm hoping a fix will appear in the 9.5 release, since we're intending to release with that version. A forced checkpoint every now and them probably won't be a serious problem though. Have a nice day, --=20 Martijn van Oosterhout http://svana.org/kleptog/ > He who writes carelessly confesses thereby at the very outset that he does > not attach much importance to his own thoughts. -- Arthur Schopenhauer --9amGYk9869ThD9tj Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUBVa6fhEvt++dL5i1EAQiRJhAAvrC5NvDEateAIIUdHTfidvYQCrB5MHNS 8WBvv7jz8eYQ3Hye/lPUF5EsgF7UubthPoG0zwDO3oevCbohlmpYXqSMnqVyspVK xknrmVWrwDXHnPO6ffn4WbOLWQ8PKEQHW21Bi9DdgCO3NNQKSnMLrUgquRjYlHPi WOmp3uBtJvfuS3aJX88dpi1f3PWkBHFnNi1/j8KzjQ26BkA/A8BQ/YSs4CzM00yY cvIJV+8hHndmA8sijPK0FQE5jYwj3n0OR+ICEkMi03ANHMFsLK+otv7+hgsIlIBA Zgk/U/y+h79WjIH2NMuoHKa/KFQjyB2dksO724kz3rhpH7MvnnnMZZEgD4+++KKU sFYfyGA7TNqugslricA+NQHzvVxbuflp7+HyFM54dnDNPsMEtCnaqWlEvNSmzUgj WVsaPnfXgHfOOcVtENEBJFfrg1mRXjkiVMg6VfVPMsgssrSezT4TYfIfc995mv5y TVjijly3dkd6df7yXZbL5EE9wlGoTC2KYU4Xwyyl+kMJ0YAzVPUQr+yGpr0IC5Y9 ENyirbzpEHDEFPBNf3uwSdaXOn8BGypa6cBSyQIkwDtKZqQ6q/zPVBWKvXuar/TD 8mXP3IyK94K7wlHwDb6tATQHg84ygKMYdDOMcAP2mi67fqP7klNTJ4sYHc94pLBH Ne+SNwVF+kU= =QfDa -----END PGP SIGNATURE----- --9amGYk9869ThD9tj--