Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eKTRB-0007X0-32 for pgsql-admin@arkaria.postgresql.org; Thu, 30 Nov 2017 18:19:53 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eKTRA-0002Y1-Bm for pgsql-admin@arkaria.postgresql.org; Thu, 30 Nov 2017 18:19:52 +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_2) (envelope-from ) id 1eKTRA-0002Xs-5X for pgsql-admin@lists.postgresql.org; Thu, 30 Nov 2017 18:19:52 +0000 Received: from mx1.mailbox.org ([80.241.60.212]) by magus.postgresql.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1eKTR6-0006Jc-QZ for pgsql-admin@lists.postgresql.org; Thu, 30 Nov 2017 18:19:51 +0000 Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.mailbox.org (Postfix) with ESMTPS id D94F346DEC; Thu, 30 Nov 2017 19:19:46 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp1.mailbox.org ([80.241.60.240]) by hefe.heinlein-support.de (hefe.heinlein-support.de [91.198.250.172]) (amavisd-new, port 10030) with ESMTP id p4oryaFnOAz1; Thu, 30 Nov 2017 19:19:44 +0100 (CET) Message-ID: <1512065983.2328.22.camel@cybertec.at> Subject: Re: PG 10 streaming replication pg_wal question From: Laurenz Albe To: ghiureai , pgsql-admin@lists.postgresql.org Date: Thu, 30 Nov 2017 19:19:43 +0100 In-Reply-To: <5A2042CD.3090006@nrc-cnrc.gc.ca> References: <5A203DC7.40509@nrc-cnrc.gc.ca> <1512063321.2328.20.camel@cybertec.at> <5A2042CD.3090006@nrc-cnrc.gc.ca> Organization: Cybertec Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk ghiureai wrote: > can I run a checkpoint manually in master host than ? Yes, but that will only remove WAL files if there has been enough activity to cause one or more WAL switches. You just have to wait. Yours, Laurenz Albe