Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hlfP1-000082-CP for pgsql-hackers@arkaria.postgresql.org; Thu, 11 Jul 2019 20:10:51 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1hlfP0-0000qt-3R for pgsql-hackers@arkaria.postgresql.org; Thu, 11 Jul 2019 20:10:50 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hlfOz-0000qm-Ny for pgsql-hackers@lists.postgresql.org; Thu, 11 Jul 2019 20:10:49 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hlfOx-0004F8-CF for pgsql-hackers@postgresql.org; Thu, 11 Jul 2019 20:10:48 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id x6BKAhgZ032147; Thu, 11 Jul 2019 16:10:43 -0400 From: Tom Lane To: Robert Haas cc: Peter Eisentraut , pgsql-hackers Subject: Re: base backup client as auxiliary backend process In-reply-to: References: <61b8d18d-c922-ac99-b990-a31ba63cdcbb@2ndquadrant.com> <24131.1562855803@sss.pgh.pa.us> Comments: In-reply-to Robert Haas message dated "Thu, 11 Jul 2019 15:07:20 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <32145.1562875843.1@sss.pgh.pa.us> Date: Thu, 11 Jul 2019 16:10:43 -0400 Message-ID: <32146.1562875843@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Robert Haas writes: > On Thu, Jul 11, 2019 at 10:36 AM Tom Lane wrote: >> Gotta have config files in place already, no? > Why? How's the postmaster to know that it's supposed to run pg_basebackup rather than start normally? Where will it get the connection information? Seem to need configuration data *somewhere*. regards, tom lane