Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1myELH-0002bR-Jj for pgsql-hackers@arkaria.postgresql.org; Fri, 17 Dec 2021 14:36:15 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1myELG-0002Ek-DY for pgsql-hackers@arkaria.postgresql.org; Fri, 17 Dec 2021 14:36:14 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1myELG-0002Ao-3y for pgsql-hackers@lists.postgresql.org; Fri, 17 Dec 2021 14:36:14 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1myELC-0007ql-Hw for pgsql-hackers@postgresql.org; Fri, 17 Dec 2021 14:36:13 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 1BHEa5q81331968; Fri, 17 Dec 2021 09:36:05 -0500 From: Tom Lane To: Andrew Dunstan cc: Andres Freund , pgsql-hackers@postgresql.org, Thomas Munro , Melanie Plageman Subject: Re: Adding CI to our tree In-reply-to: <3faa2e7d-a38d-9a01-e5e2-1f897905cebf@dunslane.net> References: <20211213211223.vkgg3wwiss2tragj@alap3.anarazel.de> <3faa2e7d-a38d-9a01-e5e2-1f897905cebf@dunslane.net> Comments: In-reply-to Andrew Dunstan message dated "Fri, 17 Dec 2021 09:08:53 -0500" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1331966.1639751765.1@sss.pgh.pa.us> Date: Fri, 17 Dec 2021 09:36:05 -0500 Message-ID: <1331967.1639751765@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andrew Dunstan writes: > Maye I have missed it, but why are we using ccache here? That seems a > bit pointless in an ephemeral instance. I believe Munro's cfbot tooling is able to save and re-use ccache across successive instantiations of a build instance. I've not looked at this code, but if it can do that there'd be point to it. regards, tom lane