Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f3ilJ-000275-Pb for pgsql-hackers@arkaria.postgresql.org; Wed, 04 Apr 2018 13:47:41 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1f3ilI-0005Pj-MY for pgsql-hackers@arkaria.postgresql.org; Wed, 04 Apr 2018 13:47:40 +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 4.89) (envelope-from ) id 1f3ilI-0005PY-FN for pgsql-hackers@lists.postgresql.org; Wed, 04 Apr 2018 13:47:40 +0000 Received: from new1-smtp.messagingengine.com ([66.111.4.221]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f3ilE-0006qA-Sp for pgsql-hackers@postgresql.org; Wed, 04 Apr 2018 13:47:39 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 3CC3A1335; Wed, 4 Apr 2018 09:47:35 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Wed, 04 Apr 2018 09:47:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:subject:to :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=PJXGvIOSdP5g2FuLl UX3LMmZFyvcQ5D+S9cTkvgKY3s=; b=SGc1AR6WLO8RG2xWjAlPSqdXJylWB88xG nq8CtF+ucWp2RdrteNJ+yXQpRJXNIzGi3+EatgXvQxP+GLVQ14QOIJ2comy1CK0L 1QOJg9vzUvL/26VfVXoFrrFLvlADRIsUGD0iRY/hR65dbIxXHXJ69j1xJrQoUWVK rtWFVK/B0e5a0EPSWb7KXwYPXOELW8j3yxjsHZOQSo1LPv8pq5B66wdeVzKkrSrl bRKbdhyPUoH8zVRhcua+0+A/7wqdhbZyhn2GCxNPcsA9Xe+MaNWKjs7W1Kf7QaGQ AeXt1U8GA/gXomuwx+MdqetZFiO8vU1QW9nmeHK++li0CpDMLMT2g== X-ME-Sender: Received: from alvin.alvh.no-ip.org (unknown [179.56.29.253]) by mail.messagingengine.com (Postfix) with ESMTPA id 97B27102E5; Wed, 4 Apr 2018 09:47:34 -0400 (EDT) Received: by alvin.alvh.no-ip.org (Postfix, from userid 1000) id B25E15A7; Wed, 4 Apr 2018 10:47:32 -0300 (-03) Date: Wed, 4 Apr 2018 10:47:32 -0300 From: Alvaro Herrera To: Michael Banck Cc: Magnus Hagander , Tom Lane , Andres Freund , David Steele , PostgreSQL-development Subject: Re: pgsql: Validate page level checksums in base backups Message-ID: <20180404134732.tsxx2osvooolxy24@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180404121930.GE20852@nighthawk.caipicrew.dd-dns.de> User-Agent: NeoMutt/20170306-137-4415bd-dirty (1.8.0) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Michael Banck wrote: > However, the pg_basebackup testsuite takes up 800+ MB to run, Uh, you're right. This seems a bit over the top. Can we reduce that without losing coverage? We've gone great lengths to avoid large amounts of data in tests elsewhere. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services