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Diffstat (limited to 'tickets/3092ee8cdf8e49fda9937a228d0546fd/Maildir/new/1466357405.M965256P29655Q1.hrun')
| -rw-r--r-- | tickets/3092ee8cdf8e49fda9937a228d0546fd/Maildir/new/1466357405.M965256P29655Q1.hrun | 104 |
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diff --git a/tickets/3092ee8cdf8e49fda9937a228d0546fd/Maildir/new/1466357405.M965256P29655Q1.hrun b/tickets/3092ee8cdf8e49fda9937a228d0546fd/Maildir/new/1466357405.M965256P29655Q1.hrun new file mode 100644 index 0000000..e185573 --- /dev/null +++ b/tickets/3092ee8cdf8e49fda9937a228d0546fd/Maildir/new/1466357405.M965256P29655Q1.hrun @@ -0,0 +1,104 @@ +Return-Path: <obnam-dev-bounces@obnam.org> +X-Original-To: distix@pieni.net +Delivered-To: distix@pieni.net +Received: from bagpuss.pepperfish.net (bagpuss.pepperfish.net [148.251.8.16]) + (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) + (No client certificate requested) + by pieni.net (Postfix) with ESMTPS id 47BD8248C7 + for <distix@pieni.net>; Sun, 19 Jun 2016 19:27:43 +0200 (CEST) +Received: from platypus.pepperfish.net (unknown [10.112.100.20]) + by bagpuss.pepperfish.net (Postfix) with ESMTP id 8A8CD59E; + Sun, 19 Jun 2016 18:27:42 +0100 (BST) +Received: from ip6-localhost ([::1] helo=platypus.pepperfish.net) + by platypus.pepperfish.net with esmtp (Exim 4.80 #2 (Debian)) + id 1bEgVa-00074o-E2; Sun, 19 Jun 2016 18:27:42 +0100 +Received: from inmail0 ([10.112.100.10] helo=mx0.pepperfish.net) + by platypus.pepperfish.net with esmtp (Exim 4.80 #2 (Debian)) + id 1bEgVY-00074a-2x + for <obnam-dev@obnam.org>; Sun, 19 Jun 2016 18:27:40 +0100 +Received: from smtp.gentoo.org ([140.211.166.183]) + by mx0.pepperfish.net with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) + (Exim 4.80) (envelope-from <robbat2@gentoo.org>) id 1bEgVV-0004Te-PY + for obnam-dev@obnam.org; Sun, 19 Jun 2016 18:27:39 +0100 +Received: from grubbs.orbis-terrarum.net (localhost [127.0.0.1]) + (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) + (No client certificate requested) + by smtp.gentoo.org (Postfix) with ESMTPS id 5D489340815 + for <obnam-dev@obnam.org>; Sun, 19 Jun 2016 17:27:22 +0000 (UTC) +Received: (qmail 5206 invoked by uid 129); 19 Jun 2016 17:27:22 -0000 +X-HELO: bohr-int.orbis-terrarum.net +Authentication-Results: orbis-terrarum.net; auth=pass (plain) + smtp.auth=robbat2-bohr@orbis-terrarum.net +Received: from Unknown (HELO bohr-int.orbis-terrarum.net) (2001:470:e889:1::8) + by orbis-terrarum.net (qpsmtpd/0.95) with ESMTPSA + (ECDHE-RSA-AES256-GCM-SHA384 encrypted); Sun, 19 Jun 2016 17:27:22 +0000 +Received: (nullmailer pid 8212 invoked by uid 10000); + Sun, 19 Jun 2016 17:27:19 -0000 +From: "Robin H. Johnson" <robbat2@gentoo.org> +To: obnam-dev@obnam.org +Date: Sun, 19 Jun 2016 10:27:16 -0700 +Message-Id: <20160619172717.18445-1-robbat2@gentoo.org> +X-Mailer: git-send-email 2.9.0 +In-Reply-To: <robbat2-20160619T083928-020175588Z@orbis-terrarum.net> +References: <robbat2-20160619T083928-020175588Z@orbis-terrarum.net> +X-Virus-Checked: Checked by ClamAV on orbis-terrarum.net +X-Spam-Score: -8.3 +X-Spam-Score-int: -82 +X-Spam-Bar: -------- +X-Scanned-By: pepperfish.net, Sun, 19 Jun 2016 18:27:39 +0100 +X-Spam-Report: Content analysis details: (-8.3 points) + pts rule name description + ---- ---------------------- -------------------------------------------------- + -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high + trust [140.211.166.183 listed in list.dnswl.org] + -0.0 SPF_PASS SPF: sender matches SPF record + -1.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain + -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% + [score: 0.0000] +X-ACL-Warn: message may be spam +X-Scan-Signature: e22476795c0c271ab9cf3b1ad5ae1506 +Subject: [PATCH 0/1] encryption: boost GPG performance. +X-BeenThere: obnam-dev@obnam.org +X-Mailman-Version: 2.1.5 +Precedence: list +List-Id: Obnam development discussions <obnam-dev-obnam.org> +List-Unsubscribe: <http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org>, + <mailto:obnam-dev-request@obnam.org?subject=unsubscribe> +List-Archive: <http://listmaster.pepperfish.net/pipermail/obnam-dev-obnam.org> +List-Post: <mailto:obnam-dev@obnam.org> +List-Help: <mailto:obnam-dev-request@obnam.org?subject=help> +List-Subscribe: <http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org>, + <mailto:obnam-dev-request@obnam.org?subject=subscribe> +Sender: obnam-dev-bounces@obnam.org +Errors-To: obnam-dev-bounces@obnam.org + +The following patch (next in the thread), significently boosts the performance +of the encryption plugin by tuning the GPG symmetric parameters. + +See the previous thread of 'GPG & performance' for the nuanced details about +why this works. + +Running 'production.yaml' benchmarks using obnam-bench. This does use the +green-albatross repo format, but the patch is generic, and improves all +symmetric GPG usage. + +Time in seconds. + + many_files one_big_file +Unencrypted 225.4 10.2 +GPG(master) 284.8 272.5 +GPG(patch) 251.3 47.8 + +Yes, that's correct, for the big file case, it's 5.7x faster. + +There is one case where this patch will have a NEGATIVE impact: +Usage of compress-with=None along with highly compressible input. + +This is because GPG was previously compressing the data before encryption, and +faster specifically because it had less data to compress than with this patch. + + +_______________________________________________ +obnam-dev mailing list +obnam-dev@obnam.org +http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org |