From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms9.migadu.com with LMTPS id UMAVB5oQG2R65QAASxT56A (envelope-from ) for ; Wed, 22 Mar 2023 15:28:42 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id OE0UB5oQG2S/vQAA9RJhRA (envelope-from ) for ; Wed, 22 Mar 2023 15:28:42 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id CEDD62B7D2 for ; Wed, 22 Mar 2023 15:28:41 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pezRq-0002vs-AM; Wed, 22 Mar 2023 10:28:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pezRk-0002v0-Cy for guix-devel@gnu.org; Wed, 22 Mar 2023 10:28:12 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pezRi-0001hi-N2; Wed, 22 Mar 2023 10:28:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=PO99ipw1CQf5r2Ozo4Pgmg9GDNl4Vl7f8Y7VSsTZTcs=; b=GqWrJZDraWnq+/hFM3VZ an5QHNXlUXZvpx9slcoVbB6DzlkHs3sarnoDMcL7Jk4JcnA3zUU1a8EcYYF5ObRNbwVlC134yQ4We WjD7yI53yZyO+L04MAy6bfsdtpqyjYv/JrzxWrBsLyvfXD/pOa/FV1FxyPzZDR+ZDnJc3E719X9z/ 85XxbazD/FTFlVUXmydqb4qZJBuVZCdNJibO8Z/Lw0k5DobFOdNTqqof91WB3rnxLvZZfSEgKF45e 53ctZPqxMRELVIIsBQfcZZQuiloYlrDHXiwt7YVdHwPoAwJR/X+vEgh5feN3VP9Uxz8au8Po5+8Im wvwlQc1sdhg5Ww==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pezRX-0001ez-TF; Wed, 22 Mar 2023 10:28:10 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Christopher Baines Cc: guix-devel@gnu.org Subject: Re: March update on bordeaux.guix.gnu.org References: <874jqjvwvt.fsf@cbaines.net> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Duodi 2 Germinal an 231 de la =?utf-8?Q?R=C3=A9volut?= =?utf-8?Q?ion=2C?= jour du Platane X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Wed, 22 Mar 2023 15:27:57 +0100 In-Reply-To: <874jqjvwvt.fsf@cbaines.net> (Christopher Baines's message of "Thu, 16 Mar 2023 19:29:30 +0000") Message-ID: <87cz50dfo2.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Seal: i=1; s=key1; d=yhetil.org; t=1679495321; a=rsa-sha256; cv=none; b=goJ49C7Tt1qqS4WBzaxpNE1wgXCzZHuARTpSq+F7zxRQoICukwGg+wZsC37lMkot+yuw7P L6+7AgCS/rYoY5L42K+kLdPBPnu1GyzJwDq8EKs2bYxJ29jwAB9K1AT+gw2fn94qB9uouj RNqBmA4niBhEBc/+2FH7nR6LuwHpcOk/lwEt78Nbp/N/dPaBx9q3HxNGsxAwHimn5emvox HDA0MvGRfn0MPwyifS4NNmCzbFWZxsy3/78wHp3BnQ4FKOvI3wi9dP5RGLtiMz03k7A3Wb ojchZ5PdkcKmk5/jksfZwDi4W/PIOe9MojmNudwDoAvyHcjE18C5sgOfhBuypA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=GqWrJZDr; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1679495321; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=PO99ipw1CQf5r2Ozo4Pgmg9GDNl4Vl7f8Y7VSsTZTcs=; b=rrGQ7c9wBMbK4GybSRR0aT1l4smg8BOphtBvA2nYe/nqt+xts08R/gAa510qsMVqBr3Jra yEHXiIlCXxgvY/3vUn4ECQZUjSg2I6oBHZ8fNaX+Eij1EbSVlviS/f5a1pLJTMQds0+JYi LemSl6/8itrUnyy0B71zBROTp+wPkpAvhSBFWBk1KZN7ItU4wzyx117/BEv5DSRLShM3Ja MOC0XnbX6tVADBXlVi+EOZDysk0a7eQEBXsmIygTDYqepu+qCwgEY4nBCuITc5yBLfLL/5 7Ahv6PHWPCS97KWiOyNcsRq1mXASwKc3nRTpYFIoyYd6TXUNRDOFZeDTQIZbFA== X-Migadu-Spam-Score: -6.27 X-Spam-Score: -6.27 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=GqWrJZDr; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org X-Migadu-Queue-Id: CEDD62B7D2 X-Migadu-Scanner: scn1.migadu.com X-TUID: +PcTDnKP0peJ Hi Chris, Christopher Baines skribis: > ## Serving fixed output files by hash > > bordeaux.guix.gnu.org is now in the list of content addressed mirrors > [2]. Yay! > ## Referential integrity > > This is usually something I think about in the context of databases, but > nars/narinfos have references, and I've been working to ensure that for > any nar provided by bordeaux.guix.gnu.org, you're also able to fetch any > nar it references. Great that you looked into it. That=E2=80=99s something we did not explici= tly address until now, on the grounds that =E2=80=98guix substitute=E2=80=99 wo= uld typically look up both a store item and its dependencies, which in practice means that the TTL of a store item and that of its dependencies would likely be synchronized. But clearly, it=E2=80=99s best to ensure that by construc= tion. > ## Offering zstd compressed nars Yay! > ## Next steps > > Last time I said that I thought the main blocking issue in making > bordeaux.guix.gnu.org the default substitute server to try first was the > lack of zstd nars. Some nars are now available with zstd compression, so > there's progress been made on this at least. I think a good argument can > be made for trying bordeaux.guix.gnu.org being better for users than > trying ci.guix.gnu.org first, but it's not clear cut. I think keeping both is ideal, notably from a fault-tolerance viewpoint. > On the issue of expanding the storage for nars, I've submitted the > request to purchase an additional hard drive for hatysa to expand the > storage there. There is still a need to come up with a plan to replace > bishan when it runs out of space (ideally before!). Definitely; this should be high-priority for the project. Thanks! Ludo=E2=80=99.