From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id B6CE83CB37; Sat, 20 Jan 2024 16:01:06 -0500 (EST) Received: by mail-pg1-x530.google.com with SMTP id 41be03b00d2f7-5cf2d73a183so2139173a12.1; Sat, 20 Jan 2024 13:01:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705784465; x=1706389265; darn=lists.bufferbloat.net; h=content-transfer-encoding:to:subject:message-id:date:from :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=IEQqZP+mndHU6NaRBVNo+3XUsKBHWHISZ9OulnhErHE=; b=emT6F++RBmoco/UtrFSRiowmcKcYoyEPrWxKJK7+eNfjwtDtG1wKPTU8hgkgooPykM KIXrutaM1z9T2n0nIYRNM0J2dHtdUV364AgyKc7lavQReQ6ZiCEGdHQ2j87+X1ycr6Qz JKUDou+s2pEg5vw0u9L/y9Mo4K9MCIJb7k/EO5PCv5TyHIZQ3dzHxuGbfWzffeuEFTWv wAAk/XoxoTd3OOX7ghozg1bwypMsEdVoh7kyNmMiHl54by4yiuQErGN7V9xNQOPmduVr JOx/MVN7ExdUP26lqECsoaN7crcUtIfzXQXoqpTLOZIGzJLNoosE3GaLt/E7Nerk/itP XxAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705784465; x=1706389265; h=content-transfer-encoding:to:subject:message-id:date:from :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=IEQqZP+mndHU6NaRBVNo+3XUsKBHWHISZ9OulnhErHE=; b=httXTy24BuIuBYnA0erN5Y7QqruXUpoSMtze23s9nqi7jJiythaUv3802BDtkDh8no tBPvByLQ3IQBp4PMwdQ0zbECjq8oqdysZc9YHHNkdIRwwRi8PMyVLzpP+hIcfXQlwxgy niBmccRY9KI6GooB1+Sx47GmZwg+5WqM1gDF22BVKjhE+resE0wUR90+x5xZDXfptAhP WXbATVUmI3HuPU6fff50u1ZsoLUC75ssJVajKjgtwgDxIwErp6D5uki5HO/VEYKUGH4b O/LkJyooRltVU/ScIlLlcQCPoU/PAD5JY7ZmPSFkIsN1CCr1xzefFtUu3z2D5o16LtQi Spfg== X-Gm-Message-State: AOJu0YwRkxikVnEUG45L1iKtsTRItiZBVc4DYecU3zPwmHb4MBeBnkRx f3Dg2XsfSJANEwEr+p3ydCwM5NK0up6KdyZQq1PQ8mdMS6GOUV5WEzwaXcS8kWxml4NheZpUdwE vBd6XjLGws5GSk1SKgRmx7+gcm9Zw2EXTPwY= X-Google-Smtp-Source: AGHT+IGq9PLUCkRnBqmVrIVGTEPb9IdXkOyAafQgi8kDcZau4LlkjJkO72+n79z0ffIlcOwxlmzQ18iNLNldlpamaDo= X-Received: by 2002:a17:90a:c387:b0:28f:22fc:e853 with SMTP id h7-20020a17090ac38700b0028f22fce853mr2298834pjt.46.1705784465343; Sat, 20 Jan 2024 13:01:05 -0800 (PST) MIME-Version: 1.0 From: Dave Taht Date: Sat, 20 Jan 2024 16:00:52 -0500 Message-ID: To: bloat , codel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Codel] fq_codel in supercomputing X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Jan 2024 21:01:06 -0000 Apparently there was a bug that prevented the fq_codel module from being loaded, leading to: "Change default TCP queue discipline to fq_codel to address missing patch in SLES 15SP4. This is intended to address many of the communication failures larger scale jobs are experiencing." From: https://docs.nersc.gov/systems/perlmutter/timeline/ --=20 40 years of net history, a couple songs: https://www.youtube.com/watch?v=3DD9RGX6QFm5E Dave T=C3=A4ht CSO, LibreQos