From debbugs-submit-bounces@debbugs.gnu.org Wed Aug 18 22:25:20 2021 Received: (at 30290) by debbugs.gnu.org; 19 Aug 2021 02:25:20 +0000 Received: from localhost ([127.0.0.1]:57851 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mGXk8-0008Ip-5G for submit@debbugs.gnu.org; Wed, 18 Aug 2021 22:25:20 -0400 Received: from mail-qv1-f54.google.com ([209.85.219.54]:40680) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mGXk7-0008Ic-5h for 30290@debbugs.gnu.org; Wed, 18 Aug 2021 22:25:19 -0400 Received: by mail-qv1-f54.google.com with SMTP id v1so2850924qva.7 for <30290@debbugs.gnu.org>; Wed, 18 Aug 2021 19:25:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=ooli3lBc4FPT3Urz2KdBClAL5WYuQo4lJlEuja6zfyc=; b=JxTEdQT3hXtHkEH46cVJMr9vRMl8GTwSJOdzAbduRTKIfTGJnruOVv9JAKOfLZSC+E MZy/GKBzDMAOgBn2fxjLf8mpqgOdsFpjhBZ4tsjDjKyYJlHfdBUPrA3nSRNPcSAINbPD GGY1K03G2wNtLe+XNqWKLbVQ7blx4ipbXFZR8O3fcAyP+zM9f5nTEbUdMj+0aOtftrug d7ZaiRJ2B+NkX3sM8CyH4agkDGyXUAgUDsDI14Phbzk5QBpHdsCB5WzyRh3RLy9VmVH1 C9dj3Fjy2/DoHaJWm074JeyLSZ7J+EyJb/Ld12TMPfbCqoBGZdx0pbZG1YocmJCgBdPD qAeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=ooli3lBc4FPT3Urz2KdBClAL5WYuQo4lJlEuja6zfyc=; b=dcFf0OvkcBN+bfDJfh7N51TBB9OHijiusrMItPHwx+BVlnoZKJkY9vMbTofII504Il MGZf5TJE5fsVgIcPSh8pmPH9xuvmoLdzLjjsR5wTe5w8TpeurE6sMY0+ga///oHxtlfG dhU3f28yvaaWtOA4HrYCfWPlLmmOuNc37xdnGwTdsPo3g1GHWa1J1ilUPWICt+Tm2K2u 1pmiAqAAJuiUXVw1U3e0GSWy32zjLAhFNXF3GOGzon6gq6QzG/9u52UmVreeoKu1ePTj 3s6TG/ZU5OG8Kbh8izKA3pCCNgYi027OR3gTVbaPDfrFwF7od6iM39nlTAf5PY/C6ZsR yKwQ== X-Gm-Message-State: AOAM533V7rEvo8dJZWxEsCfOcixSgSkSj5GiDEmSnc2mj4XydEC0Ccie IcZneU4GfZV/7FWdVNDWKKXP9UHGXyA= X-Google-Smtp-Source: ABdhPJy5fW3SNNQyoR2ZCkbGDtcjjH3W/2PF6NQRazpb1mlM7z00yoGtXxELzFXKCCzqpC3kry9jdw== X-Received: by 2002:a0c:f248:: with SMTP id z8mr12155875qvl.5.1629339913334; Wed, 18 Aug 2021 19:25:13 -0700 (PDT) Received: from hurd (dsl-236-123-187.b2b2c.ca. [207.236.123.187]) by smtp.gmail.com with ESMTPSA id d20sm755487qtw.53.2021.08.18.19.25.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Aug 2021 19:25:12 -0700 (PDT) From: Maxim Cournoyer To: zimoun Subject: Re: bug#30290: guix-daemon slows to a crawl when a substitute server is offline References: <87fu6o2ge2.fsf@gmail.com> <868s6cb4ji.fsf@gmail.com> <86y2bilo26.fsf@gmail.com> <86wnpuoaxc.fsf@gmail.com> <87r1eqx569.fsf@gmail.com> <87mtpew655.fsf@gmail.com> Date: Wed, 18 Aug 2021 22:25:12 -0400 In-Reply-To: <87mtpew655.fsf@gmail.com> (Maxim Cournoyer's message of "Wed, 18 Aug 2021 21:54:46 -0400") Message-ID: <87fsv6w4qf.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 30290 Cc: Mathieu Othacehe , 30290@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Extra note: the problems reported earlier (hang or backtrace instead of graceful fallback to other substitute servers) also affect the scenario where substitutes are fetched from uDNS discovered substitute servers (I just tried). Thanks, Maxim