From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id GPwEFDDqd183MQAA0tVLHw (envelope-from ) for ; Sat, 03 Oct 2020 03:04:16 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id wH7ZDzDqd18lFwAA1q6Kng (envelope-from ) for ; Sat, 03 Oct 2020 03:04:16 +0000 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 83F6D9401BD for ; Sat, 3 Oct 2020 03:04:15 +0000 (UTC) Received: from localhost ([::1]:43720 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kOXqI-00015A-AN for larch@yhetil.org; Fri, 02 Oct 2020 23:04:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44710) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kOXq8-00014e-4v for bug-guix@gnu.org; Fri, 02 Oct 2020 23:04:04 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:59490) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kOXq6-0001Rc-VM for bug-guix@gnu.org; Fri, 02 Oct 2020 23:04:03 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kOXq6-0001pP-NT for bug-guix@gnu.org; Fri, 02 Oct 2020 23:04:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#43773: guix offload scheduler/load balancer throttles itself Resent-From: Maxim Cournoyer Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sat, 03 Oct 2020 03:04:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 43773 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 43773@debbugs.gnu.org X-Debbugs-Original-To: bug-guix Received: via spool by submit@debbugs.gnu.org id=B.16016942297005 (code B ref -1); Sat, 03 Oct 2020 03:04:02 +0000 Received: (at submit) by debbugs.gnu.org; 3 Oct 2020 03:03:49 +0000 Received: from localhost ([127.0.0.1]:42803 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kOXps-0001ov-Kc for submit@debbugs.gnu.org; Fri, 02 Oct 2020 23:03:48 -0400 Received: from lists.gnu.org ([209.51.188.17]:60716) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kOXpp-0001ok-Rz for submit@debbugs.gnu.org; Fri, 02 Oct 2020 23:03:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44702) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kOXpp-00011b-LV for bug-guix@gnu.org; Fri, 02 Oct 2020 23:03:45 -0400 Received: from mail-qk1-x735.google.com ([2607:f8b0:4864:20::735]:34140) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kOXpl-0001MS-Gr for bug-guix@gnu.org; Fri, 02 Oct 2020 23:03:45 -0400 Received: by mail-qk1-x735.google.com with SMTP id c62so5337391qke.1 for ; Fri, 02 Oct 2020 20:03:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version; bh=0emW0dnNRn/jr1p5jPDdlrE7o8ervXUXWYhw//Z6jhs=; b=WseFE/QR5khvCnga+89aNDAPw5Jb52hXtJJ6kNW+NmYdQ9UGSZOtgHgr2IgeJgQ6zH D/u7qkZhGDSroJQcyv3rwpD/WhfBvXI2R62L697jDOH9Q6BKwLhdsV13Ha0NoTrbWjrq gVJ3FQJBw24Xwatqtk6AeftwRWOHW69DKBhooi91fWG5rbzyS531vzMtIaiywF9SBZGw d2DNdbRUYjSv1euTorB/xl/Ks+b2zs4kjHmW8rYyhG6PrsVKgm47IENfRkzrLoHH4LoT AYd1/e8+5LSSQ0RZv+BleQL7z3rZFozrErTIXgew/ITh+hhNFwRz/Q4KIOnuYL1fkKOg slEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version; bh=0emW0dnNRn/jr1p5jPDdlrE7o8ervXUXWYhw//Z6jhs=; b=N2JhZqcmCHbf0Bx2FQ36WeXN4SJg7/Kai70gslEc6rtRGKU2hszUTx+HggarwMTIGa u2Ekd2AfvteG017heXw8HM6UN68bdDiNqWWnafOrMzFhTXvUCpgqHJCaD5Ka1ZV48Emz uunl7uTaK3GVjf7FY0Tkl9DbDRJj43fsJdiOKcB4EFio/i6zFip5mQzrSDm4wOnoXHRd HDR89xVRGBjmiky1ZpjmDBU1GETI0RahKwweriytxt0JHyuAkxkNesICuVbxz8xj1+Ii ZKfVXffMbB7cFHrbPzwjtekVJwkDrnbHdwP2AtmZk+n84iJO1ITdXuIFbgMnOHVN49gb ZWxQ== X-Gm-Message-State: AOAM531skfwertiAhR/gkHGctGAyNhkv4zodF+FMGXb//GjGO4cQ6qDH MLrcJa0szzR7Idg1YuJyEs/WXgKzBC+iWA== X-Google-Smtp-Source: ABdhPJzucxbBgWiD2IC7qOjfZgQs92QIAg/nA9Nn4gefzY2FlWfG2jtO6T2hs7ELcygeStj5hRPzsg== X-Received: by 2002:a05:620a:222:: with SMTP id u2mr4937812qkm.218.1601694218994; Fri, 02 Oct 2020 20:03:38 -0700 (PDT) Received: from hurd (dsl-10-135-18.b2b2c.ca. [72.10.135.18]) by smtp.gmail.com with ESMTPSA id 7sm2520972qkh.60.2020.10.02.20.03.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Oct 2020 20:03:38 -0700 (PDT) From: Maxim Cournoyer Date: Fri, 02 Oct 2020 23:05:20 -0400 Message-ID: <875z7sm2kv.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=2607:f8b0:4864:20::735; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qk1-x735.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -2.3 (--) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=gmail.com header.s=20161025 header.b=WseFE/QR; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: 0.09 X-TUID: ANy/nZx8MMWL Hello, Guix offload monitors the load of the offload machine, and waits patiently until the load comes back down below a pre-determined level (normalized 2.0 level, it seems) before starting the next build, even when there is a single offload build machine involved. This is inefficient and causes it to throttle itself. Idea of an improvement: it should choose the offload machine with the less load (already the case, I believe), and not block waiting for the load to go down before starting a build. Maxim