From owner-freebsd-current@freebsd.org Mon Oct 15 02:01:28 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 69E0E10CBC64 for ; Mon, 15 Oct 2018 02:01:28 +0000 (UTC) (envelope-from rebecca@bluestop.org) Received: from muon.bluestop.org (muon.bluestop.org [96.73.9.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 02D437F5D0; Mon, 15 Oct 2018 02:01:27 +0000 (UTC) (envelope-from rebecca@bluestop.org) Received: from muon.bluestop.org (localhost [127.0.0.1]) by muon.bluestop.org (Postfix) with ESMTP id 9FE133795B; Sun, 14 Oct 2018 20:01:55 -0600 (MDT) Received: from muon.bluestop.org ([127.0.0.1]) by muon.bluestop.org (muon.bluestop.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ioaWBCw_Yn88; Sun, 14 Oct 2018 20:01:55 -0600 (MDT) Received: from tau.bluestop.org (gw.bluestop.org [96.73.9.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by muon.bluestop.org (Postfix) with ESMTPSA; Sun, 14 Oct 2018 20:01:55 -0600 (MDT) Subject: Re: 12.0-ALPHA5 - ZFS default ARC max apparently forcing system to run out of memory To: Allan Jude , freebsd-current@freebsd.org References: <73c9d4f4-02db-1db2-419b-04167ed9216e@freebsd.org> From: Rebecca Cran Message-ID: Date: Sun, 14 Oct 2018 20:01:18 -0600 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <73c9d4f4-02db-1db2-419b-04167ed9216e@freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Oct 2018 02:01:28 -0000 On 9/27/18 9:00 PM, Allan Jude wrote: > > It doesn't appear like ZFS is dominating memory usage there. Using less > than the 8GB you indicated that setting the max to solved the problem... You're right, the problem appeared again despite having limited ZFS: FreeBSD tau.bluestop.org 12.0-ALPHA8 FreeBSD 12.0-ALPHA8 dc3b1a4cf0e(master) MYKERNEL  amd64 vfs.zfs.arc_max: 8589934592 Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(14): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(8): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(8): failed Oct  9 22:17:50 tau syslogd: last message repeated 1 times Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(4): failed Oct  9 22:17:50 tau syslogd: last message repeated 2 times Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(5): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(4): failed Oct  9 22:17:50 tau syslogd: last message repeated 1 times Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(3): failed Oct  9 22:17:50 tau syslogd: last message repeated 1 times Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(3): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(3): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(5): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(3): failed Oct  9 22:17:50 tau syslogd: last message repeated 1 times Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(3): failed Oct  9 22:17:50 tau kernel: swap_pager_getswapspace(15): failed Oct  9 22:21:51 tau kernel: swap_pager_getswapspace(1): failed Oct  9 22:36:03 tau kernel: pid 9236 (cc1plus), uid 0, was killed: out of swap space Oct  9 22:40:55 tau kernel: pid 29131 (cc1plus), uid 0, was killed: out of swap space Oct  9 22:40:56 tau kernel: pid 82673 (firefox), uid 1001, was killed: out of swap space Oct  9 22:40:57 tau kernel: pid 30363 (firefox), uid 1001: exited on signal 11 (core dumped) Oct  9 22:40:59 tau kernel: pid 46714 (firefox), uid 1001: exited on signal 11 (core dumped) Oct  9 22:41:00 tau kernel: pid 62612 (firefox), uid 1001: exited on signal 11 (core dumped) -- Rebecca Cran