From owner-freebsd-fs@FreeBSD.ORG Sun Apr 5 14:23:54 2015 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3ECCFA04 for ; Sun, 5 Apr 2015 14:23:54 +0000 (UTC) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0BE9C17C for ; Sun, 5 Apr 2015 14:23:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Message-ID:Subject:To:From:Date:Content-Transfer-Encoding:Content-Type:MIME-Version; bh=Da2rC/rfFP1rDuwoEezMASYct1T30kGXfj73/9Le820=; b=eY0fdWBL2QTF1Eyszcj2PvZWcR/lTdmY1B/b/InRpSo6dpg5+ygCyv9miykLbNC5CeN/x8GqOUmW0b7WSnVvFEQdTZFUGgjupj3JMNTcqcrAJ8daIfQOLNDQPC3/zNyvJMawHSadv3LUOd4ajXPZGpfK4TwdZTbxYkVcjeTBQKc=; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]:36308 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1:DHE-RSA-AES128-SHA:128) (Exim 4.85 (FreeBSD)) (envelope-from ) id 1YelSp-0003ZG-I1 for freebsd-fs@freebsd.org; Sun, 05 Apr 2015 09:23:53 -0500 Received: from 104-54-221-134.lightspeed.austtx.sbcglobal.net ([104.54.221.134]) by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Sun, 05 Apr 2015 09:23:51 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sun, 05 Apr 2015 09:23:51 -0500 From: Larry Rosenman To: Freebsd fs Subject: Swap usage with ZFS Message-ID: <880944c05bb859ca0fc97b2d8606fe29@thebighonker.lerctr.org> X-Sender: ler@lerctr.org User-Agent: Roundcube Webmail/1.1.1 X-Spam-Score: -2.9 (--) X-LERCTR-Spam-Score: -2.9 (--) X-Spam-Report: SpamScore (-2.9/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-LERCTR-Spam-Report: SpamScore (-2.9/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Apr 2015 14:23:54 -0000 I have a -HEAD (11-CURRENT) box that has 64G of memory, but very little load. The ZFS ARC grows to eat most of it, but I see around 200M in use in SWAP. This was under control in 10.x. I'm wondering what information y'all need to help diagnose why. borg.lerctr.org /home/ler $ uname -aKU FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #32 r281050: Fri Apr 3 16:41:13 CDT 2015 root@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64 1100067 1100067 borg.lerctr.org /home/ler $ borg.lerctr.org /home/ler $ top last pid: 26313; load averages: 6.92, 6.79, 6.83 up 1+16:26:05 09:23:13 80 processes: 4 running, 76 sleeping CPU: 0.0% user, 46.9% nice, 0.3% system, 0.0% interrupt, 52.8% idle Mem: 281M Active, 539M Inact, 59G Wired, 18M Cache, 8128K Buf, 1241M Free ARC: 55G Total, 42G MFU, 9766M MRU, 1044K Anon, 568M Header, 3437M Other Swap: 128G Total, 205M Used, 128G Free -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 108 Turvey Cove, Hutto, TX 78634-5688