From owner-freebsd-current@freebsd.org Tue Mar 6 17:35:03 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 EE681F4526D for ; Tue, 6 Mar 2018 17:35:02 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:bb:dcff:fe50:d900]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "lerctr.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8264A816F0 for ; Tue, 6 Mar 2018 17:35:02 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=tfoCj7KlaVn4lZEp0pyHZNXndGjgXNNWJM7JuFbZMLE=; b=pUIM3M4PyooD6J8dmJxO2yzGVd dP5Fo7BuIGNg5Gb0mYO+6L3kLkRMJ9QA0DK0cz65P54tXZLreSv94TQ0Fa7NEGKviJLiChZblRao9 HWIZMAofZjn8bMMkrACC6PNrlGNWy7nAYKG8A3rMmYUXNx9BmJp/a9F3dqyhBiMbKV4c=; Received: from [2600:1700:210:b18f:49b1:faaf:d4e0:66d4] (port=50505 helo=ler-imac.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1 (FreeBSD)) (envelope-from ) id 1etGUK-0003dR-H0; Tue, 06 Mar 2018 11:34:56 -0600 Date: Tue, 6 Mar 2018 11:34:56 -0600 From: Larry Rosenman To: "Rodney W. Grimes" Cc: Trond =?utf-8?Q?Endrest=C3=B8l?= , FreeBSD current Subject: Re: Strange ARC/Swap/CPU on yesterday's -CURRENT Message-ID: <20180306173455.oacyqlbib4sbafqd@ler-imac.lerctr.org> Mail-Followup-To: "Rodney W. Grimes" , Trond =?utf-8?Q?Endrest=C3=B8l?= , FreeBSD current References: <201803061640.w26GeA4g049742@pdx.rh.CN85.dnsmgr.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ba44l6sid45pszcn" Content-Disposition: inline In-Reply-To: <201803061640.w26GeA4g049742@pdx.rh.CN85.dnsmgr.net> User-Agent: NeoMutt/20180223 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 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: Tue, 06 Mar 2018 17:35:03 -0000 --ba44l6sid45pszcn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 06, 2018 at 08:40:10AM -0800, Rodney W. Grimes wrote: > > On Mon, 5 Mar 2018 14:39-0600, Larry Rosenman wrote: > >=20 > > > Upgraded to: > > >=20 > > > FreeBSD borg.lerctr.org 12.0-CURRENT FreeBSD 12.0-CURRENT #11 r330385= : Sun Mar 4 12:48:52 CST 2018 root@borg.lerctr.org:/usr/obj/usr/src/am= d64.amd64/sys/VT-LER amd64 > > > +1200060 1200060 > > >=20 > > > Yesterday, and I'm seeing really strange slowness, ARC use, and SWAP = use and swapping. > > >=20 > > > See http://www.lerctr.org/~ler/FreeBSD/Swapuse.png > >=20 > > I see these symptoms on stable/11. One of my servers has 32 GiB of=20 > > RAM. After a reboot all is well. ARC starts to fill up, and I still=20 > > have more than half of the memory available for user processes. > >=20 > > After running the periodic jobs at night, the amount of wired memory=20 > > goes sky high. /etc/periodic/weekly/310.locate is a particular nasty=20 > > one. >=20 > I would like to find out if this is the same person I have > reporting this problem from another source, or if this is > a confirmation of a bug I was helping someone else with. >=20 > Have you been in contact with Michael Dexter about this > issue, or any other forum/mailing list/etc? =20 Just IRC/Slack, with no response. >=20 > If not then we have at least 2 reports of this unbound > wired memory growth, if so hopefully someone here can > take you further in the debug than we have been able > to get. What can I provide? The system is still in this state as the full backup i= s slow. >=20 > >=20 > > Limiting the ARC to, say, 16 GiB, has no effect of the high amount of= =20 > > wired memory. After a few more days, the kernel consumes virtually all= =20 > > memory, forcing processes in and out of the swap device. >=20 > Our experience as well. >=20 > ... >=20 > Thanks, > --=20 > Rod Grimes rgrimes@freebs= d.org --=20 Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 5708 Sabbia Drive, Round Rock, TX 78665-2106 --ba44l6sid45pszcn Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQHABAABCgCqFiEEHjgknedhWzvJgwVzaXyZsatIp30FAlqe0T8sFIAAAAAAFQAO cGthLWFkZHJlc3NAZ251cGcub3JnbGVyQGxlcmN0ci5vcmdfFIAAAAAALgAoaXNz dWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDFFMzgy NDlERTc2MTVCM0JDOTgzMDU3MzY5N0M5OUIxQUI0OEE3N0QACgkQaXyZsatIp301 sgf/aUtGxOg7uDRbVfuS9FhkhuszYV4dovqrg6Et6zstUWrmJXbp43dBALl1e8OF vAiDWByns800aBeyZvlBKwSBKobpnVAccdvwcBZjDKNMAQIjo6ktk+dVzhNZwhha Qn234pEBeDfACE8al913Ae3q8UH2aBMZ9ANiXn+TpDdoKVjI1y9WISFBg9taWTMR G5xPoXy4SwEtAuPcO+Mn07+X9HiSvG9o9e277GC32WrOFsqQN95MdjEN7j8/Yzpr xZARXHkf68dqX2t6v0Gehj4sDhmAyhQJ4BO/cZgt1snmxw0ZF21gqYjep4WI/P3X 1W9D0Lulu75e5Y37bBIkUxTXEw== =MDT0 -----END PGP SIGNATURE----- --ba44l6sid45pszcn--