From owner-freebsd-stable@freebsd.org Fri Oct 21 05:58:22 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F15B9C1BACD for ; Fri, 21 Oct 2016 05:58:22 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (vps.rulingia.com [103.243.244.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.rulingia.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 901F39F6 for ; Fri, 21 Oct 2016 05:58:21 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from server.rulingia.com (ppp59-167-167-3.static.internode.on.net [59.167.167.3]) by vps.rulingia.com (8.15.2/8.15.2) with ESMTPS id u9L5To0Y062556 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Oct 2016 16:29:57 +1100 (AEDT) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.15.2/8.15.2) with ESMTPS id u9L5Ti59063528 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 21 Oct 2016 16:29:44 +1100 (AEDT) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.15.2/8.15.2/Submit) id u9L5ThWv063527; Fri, 21 Oct 2016 16:29:43 +1100 (AEDT) (envelope-from peter) Date: Fri, 21 Oct 2016 16:29:43 +1100 From: Peter Jeremy To: "Eugene M. Zheganin" Cc: freebsd-stable@freebsd.org Subject: Re: zfs, a directory that used to hold lot of files and listing pause Message-ID: <20161021052943.GJ62187@server.rulingia.com> References: <4d9269af-ed64-bb73-eb7f-98a3f5ffd5a2@norma.perm.ru> <40fa9fd6-15aa-d8f7-b958-8783e763e6bc@multiplay.co.uk> <577ab7b2-46c1-5cf0-b6ad-50895978d957@norma.perm.ru> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="neYutvxvOLaeuPCA" Content-Disposition: inline In-Reply-To: <577ab7b2-46c1-5cf0-b6ad-50895978d957@norma.perm.ru> X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.6.1 (2016-04-27) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Oct 2016 05:58:23 -0000 --neYutvxvOLaeuPCA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Have you done any ZFS tuning? Could you try installing ports/sysutils/zfs-stats and posting the output =66rom "zfs-stats -a". That might point to a bottleneck or poor cache tuning. --=20 Peter Jeremy --neYutvxvOLaeuPCA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJYCafHXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0HJcP/jLEqwC+EnzfdsZXplwsSL3T 3qyvSRVu40SaKtbWCCzPRJkDX8uXH8pitUj2wUrDX/PSFPJS98q866/83mESZSBo 3ebLl1+mMaMFZl54XBFLomTNuzDhZRHk1S8wHDlAgRix1HOAAPOzMfavQcmcukKG Fl1t5wvd2ONQ2FZqvZRD26BgNyQBY0a08mDAlQE9Q6zONLg+tFqlc357eo0ysXUT W1ts9q+lAyb4v+wlfy2v9QxMdqNnKdDUHdV5LFLWdovEtzHvFQ5Pc+MRmbibbu9k 4kvxP++Q5OoRbPDNujXYzCQnUpJM9kttbnxP02OHcMcKywrFtYB5HWPn0GPiSdFG ne5A6etweSl4mPm+2InxC8CiWRLtfi+lf30ghhmiGu3rtzHhX5W9/PvgsENCJMU5 EmUPLGyoi5Jk8Y1+tEjnM0TiEL23HdnjWPzdXjl3gm1wLGmcqkx51mz6vx9btLz4 zGJ5MwZlqEBz08WDIG0S3OdUeW7MV/4VLQ1Va9+GbYM4NEULGh1s3oHiWSltVWJN lbHr+88Th2pzeIQFrtix7huHOYBwRb3KUJbiA2KZ7+2egsg744ki6weM1AgbW1xz gig1mPvpksYWFA3QZ19ynwAzAJE5Fyu7xsrM6UnSjfTSOcM7ooK8SUlfyv77CGEs N5IyXJiKzk8885ciQPbX =GM+m -----END PGP SIGNATURE----- --neYutvxvOLaeuPCA--