From owner-freebsd-questions@freebsd.org Mon Jan 21 12:35:33 2019 Return-Path: Delivered-To: freebsd-questions@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 D829D14A81CE for ; Mon, 21 Jan 2019 12:35:32 +0000 (UTC) (envelope-from liedtke@punkt.de) Received: from kagate.punkt.de (kagate.punkt.de [217.29.33.131]) (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 B9A7B86E5D for ; Mon, 21 Jan 2019 12:35:25 +0000 (UTC) (envelope-from liedtke@punkt.de) Received: from hugo10.ka.punkt.de (hugo10.ka.punkt.de [217.29.44.10]) by gate2.intern.punkt.de with ESMTP id x0LCIwtA070810; Mon, 21 Jan 2019 13:18:58 +0100 (CET) Received: from [217.29.44.107] ([217.29.44.107]) by hugo10.ka.punkt.de (8.14.2/8.14.2) with ESMTP id x0LCIwFJ068735; Mon, 21 Jan 2019 13:18:58 +0100 (CET) (envelope-from liedtke@punkt.de) Subject: Re: Performance degradation of ZFS? To: Yasuhiro KIMURA , freebsd-questions@freebsd.org References: <20190121.210941.2275299827563542964.yasu@utahime.org> From: Lars Liedtke Openpgp: id=874309C0D7DAE723E56F50F6DD6D744EC1628062 Autocrypt: addr=liedtke@punkt.de; prefer-encrypt=mutual; keydata= mQINBFqZsngBEAC2qgHHKyTYnOxr/giErojNdDHd4x+8snzW0F6cInzagVySiM6+htoBmUsX uIUCrbsdS4jkADo9fIs0DHfmNWs1Fgp5BWlgNIYV3+P6K756YMFlr/Q2p3ddsJ/YZ5rnkWE5 bNMOQgY9Hdl0kPB1leWy0gRyVjbwU0mv6JimA+Y4e43TG8qKGd4n26h6dUirDjjrc4esMUjz cPMobbcStYR79D2llJWdSVeYgg40E5MeExATTC7sNL9RJPcEOKHCYI1Kn85nvJw98iFyMYlh lcSKqUJhpJ20D7U0DOFJKzY/Ox0+nmmcUchspvSGgAeuBV+fvSJYH1yQnCzz+T2uBcO8JVPO aNKuZ25ruN4ILN5b3dhCTS/aR/A35QyGb9N2SR9Hb0o1L7FEu33JDT+kUeH+4sOSbuNFtadF GyfS+eCfpQvw4/Xua4nGwKkKe35ht3eeuQvzFaxNac1lvMIaHRcq93Sh3k9emVCYP7s4MhA1 OR0THAM5VHgfYIg17m1gvKnqFtgA0AmCDBn8PhYFEEUZWQ5dKQCcfylv8RTrv5qK5iiHBNjJ Mo83ZRb/o+OPzq3Rzt7VM0zZL0jdIGJ2Gn3mD2IybHv+TfcdGtF7RE0/TVacv1TdCn8F2L8q nVkTP22rdyqicydS2qUGxFTfoRAaO29fWGrW77HFyycROP4TbQARAQABtB9MYXJzIExpZWR0 a2UgPGxpZWR0a2VAcHVua3QuZGU+iQI9BBMBCAAnBQJambJ4AhsjBQkJZgGABQsJCAcCBhUI CQoLAgQWAgMBAh4BAheAAAoJEN1tdE7BYoBiVX8QALOtAPS1Nf9qOkn4Mox7CfM7QYcu4XTg SSpYrfr3p27k09NG8M3a+70PShZeK57J4occkHPu7oRAFgOcLSZkZ1bN0Ir4D/6+bh2fMh0F lYNgzYmdukn/7IUlD+NkgPafny1MOFOD3RREKVbVrvnMID0gx4tzEJZq7B2VbhJ7Njdh3PFj IzigzJEH9fHKDv2Taz6Q/qN5TwJffTF+awGdueIPEzBS/V0P83g0M+5tfRAsI4nV+Jxwi6gb rp24rTe9cuctFJpRswzrmR+kCHvhzhC6XGZJBvpGTuQQoMunAKV5edlpAsuD2RV1YBEHGZKr rOP2weoZZdvJiU5QP+Re714p5atgg1ANuWEF3X1gU1op37zy3XH/1/Fi6MYiOovai5e/SqjP 7R2hoHBxoA9kHhEe8V5MaVcKE8cxRPzckRoBf11asyBy4QON4QTW4B9bxVeSkTaYZXp14OlF rK00yoOUJa6t3NKET68wDCvpwjNiDc4Sw5Uz1QHsMpcPVfC1nbVILO12bwlGd39qmDWi5wH3 NVgsJ3E09SobCqdrx1F6/pzHbq2I5uTa5kD9AUeIOkURwPK0ipWHvggxZlFf3b33zXwlFRYh JOYJN9zSMA1tvufpzh0ASvHrwjJWTALSUaoX9AHrw/R0PhsKuxX1XG5hsQkCUfKRrQzaJC3v 2jJkuQINBFqZsngBEAC4XuIGjNznjGatJX6HeJKtRXibysYTyvLM3Uql9I22dPLOLvATgpo2 msxRWVmPgfQGyxiurDm0LZVxtC1OLNG/BtKOSXyAZ36N0uin8aF0dB6vwYUNj2tkFfho6WQY kzhcxP3YX65UrbkU7I3ACTHUskQEGGX4M7rBPml89zBeFatEMEh0eLfzzzwecYFSiJM5nxGf SDMAqtkLe0H1aWsc0KuIPP5Y1wUaRWqDMk5qEoj02sY/sL6kMACJKxruDtZq61GAWVq6XpmV 8LyDXCXJgDh+mXuXLFTONt9HbJqMZ4iJjkHFaFoBcXkEAQEN5ZaQbKdFXpPRfu0YacHWfDRi huXr/PAPLrF01dKpu74Qih8QC6xmctbMhAPFq90jUoP2xUJ7/nYj4D8k6tA84ZPjReGmYzWQ mr8HPbUuWbLMsEpCFb+EeHPLGc6ItPw1sRCI6utzxLdpB3HONimjDjLfmvPS/mm5sClu76RM WVxw5uy6dmHiAJpycMUgnyOcAjLrQVlenObpAe5EVQmcazpWkpmuhnEl1bZQpaBftkzs5kKP 30s8dLlraBYyzxYytjUW+47pOWdYYvlF4yjp5cNyegXUQGnKgJH0p+UoMBAFplY3eNxP3mlA KT8oVY9w23+m8ZOsOPAlH1bhOvcsb9lkh1KOIUuUQxkk0NSOs5IpxQARAQABiQIlBBgBCAAP BQJambJ4AhsMBQkJZgGAAAoJEN1tdE7BYoBiZHQP/3q9o8ENdGo4K7daesUmiBuedP05uLDa TXxck+7K1IsX6GpTnUMyiYm7cu/IyrhlkZBe9TaLPaOo0HEN1W7jr8PLxKtbOwQ0dIHOIi60 4DrkqvFQKH1fARaq7YJJS7DRUin5n4/hcIpoSn273kEqby8BZpsL+kB8gtIbTtVpSwJfhobh dxHBi+NlMas7KYZ8aTuNOKJTS27PjQMfeEzf8u6Hb4JSsNYuQoyoSTyBkKksx3UbjXUvESKY I3uyTF7mVXJ0hvhX4QK3XOqwTfkT8NMzc/Xkdm9iaWrap74v9vfG1Vn8KhCRSQkyjbuDuocF PEtcIEJjU1WJmIdK60X03BJUYlH3CRthJOateCZWDTOSzBIZV+JV3cnV2kx9j9+nmnTQ1yQe bpnL7OtxSONH9t+gWHuGaIX5k/Bf2Ea7cSHLm8cvza25aIQRxfqmkBrR48U1lUSZTLULxzO3 OeJacjXWGewZzJl7ecobpgs4MM7yollhKzr+1sq2SMNcVL3s+8WfeZeCorm6GJLUiABHLlr/ ISWVpM730Jc0V9PyPFAsMPQRa24FsZl8goHvp/5khoM4cvNtplh64ny83ieRjCUnQgSdhkW9 fdYhqFgfJNCacLCGxZdGrEs3F5UAtUS2nplIbODUtYQcy3Qdd+rblY8A9UTPAUCxXVLi9K6i Gk7o Message-ID: <102da655-e6c1-ee50-aad5-e3fe55d233de@punkt.de> Date: Mon, 21 Jan 2019 13:18:58 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20190121.210941.2275299827563542964.yasu@utahime.org> Content-Language: en-US X-Rspamd-Queue-Id: B9A7B86E5D X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of liedtke@punkt.de designates 217.29.33.131 as permitted sender) smtp.mailfrom=liedtke@punkt.de X-Spamd-Result: default: False [-0.99 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.88)[-0.880,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:217.29.32.0/20]; NEURAL_HAM_LONG(-0.89)[-0.894,0]; HAS_ATTACHMENT(0.00)[]; MIME_GOOD(-0.10)[multipart/mixed,text/plain]; DMARC_NA(0.00)[punkt.de]; RCVD_COUNT_THREE(0.00)[3]; MIME_TRACE(0.00)[0:+,1:+,2:~]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[mailin.pluspunkthosting.de,mailin.pluspunkthosting.de]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[131.33.29.217.list.dnswl.org : 127.0.10.0]; NEURAL_HAM_SHORT(-0.01)[-0.007,0]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:16188, ipnet:217.29.32.0/20, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(-0.00)[country: DE(-0.01)]; MIME_UNKNOWN(0.10)[application/pgp-keys] Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2019 12:35:33 -0000 Hey, might your Pool run out of capacity? Note: ZFS performance goes down from about 85% to 90% upwards. Lars  Am 21.01.19 um 13:09 schrieb Yasuhiro KIMURA: > Hello, > > Last month I upgraded my home server from 11.2-RELEASE to > 12.0-RELEASE. It is ZFS only system. After making full data backup > with tar(1) I made clean install of 12.0-RELEASE and restored backuped > data. Then there is significant improvement of I/O performance. > > Is it possible that I/O performance degrade while using ZFS for a long > time? And if answer is yes is there any way to recover performance > without making full backup and restore? > > Best Regards. > > --- > Yasuhiro KIMURA > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe Tel. 0721 9109 0 * Fax 0721 9109 100 info@punkt.de https://www.punkt.de Gf: Jürgen Egeling AG Mannheim 108285