Date: Mon, 21 Jan 2019 13:18:58 +0100 From: Lars Liedtke <liedtke@punkt.de> To: Yasuhiro KIMURA <yasu@utahime.org>, freebsd-questions@freebsd.org Subject: Re: Performance degradation of ZFS? Message-ID: <102da655-e6c1-ee50-aad5-e3fe55d233de@punkt.de> In-Reply-To: <20190121.210941.2275299827563542964.yasu@utahime.org> References: <20190121.210941.2275299827563542964.yasu@utahime.org>
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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
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