Date: Fri, 9 Aug 2019 08:22:27 -0500 (CDT) From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> To: fs@freebsd.org Subject: Re: [Bug 237807] ZFS: ZVOL writes fast, ZVOL reads abysmal... Message-ID: <alpine.GSO.2.20.1908090819300.2070@freddy.simplesystems.org> In-Reply-To: <bug-237807-3630-vlJsbWwBZE@https.bugs.freebsd.org/bugzilla/> References: <bug-237807-3630@https.bugs.freebsd.org/bugzilla/> <bug-237807-3630-vlJsbWwBZE@https.bugs.freebsd.org/bugzilla/>
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On Fri, 9 Aug 2019, bugzilla-noreply@freebsd.org wrote: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237807 > > --- Comment #10 from Nils Beyer <nbe@renzel.net> --- > maybe I'm too supid, I don't know. I can't get the pool fast... > > Created the pool from scratch. Updated to latest 12-STABLE. But reads from that > pool are still abysmal. There may indeed be an underlying problem, but for this application you should be using simple mirrors rather than raidz1 with just 3 disks each. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ Public Key, http://www.simplesystems.org/users/bfriesen/public-key.txt
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