Date: Mon, 14 Jan 2013 00:52:39 +0100 From: Nicolas Rachinsky <fbsd-mas-0@ml.turing-complete.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: slowdown of zfs (tx->tx) Message-ID: <20130113235239.GA16318@mid.pc5.i.0x5.de> In-Reply-To: <C3BE7751389046ED8A03C8EA9699A76B@multiplay.co.uk> References: <20130108174225.GA17260@mid.pc5.i.0x5.de> <CAFqOu6jgA8RWV5d%2BrOBk8D=3Vu3yWSnDkAi1cFJ0esj4OpBy2Q@mail.gmail.com> <20130109162613.GA34276@mid.pc5.i.0x5.de> <CAFqOu6jrng=v8eVyhqV-PBqJM_dYy%2BU7X4%2B=ahBeoxvK4mxcSA@mail.gmail.com> <20130110193949.GA10023@mid.pc5.i.0x5.de> <20130111111147.GA34160@mid.pc5.i.0x5.de> <C3BE7751389046ED8A03C8EA9699A76B@multiplay.co.uk>
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* Steven Hartland <killing@multiplay.co.uk> [2013-01-11 13:58 -0000]: > TBH looks like your just saturating your disks with the number of IOP's > your doing. But now a backup takes forever (16hours and more) that took less than 30 minutes two weeks ago. I duplicated the complete setup to another (slower) server. There the backups are slower than they were on this machine, but they are much faster than on this machine. Nicolas -- http://www.rachinsky.de/nicolas
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