Date: Wed, 21 Feb 2007 12:13:37 +0100 (CET) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-hackers@FreeBSD.ORG, peterjeremy@optushome.com.au, zbeeble@gmail.com Subject: Re: Fwd: Abyssmal dump cache efficiency Message-ID: <200702211113.l1LBDbQn006859@lurza.secnetix.de> In-Reply-To: <20070220182113.GC853@turion.vk2pj.dyndns.org>
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Peter Jeremy wrote: > I've found that you do get a worthwhile improvement in dump|restore > performance by introducing a large (10's of MB) fifo between them. > This helps reduce synchronisation between dump and restore (so that > dump can continue to read whilst restore is busy writing a batch of > small files and vice versa). There's a suitable port but I can't > recall the name because I wrote my own. There are several. The most popular ones are probably misc/team and misc/buffer. However, I wrote my own, too. :-) Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart Any opinions expressed in this message are personal to the author and may not necessarily reflect the opinions of secnetix GmbH & Co KG in any way. FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "What is this talk of 'release'? We do not make software 'releases'. Our software 'escapes', leaving a bloody trail of designers and quality assurance people in its wake."
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