Date: Wed, 17 Nov 2004 00:07:12 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Dmitry Frolov <frolov@riss-telecom.ru> Cc: freebsd-current@freebsd.org Subject: Re: TEST: phk_bufwork patchfile Message-ID: <13092.1100646432@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 16 Nov 2004 23:45:36 %2B0600." <20041116174536.GA17279@nerve.riss-telecom.ru>
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In message <20041116174536.GA17279@nerve.riss-telecom.ru>, Dmitry Frolov writes : >* Poul-Henning Kamp <phk@phk.freebsd.dk> [16.11.2004 14:19]: > >> >My intents are to make storage available for jails via regular files which >> >is at the moment no option since performance gets horrible. If I understand >> >things right then this framework should improove performance dramatically >> >when e. g. copying /sys to /vnode_backed_md0. >> >> Not particularly. > >Performance issue with a file backed filesystems is a major showstopper >for me too. Since I'm not a kernel hacker, I'm currenly waiting for >someone to fix this. If I understand issue correctly, fixing it requires >much work on syncer (probably some sort of "layering"?). Does anybody >working or planning to work on this? We're getting there, but things take time. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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