Date: Wed, 03 Mar 2010 08:29:14 -0800 From: Tim Kientzle <kientzle@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-hackers@freebsd.org, Alex RAY <ray@ddteam.net>, Ivan Voras <ivoras@freebsd.org> Subject: Re: GEOM_ULZMA Message-ID: <4B8E8E5A.5050203@freebsd.org> In-Reply-To: <d763ac661003030001k1055eae8rb106dcc9e73047dc@mail.gmail.com> References: <20100219163644.da89e882.ray__27111.9062825621$1266591431$gmane$org@dlink.ua> <hlmb66$n0t$1@ger.gmane.org> <20100219222604.44e50248.ray@ddteam.net> <d763ac661002200636u6a0d9546id96fbe2302c7122b@mail.gmail.com> <20100220201510.720c62fd.ray@ddteam.net> <d763ac661002201020g381ab6c0uca6d6fa3f660ed1b@mail.gmail.com> <d763ac661003030001k1055eae8rb106dcc9e73047dc@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Adrian Chadd wrote: > On 21 February 2010 02:20, Adrian Chadd <adrian@freebsd.org> wrote: >> Oh I know that! I'm just saying that I may try lzma'ing the kernel and >> rootfs's to see what kind of savings I get over gzip. :) > > The answer is "whoa". 24 megabyte compressed kernel + MDROOT drops to > 6.5 megabytes with gzip -9 and a few bytes shy of 5 megabytes with a > default lzma compress. Interesting question: What is the impact on boot speed? It could be a lot faster to load 5MB from disk and decompress to a 24MB image than to wait for 24MB from disk. > This is +1 for GEOM_ULZMA too if it's as effective for the mfs itself. > I'll toy with that later. Let us know what you find. Tim
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4B8E8E5A.5050203>