On Fri, 2006-01-13 at 07:27 +0900, Junichi Uekawa wrote: > Hi, > > This is an update on using userland COW method with pbuilder. > > cowdancer is a tool that allows you to "cp -al" (hardlink) a tree, and > break the hardlink when a write-open to a file is performed. The > adventurous part of cowdancer COW implementation is that it's trying > to do this from within userland only. > > cowbuilder doesn't really exist yet; it's a name for pbuilder ported > to fully use cowdancer. cowdancer is under development, and Debian > package exists in unstable. It seems like it's getting nearly there > with the feature set. With version 0.8, performance is improved > against a large tree (I profiled against building the kernel), and > with version 0.9, I fixed a bug which you could not replace /lib/ld.so > while cowdancer was running. Are you aware of fl-cow, which is a LD_PRELOAD userspace COW tool ? Rob -- GPG key available at: <http://www.robertcollins.net/keys.txt>.
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