On 03/31/2012 04:25 PM, Walter Dnes wrote: > On Sat, Mar 31, 2012 at 10:42:50AM -0700, Zac Medico wrote >> On 03/31/2012 06:34 AM, Pacho Ramos wrote: >>> About the wiki page, I can only document reiserfs+tail usage as it's the >>> one I use and I know, about other alternatives like using squashfs, loop >>> mount... I cannot promise anything as I simply don't know how to set >>> them. >> >> Squashfs is really simple to use: >> >> mksquashfs /usr/portage portage.squashfs >> mount -o loop portage.squashfs /usr/portage > > Don't the "space-saving filesystems" (squashfs, reiserfs-with-tail, > etc) run more slowly due to their extra finicky steps to save space? If > you really want to save a gigabyte or 2, run "eclean -d distfiles" and > "localepurge" after every emerge update. I've also cobbled together my > own "autodepclean" script that check for, and optionally unmerges > unneeded stuff that was pulled in as a dependancy of a package that has > since been removed.
Well, in this case squashfs is more about improving access time than saving space. You end up with the whole tree stored in a mostly contiguous chunk of disk space, which minimizes seek time. -- Thanks, Zac