Am 03.10.2013 11:55, schrieb Kerin Millar: > On 18/09/2013 16:09, Alan McKinnon wrote: >> On 18/09/2013 16:05, Peter Humphrey wrote: >>> On Wednesday 18 Sep 2013 14:52:30 Ralf Ramsauer wrote: >>> >>>> In my opinion, reiser is a bit outdated ... >>> >>> What is the significance of its date? I use reiserfs on my Atom box >>> for /var, >>> /var/cache/squid and /usr/portage, and on my workstation for >>> /usr/portage and >>> /home/prh/.VirtualBox. It's never given me any trouble at all. >> >> >> Sooner or later, reiser is going to bitrot. The ReiserFS code itself >> will not change, but everything around it and what it plugs into will >> change. When that happens (not if - when), there is no-one to fix the >> bug and you will find yourself up the creek sans paddle >> >> An FS is not like a widget set, you can't really live with and >> workaround any defects that develop. When an FS needs patching, it needs >> patching, no ifs and buts. Reiser may nominally have a maintainer but in >> real terms there is effectively no-one >> >> Circumstances have caused ReiserFS to become a high-risk scenario and >> even though it might perform faultlessly right now, continued use should >> be evaluated in terms of that very real risk. > > Another problem with ReiserFS is its intrinsic dependency on the BKL > (big kernel lock). Aside from hampering scalability, it necessitated > compromise when the time came to eliminate the BKL:
and that one was solved when - 4-5 years ago? > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8ebc423 > > > Note the performance loss introduced by the patch; whether that was > addressed I do not know. > > In my view, ReiserFS is only useful for saving space through tail > packing. Unfortunately, tail packing makes it slower still (an issue > that was supposed to be resolved for good in Reiser4). > why don't you mention that reiserfs used barriers by default - and ext3 did not. Just to look good at 'using defaults benchmarks' (like phoronix)? I mean, if we are digging around in history.... and btrfs is still broken in my regards... tmpfs is the filesystem of choice for /tmp or /var/tmp/portage.
