On Fri, Apr 01, 2016 at 09:20:52PM +0200, Henk Slager wrote: > On Fri, Apr 1, 2016 at 6:50 PM, Marc Haber <mh+linux-bt...@zugschlus.de> > wrote: > > On Fri, Apr 01, 2016 at 06:30:20PM +0200, Marc Haber wrote: > >> On Fri, Apr 01, 2016 at 05:44:30PM +0200, Henk Slager wrote: > >> > On Fri, Apr 1, 2016 at 3:40 PM, Marc Haber <mh+linux-bt...@zugschlus.de> > >> > wrote: > >> > > btrfs balance -mprofiles seems to do something. one kworked and one > >> > > btrfs-transaction process hog one CPU core each for hours, while > >> > > blocking the filesystem for minutes apiece, which leads to the host > >> > > being nearly unuseable up to the point of "clock and mouse pointer > >> > > frozen for nearly ten minutes". > >> > > >> > I assume you still have your every 10 minutes snapshotting running > >> > while balancing? > >> > >> No, I disabled the cronjob before trying the balance. I might be > >> crazy, but not stup^wunexperienced. > > > > That being said, I would still expect the code not to allow _this_ > > kind of effect on the entire system when two alledgely incompatible > > operations run simultaneously. I mean, Linux is a multi-user, > > multi-tasking operating system where one simply cannot expect all > > processes to be cooperative to each other. We have the operating > > systems to prevent this kind of issues, not to cause them. > > Maybe look at it differently: Does user mh have trouble using this > laptop w.r.t. storing files?
No. I would have cried murder otherwise. > In openSUSE Tumbleweed (the snapshot from end of march), root access > is needed to change the default snapshotting config, otherwise you > will have a 10 year history. After that change has been done according > to needs of the user, there is no need to run manual balance. So you are saying the balancing a filesystem should never be necessary? Or what are you trying to say? Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
