On Tuesday, January 25, 2011 15:28:11 Magicloud Magiclouds wrote: > So you were saying that, even an unlink operation, the system walks > through all file data blocks? I thought unlink wouldn't have to write > too much data. No, but the amount of data to be changed if the number of extents is small will be lower. > > On Tue, Jan 25, 2011 at 6:30 PM, Hubert Kario <hka@xxxxxxxxxx> wrote: > > On Tuesday 25 of January 2011 07:45:02 Magicloud Magiclouds wrote: > >> Hi, > >> I am using 2.6.36.3 kernel with btrfs, 512MB memory and a very slow > >> disk, no special options for mounting btrfs except noatime. Now I > >> found it very slow. When I rm a 5GB movie, it took 20 secs. > > > > try mounting with nodatacow and defragment the directory the file resides > > in > > > > Regards > > -- > > Hubert Kario > > QBS - Quality Business Software > > 02-656 Warszawa, ul. KsawerÃw 30/85 > > tel. +48 (22) 646-61-51, 646-74-24 > > www.qbs.com.pl -- Hubert Kario QBS - Quality Business Software 02-656 Warszawa, ul. KsawerÃw 30/85 tel. +48 (22) 646-61-51, 646-74-24 www.qbs.com.pl -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
