Hi i am very very slow BTRFS, when i am start use this FS, work OK, but now is unusable it is on SWraid and LVM, not problem in RAID Copy 12MB (~30 6 subdirs jpegs) # time cp -r directory ../../src/delme2 real 2m13.965s user 0m0.008s sys 0m0.191s (91 kB/sec) Fedora 18 kernel: 3.7.2-204.fc18.x86_64 modinfo: filename: /lib/modules/3.7.2-204.fc18.x86_64/kernel/fs/btrfs/btrfs.ko license: GPL alias: devname:btrfs-control alias: char-major-10-234 depends: libcrc32c,zlib_deflate intree: Y vermagic: 3.7.2-204.fc18.x86_64 SMP mod_unload # btrfs fi df /ontap Data: total=2.23TB, used=2.22TB System, DUP: total=32.00MB, used=248.00KB System: total=4.00MB, used=0.00 Metadata, DUP: total=5.00GB, used=4.82GB /dev/mapper/vol-data on /ontap type btrfs (rw,noatime,nobarrier,space_cache) ... i am don't use compression, snapshots, subvolumes etc. When i am upgrade distro kernel from 3.6 to 3.7 BTRFS run these process: [ 7152.787631] btrfs: found 129 extents [ 7154.094930] btrfs: relocating block group 20971520 flags 34 [ 7178.283544] btrfs: found 62 extents [ 7179.230863] btrfs: relocating block group 4194304 flags 4 Yes i am waiting after process done, i am run test. # btrfs filesystem show Label: 'ontap' uuid: bdfb22ce-0475-4e51-9726-62e76636763a Total devices 1 FS bytes used 2.23TB devid 1 size 2.73TB used 2.24TB path /dev/dm-0 Btrfs Btrfs v0.19 Jarda -- 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
