Hi there,
# uname -r
3.13.6-1-ARCH
# btrfs --version
Btrfs v3.12
After having read the recent discussion about rebalance, I ran it for a test
on my laptop with a 1TB HD, which current situation (after rebalance) is :
# btrfs fi sh
Label: TETHYS uuid: 9a1ca6f4-1c1b-4a62-a84b-b388066084dc
Total devices 1 FS bytes used 575.56GiB
devid 1 size 845.00GiB used 580.06GiB path /dev/dm-3
Label: BOOT uuid: 6a16d133-4b99-47b2-876f-148a8266f58f
Total devices 1 FS bytes used 67.99MiB
devid 1 size 1.00GiB used 144.00MiB path /dev/dm-0
Btrfs v3.12
# btrfs fi df /
Data, single: total=574.00GiB, used=573.60GiB
System, DUP: total=32.00MiB, used=72.00KiB
Metadata, DUP: total=3.00GiB, used=1.96GiB
# df -h /boot /
Sys. de fichiers Taille Utilisé Dispo Uti% Monté sur
/dev/dm-0 1,0G 68M 924M 7% /boot
/dev/dm-3 845G 578G 266G 69% /
The rebalance for the biggest BTRFS took about 19 hours.
I was expecting either a speed improvement after rebalance, or no noticeable
effect, but I am extremely disappointed to see that now (and after having
rebooted), my system has become slow like hell, takes at least 10x longer to
boot and operate, to the point it has become hardly usable :-(
I would have thought a rebalance would have improved the filesystem
organization, looks like it's the absolute contrary :-(
--
Swâmi Petaramesh <swami@xxxxxxxxxxxxxx> http://petaramesh.org PGP 9076E32E
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