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* Space not return
@ 2015-12-18  9:37 Timofey Titovets
  2015-12-18 12:49 ` Henk Slager
  0 siblings, 1 reply; 3+ messages in thread
From: Timofey Titovets @ 2015-12-18  9:37 UTC (permalink / raw)
  To: linux-btrfs

Hi guys, i catch strange problem:
btrfs with mysql, mysql rewrite data, but space consumption only increasing

df -h
/dev/sdb1       112G   73G   39G  66% /var/lib/mysql

du -hs
43G /var/lib/mysql/

btrfs fi df /var/lib/mysql
Data, single: total=78.00GiB, used=72.39GiB
System, single: total=32.00MiB, used=16.00KiB
Metadata, single: total=1.00GiB, used=109.61MiB
GlobalReserve, single: total=48.00MiB, used=0.00B

This is fresh fs (seven hours old)
Created by btrfs-progs 4.1.2
Linux 4.2.0-0.bpo.1-amd64 #1 SMP Debian 4.2.6-3~bpo8+2 (2015-12-14)
x86_64 GNU/Linux

Btrfsck not found any errors on this device

P.S. First i think what it because system have opened files
descriptors, but after reboot, space not return
If i write file by dd and after delete it, space will returned (with
direct io and without)

Have a nice day,

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2015-12-18 13:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2015-12-18  9:37 Space not return Timofey Titovets
2015-12-18 12:49 ` Henk Slager
2015-12-18 13:58   ` Timofey Titovets

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