All of lore.kernel.org
 help / color / mirror / Atom feed
From: Timofey Titovets <nefelim4ag@gmail.com>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Space not return
Date: Fri, 18 Dec 2015 12:37:48 +0300	[thread overview]
Message-ID: <CAGqmi75csQRJifFt=66ooQ9SHqxfeAJoRe+u7v21gNqaFibpgA@mail.gmail.com> (raw)

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

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,
Timofey.

             reply	other threads:[~2015-12-18  9:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-18  9:37 Timofey Titovets [this message]
2015-12-18 12:49 ` Space not return Henk Slager
2015-12-18 13:58   ` Timofey Titovets

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAGqmi75csQRJifFt=66ooQ9SHqxfeAJoRe+u7v21gNqaFibpgA@mail.gmail.com' \
    --to=nefelim4ag@gmail.com \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.