All of lore.kernel.org
 help / color / mirror / Atom feed
From: Marat Khalili <mkh@rqc.ru>
To: linux-btrfs@vger.kernel.org
Subject: Re: Problem with file system
Date: Tue, 25 Apr 2017 08:33:55 +0300	[thread overview]
Message-ID: <f6428a81-6fc8-1a73-0151-d13dd550c277@rqc.ru> (raw)
In-Reply-To: <9871a669-141b-ac64-9da6-9050bcad7640@cn.fujitsu.com>

On 25/04/17 03:26, Qu Wenruo wrote:
> IIRC qgroup for subvolume deletion will cause full subtree rescan 
> which can cause tons of memory. 
Could it be this bad, 24GB of RAM for a 5.6TB volume? What does it even 
use this absurd amount of memory for? Is it swappable?

Haven't read about RAM limitations for running qgroups before, only 
about CPU load (which importantly only requires patience, does not crash 
servers).

--

With Best Regards,
Marat Khalili

  reply	other threads:[~2017-04-25  5:33 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-24 15:27 Problem with file system Fred Van Andel
2017-04-24 17:02 ` Chris Murphy
2017-04-25  4:05   ` Duncan
2017-04-25  0:26 ` Qu Wenruo
2017-04-25  5:33   ` Marat Khalili [this message]
2017-04-25  6:13     ` Qu Wenruo
2017-04-26 16:43       ` Fred Van Andel
2017-10-30  3:31         ` Dave
2017-10-30 21:37           ` Chris Murphy
2017-10-31  5:57             ` Marat Khalili
2017-10-31 11:28               ` Austin S. Hemmelgarn
2017-11-03  7:42                 ` Kai Krakow
2017-11-03 11:33                   ` Austin S. Hemmelgarn
2017-11-03 22:03                 ` Chris Murphy
2017-11-04  4:46                   ` Adam Borowski
2017-11-04 12:00                     ` Marat Khalili
2017-11-04 17:14                     ` Chris Murphy
2017-11-06 13:29                       ` Austin S. Hemmelgarn
2017-11-06 18:45                         ` Chris Murphy
2017-11-06 19:12                           ` Austin S. Hemmelgarn
2017-11-04  7:26             ` Dave
2017-11-04 17:25               ` Chris Murphy
2017-11-07  7:01                 ` Dave
2017-11-07 13:02                   ` Austin S. Hemmelgarn
2017-11-08  4:50                     ` Chris Murphy
2017-11-08 12:13                       ` Austin S. Hemmelgarn
2017-11-08 17:17                         ` Chris Murphy
2017-11-08 17:22                           ` Hugo Mills
2017-11-08 17:54                             ` Chris Murphy
2017-11-08 18:10                               ` Austin S. Hemmelgarn
2017-11-08 18:31                                 ` Chris Murphy
2017-11-08 19:29                                   ` Austin S. Hemmelgarn
2017-10-31  1:58           ` Duncan

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=f6428a81-6fc8-1a73-0151-d13dd550c277@rqc.ru \
    --to=mkh@rqc.ru \
    --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.