linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: mck <mck@apache.org>
To: linux-btrfs@vger.kernel.org
Subject: Re: Applications using fsync cause hangs for several seconds every few minutes
Date: Wed, 03 Aug 2011 17:50:10 +0200	[thread overview]
Message-ID: <1312386610.23947.2.camel@localhost> (raw)
In-Reply-To: <4E2478B1.60601@redhat.com>

[-- Attachment #1: Type: text/plain, Size: 557 bytes --]

On Mon, 2011-07-18 at 14:17 -0400, Josef Bacik wrote:
> I've been looking into this and I have a suspicion.  Would you run
> with this patch and see if the problem goes away? 

Didn't help me.

2.6.39 is not usable. 3.0.0 is ok for a few hours then too becomes
unusable. This is discussed in future threads, eg "Btrfs slowdown".

dumbing out fsync (libeatmydata) only gives marginal improvements...

~mck

-- 
Bombing for peace is like F***ing for virginity | www.semb.wever.org |
www.sesat.no | tech.finn.no | http://xss-http-filter.sf.net

[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 198 bytes --]

  parent reply	other threads:[~2011-08-03 15:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-06 22:58 Applications using fsync cause hangs for several seconds every few minutes Nirbheek Chauhan
2011-07-18 17:37 ` Mck
2011-07-18 18:17 ` Josef Bacik
2011-07-20 20:59   ` Nirbheek Chauhan
2011-08-03 15:50   ` mck [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-06-21 11:15 Jan Stilow
2011-08-09 21:29 Andrew Guertin
2011-08-12  1:13 ` Andrew Guertin
2011-08-18 14:38   ` Chris Mason
2011-08-20 17:18     ` Andrew Guertin
2011-08-17 14:24 ` Andrew Guertin
2011-08-17 14:29   ` Michael Cronenworth
2011-08-17 14:38     ` Andrew Guertin
2011-08-17 14:55       ` Dave
2011-08-18  2:41         ` Anand Jain
2011-08-18  6:44           ` youagree
2011-08-18  7:29             ` Andrew Guertin
2011-08-18  7:55               ` youagree
2011-08-18 11:45               ` Andrew Guertin
2011-08-19  9:58                 ` Anand Jain
2011-08-18  7:41           ` Andrew Guertin
2011-08-18  6:47     ` Chris Samuel
2011-08-18  6:58       ` youagree
2011-08-19  7:34         ` Chris Samuel

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=1312386610.23947.2.camel@localhost \
    --to=mck@apache.org \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).