mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Thomas Fjellstrom <thomas@fjellstrom.ca>
To: linux-kernel@vger.kernel.org
Subject: Re: rsync causing high loads on 2.6.36-rc4
Date: Tue, 21 Sep 2010 19:18:02 -0600	[thread overview]
Message-ID: <201009211918.02364.thomas@fjellstrom.ca> (raw)
In-Reply-To: <201009211859.05770.thomas@fjellstrom.ca>

On September 21, 2010, Thomas Fjellstrom wrote:
> This isn't something I remember happening with older kernels, but I just
> started an rsync from an nfs share over GbE, to a external SATA drive over
> usb 2, and I'm seeing both of my laptop's cores hitting 80-100% cpu use,
> two rsync processes are using 20-40% each, some kworker's are using tiny
> bits (2-10%), and kswapd0 is hovering around 5%. Quite a lot of the time
> seems to be io- wait. load average is almost at 6.
> 
> This is a dual core T9400 core2duo laptop, with 4GB ram, running full amd64
> (64bit 2.6.36-rc4 kernel and userspace).
> 
> Its impacting desktop interactivity quite a lot.

It's not quite as bad with a regular cp, but it does affect my laptop in the 
same way.

-- 
Thomas Fjellstrom
thomas@fjellstrom.ca

      reply	other threads:[~2010-09-22  1:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-22  0:59 Thomas Fjellstrom
2010-09-22  1:18 ` Thomas Fjellstrom [this message]

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=201009211918.02364.thomas@fjellstrom.ca \
    --to=thomas@fjellstrom.ca \
    --cc=linux-kernel@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

Powered by JetHome