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From: Robert Hancock <hancockr@shaw.ca>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: jasons@pioneer-pra.com
Subject: Re: High load average on disk I/O on 2.6.17-rc3
Date: Fri, 05 May 2006 17:12:45 -0600	[thread overview]
Message-ID: <445BDBED.7050101@shaw.ca> (raw)
In-Reply-To: <69c8K-3Bu-57@gated-at.bofh.it>

Jason Schoonover wrote:
> Hi all,
> 
> I'm not sure if this is the right list to post to, so please direct me to the 
> appropriate list if this is the wrong one.
> 
> I'm having some problems on the latest 2.6.17-rc3 kernel and SCSI disk I/O.  
> Whenever I copy any large file (over 500GB) the load average starts to slowly 
> rise and after about a minute it is up to 7.5 and keeps on rising (depending 
> on how long the file takes to copy).  When I watch top, the processes at the 
> top of the list are cp, pdflush, kjournald and kswapd.
> 

Are there some processes stuck in D state? These will contribute to the 
load average even if they are not using CPU.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/


       reply	other threads:[~2006-05-05 23:13 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <69c8K-3Bu-57@gated-at.bofh.it>
2006-05-05 23:12 ` Robert Hancock [this message]
2006-05-06  4:39   ` Jason Schoonover
2006-05-06 17:20     ` Robert Hancock
2006-05-06 18:23       ` Jason Schoonover
2006-05-06 20:01         ` Robert Hancock
2006-05-05 17:10 Jason Schoonover
2006-05-06 23:03 ` bert hubert
2006-05-07  1:02   ` Jason Schoonover
2006-05-07 10:54     ` bert hubert
2006-05-07 16:50 ` Andrew Morton
2006-05-07 17:24   ` Jason Schoonover
2006-05-08 11:13   ` Erik Mouw
2006-05-08 11:22     ` Arjan van de Ven
2006-05-08 11:28       ` Russell King
2006-05-08 11:38         ` Avi Kivity
2006-05-08 12:37         ` Arjan van de Ven
2006-05-09 14:37         ` Bill Davidsen
2006-05-08 14:24   ` Martin J. Bligh
2006-05-08 14:55     ` Arjan van de Ven
2006-05-08 15:22       ` Erik Mouw
2006-05-08 15:25         ` Martin J. Bligh
2006-05-08 15:31         ` Arjan van de Ven
2006-05-08 15:42           ` Erik Mouw
2006-05-08 16:02             ` Martin J. Bligh
2006-05-08 16:02             ` Miquel van Smoorenburg
2006-05-08 16:47             ` Russell King
2006-05-08 17:04               ` Gabor Gombas
2006-05-08 17:18             ` Mike Galbraith
2006-05-09  1:57           ` Nick Piggin
2006-05-09  2:02             ` Martin Bligh
2006-05-09  2:16               ` Nick Piggin
2006-05-09  4:36             ` Arjan van de Ven
2006-05-09  4:46               ` Nick Piggin
2006-05-09  5:27                 ` Hua Zhong
2006-05-09  5:03               ` David Lang
2006-05-15  7:46                 ` Sander
2006-05-08 22:24         ` Bernd Eckenfels
2006-05-08 22:39           ` Lee Revell
2006-05-09  0:08           ` Peter Williams
2006-05-09 18:33           ` Bill Davidsen

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