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From: Steve Kemp <steve@bytemark.co.uk>
To: kvm@vger.kernel.org
Subject: Re: How to diagnose memory leak in kvm-qemu-0.14.0?
Date: Thu, 19 May 2011 12:57:34 +0100	[thread overview]
Message-ID: <20110519115734.GB3490@bytemark.co.uk> (raw)
In-Reply-To: <BANLkTimq2S3a=BbDJvxkeET9pK64ybKEiw@mail.gmail.com>

On Thu May 19, 2011 at 09:40:41 +0100, Stefan Hajnoczi wrote:

> You are exercising both networking and storage.  Have you cut the test
> down to just wget vs cp/rm?  Also why the sleep 10?

  I'm 99% certain the leak is coming from the virtio block device
 now.  A simple test is:

 wget http://mirror.bytemark.co.uk/misc/test-files/500M
 while true; do cp 500M foo.img; rm foo.img; sleep 2; done

  "top" shows the virt memory growing to >1gb in under two minutes.

Steve Kemp
--
                                          Bytemark Hosting
                                http://www.bytemark.co.uk/
                                  phone UK: 0845 004 3 004
          Dedicated Linux hosts from 15ukp ($30) per month

  parent reply	other threads:[~2011-05-19 11:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-18 16:44 How to diagnose memory leak in kvm-qemu-0.14.0? Steve Kemp
2011-05-19  8:40 ` Stefan Hajnoczi
2011-05-19  8:50   ` Stefan Hajnoczi
2011-05-19 11:00   ` Steve Kemp
2011-05-19 11:57   ` Steve Kemp [this message]
2011-05-20 11:01     ` Stefan Hajnoczi
2011-05-20 11:47       ` Steve Kemp
2011-05-20 13:16         ` Stefan Hajnoczi
2011-05-20 13:47           ` Steve Kemp
2011-05-20 14:32             ` Stefan Hajnoczi
2011-05-20 14:52               ` Steve Kemp

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