[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] 100% iowait in domU with no IO tasks.


  • To: "Maarten Vanraes" <maarten@xxxxx>
  • From: "Marco Strullato" <marco.strullato@xxxxxxxxx>
  • Date: Fri, 9 May 2008 08:29:35 +0200
  • Cc: "Bogdan B. Rudas" <brudas@xxxxxxxxxxx>, Nick Anderson <nick@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 08 May 2008 23:30:05 -0700
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=guHZkng7JoaaqcIT8a95MpC0Xi3e7ECy2YaYKcXCfdLCmydE5jlsV1Djrd9OZt37w6e22GR7wSrUqdyTudCCjwRBXUtpQQ2343hqxoeMlQDWN/cMjl7/Gu7passOelNTfL0NSix+/tjqg15nzqhWzbNiYa8qq6flJ4ychI4+nTE=
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Did you see the send and receive queue? ( netstat -ne)
Are you using drbd?

marco


2008/5/8 Maarten Vanraes <maarten@xxxxx>:
> not much disk usage in any case, otherwise it'd be pointless to mention it
> here, and definately no swapping.
>
> This is of course the first thing to look for...
>
> Op donderdag 8 mei 2008 15:37, schreef Nick Anderson:
>> Maarten Vanraes wrote:
>> > i would like to reduce iowait as much as possible, i see iowait above 70%
>> > sometimes...
>>
>> What kind of services are you running inside your domUs? How many domUs
>> are you running?
>
> --
> Maarten Vanraes
> BA NV: IT & Security
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.