[CentOS-virt] KVM

Mon Feb 8 21:25:51 UTC 2016
Gokan Atmaca <linux.gokan at gmail.com>

>>> If you run top what are you seeing on the %Cpu(s) line?
http://i.hizliresim.com/NrmV9Y.png


On Mon, Feb 8, 2016 at 10:53 PM, Alvin Starr <alvin at netvel.net> wrote:
> You need to provide more information.
> 20% is what number.
> There are something like 6 numbers on that line.
>
>
> On 02/08/2016 02:56 PM, Gokan Atmaca wrote:
>>>
>>> If you run top what are you seeing on the %Cpu(s) line?
>>
>> %20
>>
>>
>> On Mon, Feb 8, 2016 at 9:30 PM, Alvin Starr <alvin at netvel.net> wrote:
>>>
>>> Slow disks will show up as higher I/Owait times.
>>> If your seeing 99% cpu usage then your likely looking at some other
>>> problem.
>>>
>>> If you run top what are you seeing on the %Cpu(s) line?
>>>
>>>
>>> On 02/08/2016 02:20 PM, Gokan Atmaca wrote:
>>>>>
>>>>> I'm guessing you're using standard 7,200rpm platter drives? You'll need
>>>>> to share more information about your environment in order for us to
>>>>> provide useful feedback. Usually though, the answer is 'caching' and/or
>>>>> 'faster disks'.
>>>>
>>>> Yes , 7.2k rpm disks. 2T mirror (soft). In fact, I had such a
>>>> preference for slightly more capacity.
>>>> Unfortunately very expensive SAS drives.  But this works only if the
>>>> server in question occur.
>>>> In this case, about 15 minutes. progress.
>>>>
>>>>
>>>> On Mon, Feb 8, 2016 at 9:13 PM, Digimer <lists at alteeve.ca> wrote:
>>>>>
>>>>> On 08/02/16 02:12 PM, Gokan Atmaca wrote:
>>>>>>
>>>>>> Hello
>>>>>>
>>>>>> I use KVM. In a virtual machine "jbd2 dm-0" disk I / O is very
>>>>>> increases. It consumes up to 99%. For this reason, slowing down the
>>>>>> other virtual machine. What should I do to solve the problem. ?
>>>>>>
>>>>>> Thanks..
>>>>>
>>>>> I'm guessing you're using standard 7,200rpm platter drives? You'll need
>>>>> to share more information about your environment in order for us to
>>>>> provide useful feedback. Usually though, the answer is 'caching' and/or
>>>>> 'faster disks'.
>>>>>
>>>>> --
>>>>> Digimer
>>>>> Papers and Projects: https://alteeve.ca/w/
>>>>> What if the cure for cancer is trapped in the mind of a person without
>>>>> access to education?
>>>>> _______________________________________________
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>>>>
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>>>
>>>
>>>
>>> --
>>> Alvin Starr                   ||   voice: (905)513-7688
>>> Netvel Inc.                   ||   Cell:  (416)806-0133
>>> alvin at netvel.net              ||
>>>
>>>
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>
>
>
> --
> Alvin Starr                   ||   voice: (905)513-7688
> Netvel Inc.                   ||   Cell:  (416)806-0133
> alvin at netvel.net              ||
>
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