[Openstack] Allocated virtual RAM 512 MB even if no instance

ppnaik ppnaik at cse.iitb.ac.in
Thu Jan 8 12:51:53 UTC 2015


Ok. Because total vcpus allocated are 0. So I thought the 
openstack-compute application just shows the values it can assign to the 
VMS. Not including the resource it uses.

Thanks,
Priyanka

On 2015-01-08 18:14, nithish B wrote:
> Then it is the system usage, i.e. the RAM used by the underlying
> openstack-compute applications.
>
> Regards,
> Nitish B.
>
> On Thu, Jan 8, 2015 at 6:13 PM, ppnaik <ppnaik at cse.iitb.ac.in> wrote:
>
>> Hi,
>> Atually this extra 512 MB allocation is in all the compute nodes. If 
>> a
>> create a VM and
>> delete it the amount of RAM it was using gets de-allocated.
>>
>> Rgards,
>>
>> Priyanka
>>
>>
>> On 2015-01-08 17:58, nithish B wrote:
>>
>>> Hi,
>>>    It maybe because:
>>>
>>> - The VM instance entry may not have been deleted from the 
>>> database, thus
>>> the mention of the usage.
>>>
>>> Hope this helps.
>>>
>>> Regards,
>>> Nitish B.
>>>
>>> On Thu, Jan 8, 2015 at 5:18 PM, ppnaik <ppnaik at cse.iitb.ac.in> 
>>> wrote:
>>>
>>>  Hi All,
>>>>
>>>> On my compute node the nova-compute.log shows:
>>>>
>>>> 2015-01-08 17:13:19.995 88005 AUDIT nova.compute.resource_tracker 
>>>> [-]
>>>> Total physical ram (MB): 31911, total allocated virtual ram (MB): 
>>>> 512
>>>>
>>>> even though I have no instance on that compute node. Can someone 
>>>> help
>>>> clarify why is this so? Is it some setup problem?
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Priyanka
>>>>
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