openstack team mailing list archive

[Rahul Sharma <rahulsharmaait@xxxxxxxxx>]

Nope. Still the same problem.

-Regards
Rahul


On Tue, May 28, 2013 at 4:15 PM, Rahul Sharma <rahulsharmaait@xxxxxxxxx>wrote:

> Thanks JuanFra. I will use these and let you know the status.
>
> Thanks and Regards
> Rahul Sharma
>
>
> On Tue, May 28, 2013 at 4:04 PM, JuanFra Rodriguez Cardoso <
> juanfra.rodriguez.cardoso@xxxxxxxxx> wrote:
>
>> Have you tried configuring your compute nodes with the following options
>> in file 'nova.conf'?
>>
>> These options could be improve your instance performance:
>>
>> libvirt_cpu_mode = host-passthrough
>> libvirt_use_virtio_for_bridges = True
>>
>>
>>
>> PD: I suppose you are using:
>>
>> libvirt_type = kvm
>> compute_driver = libvirt.LibvirtDriver
>>
>>
>>  ---
>> JuanFra
>>
>>
>> 2013/5/28 Rahul Sharma <rahulsharmaait@xxxxxxxxx>
>>
>>> I checked, they are fine. nslookup is giving correct result.
>>>
>>> root@instance1:/home/ubuntu# nslookup www.google.com
>>> Server:         192.168.0.4
>>> Address:        192.168.0.4#53
>>>
>>> Non-authoritative answer:
>>> Name:   www.google.com
>>> Address: 74.125.135.147
>>> Name:   www.google.com
>>> Address: 74.125.135.99
>>> Name:   www.google.com
>>> Address: 74.125.135.103
>>> Name:   www.google.com
>>> Address: 74.125.135.104
>>> Name:   www.google.com
>>> Address: 74.125.135.105
>>> Name:   www.google.com
>>> Address: 74.125.135.106
>>>
>>> -Regards
>>> Rahul
>>>
>>>
>>> On Tue, May 28, 2013 at 3:42 PM, Balamurugan V G <
>>> balamuruganvg@xxxxxxxxx> wrote:
>>>
>>>> Check if you have the right DNS server settings on your VM. Sometimes
>>>> even that can slow the access.
>>>>
>>>> Regards,
>>>> Balu
>>>>
>>>> On Tue, May 28, 2013 at 3:31 PM, Rahul Sharma <rahulsharmaait@xxxxxxxxx>
>>>> wrote:
>>>> > Yes, I am using KVM.
>>>> >
>>>> > -Regards
>>>> > Rahul Sharma
>>>> >
>>>> >
>>>> > On Tue, May 28, 2013 at 2:49 PM, JuanFra Rodriguez Cardoso
>>>> > <juanfra.rodriguez.cardoso@xxxxxxxxx> wrote:
>>>> >>
>>>> >> Hi:
>>>> >>
>>>> >> Which hypervisor are you using? KVM with virtio driver?
>>>> >>
>>>> >> ---
>>>> >> JuanFra
>>>> >>
>>>> >>
>>>> >> 2013/5/28 Rahul Sharma <rahulsharmaait@xxxxxxxxx>
>>>> >>>
>>>> >>> Hi All,
>>>> >>>
>>>> >>> I have a multinode setup of Openstack-Grizzly release with
>>>> Networking
>>>> >>> node as a separate machine. I am able to successfully bring up
>>>> instances and
>>>> >>> ping to google from within the instances. Everything is working
>>>> fine except
>>>> >>> the speed of internet access from within the instances.
>>>> >>>
>>>> >>> When I try to "wget <file>" or do "apt-get update", its taking a
>>>> lot of
>>>> >>> time(1 hr 40 mins for apt-get update). However, if I do the same on
>>>> the
>>>> >>> physical compute-nodes or on the network-node, it updates within
>>>> seconds. I
>>>> >>> am not sure why the network access within the instances is so slow
>>>> which on
>>>> >>> the other hand is quite fast on the hosts.
>>>> >>>
>>>> >>> Any pointers or steps to debug the issue would be really helpful.
>>>> Please
>>>> >>> let me know how I can debug this scenario.
>>>> >>>
>>>> >>> Thanks and Regards
>>>> >>> Rahul Sharma
>>>> >>>
>>>> >>> _______________________________________________
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>>>> >>>
>>>> >>
>>>> >
>>>> >
>>>> > _______________________________________________
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>>>> >
>>>>
>>>
>>>
>>
>