<div dir="ltr"><div>Here is the content of my nova-compute.conf file:-<br><br>root@compute1:~# cat /etc/nova/nova-compute.conf<br>[DEFAULT]<br>libvirt_type=kvm<br>libvirt_ovs_bridge=br-int<br>libvirt_vif_type=ethernet<br>libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtHybridOVSBridgeDriver<br>
libvirt_use_virtio_for_bridges=True<br>libvirt_cpu_mode=host-passthrough<br><br><br></div>-Regards<br>Rahul<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, May 28, 2013 at 4:46 PM, Rahul Sharma <span dir="ltr"><<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Yes, same issue after restarting the nova-compute daemon.<br><br></div>-Regards<span class="HOEnZb"><font color="#888888"><br>
Rahul<br></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, May 28, 2013 at 4:29 PM, JuanFra Rodriguez Cardoso <span dir="ltr"><<a href="mailto:juanfra.rodriguez.cardoso@gmail.com" target="_blank">juanfra.rodriguez.cardoso@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Same issues after restarting nova-compute daemons and launching new instances? <br><div><div>
<div><div><div class="gmail_extra"><br clear="all"><div><div>---</div>JuanFra</div>
<br><br><div class="gmail_quote">2013/5/28 Rahul Sharma <span dir="ltr"><<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div>Nope. Still the same problem.<br><br></div>-Regards<span><font color="#888888"><br>Rahul<br></font></span></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, May 28, 2013 at 4:15 PM, Rahul Sharma <span dir="ltr"><<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks JuanFra. I will use these and let you know the status.<br><br>Thanks and Regards<span><font color="#888888"><br>
</font></span></div><span><font color="#888888">Rahul Sharma<br></font></span></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, May 28, 2013 at 4:04 PM, JuanFra Rodriguez Cardoso <span dir="ltr"><<a href="mailto:juanfra.rodriguez.cardoso@gmail.com" target="_blank">juanfra.rodriguez.cardoso@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Have you tried configuring your compute nodes with the following options in file 'nova.conf'?<br>
<br>These options could be improve your instance performance:<br><br>libvirt_cpu_mode = host-passthrough<br>
libvirt_use_virtio_for_bridges = True<br><br></div><div><br><br></div>PD: I suppose you are using:<br><br>libvirt_type = kvm<br>compute_driver = libvirt.LibvirtDriver<div><div><br><div class="gmail_extra"><br clear="all">
<div><div>
---</div>JuanFra</div>
<br><br><div class="gmail_quote">2013/5/28 Rahul Sharma <span dir="ltr"><<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div>I checked, they are fine. nslookup is giving correct result.<br><br>root@instance1:/home/ubuntu# nslookup <a href="http://www.google.com" target="_blank">www.google.com</a><br>Server: 192.168.0.4<br>
Address: 192.168.0.4#53<br>
<br>Non-authoritative answer:<br>Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>Address: 74.125.135.147<br>Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>Address: 74.125.135.99<br>
Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>
Address: 74.125.135.103<br>Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>Address: 74.125.135.104<br>Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>Address: 74.125.135.105<br>
Name: <a href="http://www.google.com" target="_blank">www.google.com</a><br>
Address: 74.125.135.106<br><br></div>-Regards<span><font color="#888888"><br>Rahul<br></font></span></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, May 28, 2013 at 3:42 PM, Balamurugan V G <span dir="ltr"><<a href="mailto:balamuruganvg@gmail.com" target="_blank">balamuruganvg@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Check if you have the right DNS server settings on your VM. Sometimes<br>
even that can slow the access.<br>
<br>
Regards,<br>
Balu<br>
<div><div><br>
On Tue, May 28, 2013 at 3:31 PM, Rahul Sharma <<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>> wrote:<br>
> Yes, I am using KVM.<br>
><br>
> -Regards<br>
> Rahul Sharma<br>
><br>
><br>
> On Tue, May 28, 2013 at 2:49 PM, JuanFra Rodriguez Cardoso<br>
> <<a href="mailto:juanfra.rodriguez.cardoso@gmail.com" target="_blank">juanfra.rodriguez.cardoso@gmail.com</a>> wrote:<br>
>><br>
>> Hi:<br>
>><br>
>> Which hypervisor are you using? KVM with virtio driver?<br>
>><br>
>> ---<br>
>> JuanFra<br>
>><br>
>><br>
>> 2013/5/28 Rahul Sharma <<a href="mailto:rahulsharmaait@gmail.com" target="_blank">rahulsharmaait@gmail.com</a>><br>
>>><br>
>>> Hi All,<br>
>>><br>
>>> I have a multinode setup of Openstack-Grizzly release with Networking<br>
>>> node as a separate machine. I am able to successfully bring up instances and<br>
>>> ping to google from within the instances. Everything is working fine except<br>
>>> the speed of internet access from within the instances.<br>
>>><br>
>>> When I try to "wget <file>" or do "apt-get update", its taking a lot of<br>
>>> time(1 hr 40 mins for apt-get update). However, if I do the same on the<br>
>>> physical compute-nodes or on the network-node, it updates within seconds. I<br>
>>> am not sure why the network access within the instances is so slow which on<br>
>>> the other hand is quite fast on the hosts.<br>
>>><br>
>>> Any pointers or steps to debug the issue would be really helpful. Please<br>
>>> let me know how I can debug this scenario.<br>
>>><br>
>>> Thanks and Regards<br>
>>> Rahul Sharma<br>
>>><br>
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>>><br>
>><br>
><br>
><br>
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