Re: [Openstack] Internet access within launched instances too slow

Hi All, I was able to resolve this issue by changing the MTU size within the instances from 1500 to 1454. I got these pointers from this mailthread:- https://lists.launchpad.net/openstack/msg24050.html Thanks and Regards Rahul Sharma On Tue, May 28, 2013 at 5:00 PM, Rahul Sharma

Re: [Openstack] Internet access within launched instances too slow

Hi: Which hypervisor are you using? KVM with virtio driver? --- JuanFra 2013/5/28 Rahul Sharma rahulsharma...@gmail.com 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

Re: [Openstack] Internet access within launched instances too slow

Yes, I am using KVM. -Regards Rahul Sharma On Tue, May 28, 2013 at 2:49 PM, JuanFra Rodriguez Cardoso juanfra.rodriguez.card...@gmail.com wrote: Hi: Which hypervisor are you using? KVM with virtio driver? --- JuanFra 2013/5/28 Rahul Sharma rahulsharma...@gmail.com Hi All, I have

Re: [Openstack] Internet access within launched instances too slow

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 rahulsharma...@gmail.com wrote: Yes, I am using KVM. -Regards Rahul Sharma On Tue, May 28, 2013 at 2:49 PM, JuanFra Rodriguez

Re: [Openstack] Internet access within launched instances too slow

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

Re: [Openstack] Internet access within launched instances too slow

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 =

Re: [Openstack] Internet access within launched instances too slow

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.card...@gmail.com wrote: Have you tried configuring your compute nodes with the following options in file 'nova.conf'?

Re: [Openstack] Internet access within launched instances too slow

Nope. Still the same problem. -Regards Rahul On Tue, May 28, 2013 at 4:15 PM, Rahul Sharma rahulsharma...@gmail.comwrote: 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

Re: [Openstack] Internet access within launched instances too slow

Same issues after restarting nova-compute daemons and launching new instances? --- JuanFra 2013/5/28 Rahul Sharma rahulsharma...@gmail.com Nope. Still the same problem. -Regards Rahul On Tue, May 28, 2013 at 4:15 PM, Rahul Sharma rahulsharma...@gmail.comwrote: Thanks JuanFra. I will

Re: [Openstack] Internet access within launched instances too slow

Yes, same issue after restarting the nova-compute daemon. -Regards Rahul On Tue, May 28, 2013 at 4:29 PM, JuanFra Rodriguez Cardoso juanfra.rodriguez.card...@gmail.com wrote: Same issues after restarting nova-compute daemons and launching new instances? --- JuanFra 2013/5/28 Rahul