[Openstack] [openstack][keystone]Keystone Token HA

2015-12-17 Thread Ajay Kalambur (akalambu)
Hi If we deploy Keystone using memcached as token backend we see that bringing down 1 of 3 memcache servers results in some tokens getting invalidated. Does memcached not support replication of tokens So if we wanted HA w.r.t keystone tokens should we use SQL backend for tokens? Ajay __

[Openstack] Fuel 7.0 iso : Network verification not avaliable because nodes ["1"] not avaliable via mcollective,

2015-12-17 Thread John Menke
I am getting this error when i try to verify network settings with Fuel 7.0 2015-12-17 20:49:36ERR[566] Error running RPC method verify_networks: Network verification not avaliable because nodes ["1"] not avaliable via mcollective, trace: ["/usr/lib64/ruby/gems/2.1.0/gems/astute-7.0.0/lib/astute/

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
Which tunnel? I have VM running on HOST with bridge networking, its vnet pair. I don't have any tunnel. I increase only txqueuelen 500 to txqueuelen 1 which improve networking little bit On Thu, Dec 17, 2015 at 3:26 PM, Erdősi Péter wrote: > 2015. 12. 17. 18:07 keltezéssel, Satish Patel írt

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Erdősi Péter
2015. 12. 17. 18:07 keltezéssel, Satish Patel írta: On host (compute) machine tap device showing lots of TX packet loss. tapdd55b834-f8: flags=4163 mtu 1500 inet6 fe80::fc16:3eff:fecd:2aa4 prefixlen 64 scopeid 0x20 ether fe:16:3e:cd:2a:a4 txqueuelen 500 (Ethernet)

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
Its was hypervisor KVM (host) On Thu, Dec 17, 2015 at 2:52 PM, Tim Bell wrote: > Was that the VM or the hypervisor ? > > These tips are good to include the upcoming hypervisor tuning guide > (https://wiki.openstack.org/wiki/Documentation/HypervisorTuningGuide) > > Tim > >> -Original Message-

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Tim Bell
Was that the VM or the hypervisor ? These tips are good to include the upcoming hypervisor tuning guide (https://wiki.openstack.org/wiki/Documentation/HypervisorTuningGuide) Tim > -Original Message- > From: Satish Patel [mailto:satish@gmail.com] > Sent: 17 December 2015 18:55 > To:

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
in your email response, i do have vhost_net driver loaded [root@compute-1 ~]# lsmod | grep vhost vhost_net 33961 1 macvtap22398 1 vhost_net tun27183 3 vhost_net On Thu, Dec 17, 2015 at 2:47 PM, Satish Patel wrote: > Thanks for response, > > Yes

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
Thanks for response, Yes if i ping from remote machine to that VM i am getting timeout at some interval. My application is CPU intensive, it is not doing any disk operation, actually this application is base on VoIP. so pure RTP traffic flowing on network. small UDP packets. On Thu, Dec 17, 2015

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Rick Jones
On 12/17/2015 08:11 AM, Satish Patel wrote: > Following is TOP command on guest machine, at this point i am getting > ping breaks Just to clarify, when you say "getting ping breaks" you mean that is when you start seeing pings not getting responses yes? > top - 16:10:30 up 20:46, 1 user, loa

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
I think i found solution, it improve little bit performance on tapdd55b834-f8 interface default txqueuelen size was 500, I have changed it to 1 On Thu, Dec 17, 2015 at 12:07 PM, Satish Patel wrote: > On host (compute) machine tap device showing lots of TX packet loss. > > tapdd55b834-f8: fl

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
On host (compute) machine tap device showing lots of TX packet loss. tapdd55b834-f8: flags=4163 mtu 1500 inet6 fe80::fc16:3eff:fecd:2aa4 prefixlen 64 scopeid 0x20 ether fe:16:3e:cd:2a:a4 txqueuelen 500 (Ethernet) RX packets 1060731031 bytes 298573599135 (278.0 GiB)

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Vahric Muhtaryan
Maybe this also could be reference http://42.62.73.30/wordpress/wp-content/uploads/2013/10/Neutron-performance -testing.pdf On 17/12/15 18:32, "Satish Patel" wrote: >We have our own custom application running on guest VM. i am just >checking performance of VM. but i found if load go little up

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
We have our own custom application running on guest VM. i am just checking performance of VM. but i found if load go little up machine start breaking ping. I didn't run iperf test yet. which i am going to run in a min. On Thu, Dec 17, 2015 at 11:28 AM, Vahric Muhtaryan wrote: > Okay Satish , > >

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
I just ran iperf and here is the results, bi-directional [ ID] Interval Transfer Bandwidth [ 5] 0.0-10.0 sec 1.04 GBytes 895 Mbits/sec [ 4] 0.0-10.0 sec 1.09 GBytes 935 Mbits/sec Look like when guest is under load, it can't handle traffic and start dropping packets. On Thu,

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Vahric Muhtaryan
Okay Satish , Im not expert and do not want to divert you wrong direction. I want to make your test on my server to cross check , can you pls explain how and with what tool and to where you are making this test. Regards VM On 17/12/15 18:11, "Satish Patel" wrote: >Thanks for reply, > >Followi

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
Thanks for reply, Following is my guest xml file. I am using Openstack JUNO and it use OVS. Following is TOP command on guest machine, at this point i am getting ping breaks top - 16:10:30 up 20:46, 1 user, load average: 4.63, 4.41, 3.60 Task

Re: [Openstack] Poor instance network performance

2015-12-17 Thread Vahric Muhtaryan
Hello , Cool ! Todays I am testing to but not such way just only KVM. Wonder 2/3 things ; 1) Are you using virtio?

Re: [Openstack] Poor instance network performance

2015-12-17 Thread David S.
Hi, Have tried to tweak your network performance? Is it fast forwarding enable? You can try to test your network performance using iperf before run your application. Best regards, David S. e. da...@zeromail.us w. http://blog.pnyet.web.id On Thu

[Openstack] Poor instance network performance

2015-12-17 Thread Satish Patel
I am doing some testing on Openstack VM network performance. following i am doing Comute node: 8 CPU / 32GB mem VM instance: 8vCPU / 8GB mem when i am running heavy load application, immediate my ping started breaking for VM.. but at same time if i ping Compute Host, its working fine without any