Re: [Openstack] [openstack][ceilometer] cpu util stats using libvirt qemu:///system

2014-05-14 Thread Alejandro Comisario
I think this is it : http://people.redhat.com/~rjones/virt-top/faq.html#calccpu Thank averyone! On Wed, May 14, 2014 at 1:07 PM, Alejandro Comisario alejandro.comisa...@mercadolibre.com wrote: Thanks Suo. Still, i dont get how the math is repressented, can you explain how this uses

Re: [Openstack] [Openstack-operators] [openstack][SWIFT] I want to talk about costs !! (against amazon S3)

2014-05-01 Thread Alejandro Comisario
to all the community. Alejandro Comisario *MercadoLibre Cloud Services* Arias 3751, Piso 7 (C1430CRG) Ciudad de Buenos Aires - Argentina Cel: +549(11) 15-3770-1857 Tel : +54(11) 4640-8443 On Wed, Apr 30, 2014 at 8:28 PM, Adam Lawson alaw...@aqorn.com wrote: Since AWS defines cost per GB

[Openstack] [openstack][SWIFT] I want to talk about costs !! (against amazon S3)

2014-04-30 Thread Alejandro Comisario
Hi guys. After amazon dropped its prices among other things, on S3 its seems that i need in my compaƱy to justify/analyze if swift keeps being the most cost convenient solution (we have it in house) When we decided going with swift one year ago, one of the main constraints was keeping the data in

Re: [Openstack] [openstack][SWIFT] I want to talk about costs !! (against amazon S3)

2014-04-30 Thread Alejandro Comisario
be : project-saving. Thanks so much. Alejandro Comisario *MercadoLibre Cloud Services* Arias 3751, Piso 7 (C1430CRG) Ciudad de Buenos Aires - Argentina Cel: +549(11) 15-3770-1857 Tel : +54(11) 4640-8443 On Wed, Apr 30, 2014 at 2:37 PM, John Dickinson m...@not.mn wrote: Alejandro, We blogged

Re: [Openstack] [openstack][ceilometer] Runing ceilometer standalone on Essex

2014-04-23 Thread Alejandro Comisario
Anyone! Alejandro Comisario MercadoLibre Cloud Services Arias 3751, Piso 7 (C1430CRG) Ciudad de Buenos Aires - Argentina Cel: +549(11) 15-3770-1857 Tel : +54(11) 4640-8443 On Mon, Apr 21, 2014 at 3:54 PM, Alejandro Comisario alejandro.comisa...@mercadolibre.com wrote: Hi guys, In the company

[Openstack] [openstack][ceilometer] Runing ceilometer standalone on Essex

2014-04-21 Thread Alejandro Comisario
Hi guys, In the company i work for we are running openstack essex into production among other things, and want ceilometer to run standalone on the compute node, is there a chance to run ceilometer compute agent and not collector to log on files locally in the compute for me to analyze this data ?

[Openstack] [openstack][nova] Several questions/experiences about _base directory on a big production environment

2014-04-02 Thread Alejandro Comisario
Hi guys ... We have a pretty big openstack environment and we use a shared NFS to populate backing file directory ( the famous _base directory located on /var/lib/nova/instances/_base ) due to a human error, the backing file used by thousands of guests was deleted, causing this guests to go

Re: [Openstack] [openstack][nova] total region lockdown (very weird)

2014-02-21 Thread Alejandro Comisario
It was not a rootkit, and we couldnt get any traffic captures during the problem. Maybe some compute's bridge causing some loop in that specific VLAN ? Any thoughts ? On Thu, Feb 20, 2014 at 4:55 AM, Robert van Leeuwen robert.vanleeu...@spilgames.com wrote: any tip or experience regarding

Re: [Openstack] Galera + pt-archiver issues?

2014-02-20 Thread Alejandro Comisario
We have a 9-nodes galera cluster into production, and we purge the database issuing a query every midnight. As how galera works, you only need to run the query against just one node. regards. * @lejandrito* ___ Mailing list:

[Openstack] [openstack][nova] total region lockdown (very weird)

2014-02-19 Thread Alejandro Comisario
Hi community, the weirdest thing happened to one of our openstack regions, running more than 200 vms This region is : * openstack essex 2012.1.4 * ubuntu 12.04.2 * Linux DC4-r59-02vms 3.2.0-49-generic #75-Ubuntu SMP Tue Jun 18 17:39:32 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux On Saturday all 16

[Openstack] kvm virtio ethernet ring on guest side over high throughput (packet per second)

2014-01-21 Thread Alejandro Comisario
Hi guys, we had in the past when using physical servers, several throughput issues regarding the throughput of our APIS, in our case we measure this with packets per seconds, since we dont have that much bandwidth (Mb/s) since our apis respond lots of packets very small ones (maximum response of

Re: [Openstack] [Openstack-operators] Extreme network throughput tuning with KVM as hypervisor

2014-01-15 Thread Alejandro Comisario
thinking about going upper with ring or txqueuelen settings. Any idea ? *Alejandro Comisario #melicloud CloudBuilders* Arias 3751, Piso 7 (C1430CRG) Ciudad de Buenos Aires - Argentina Cel: +549(11) 15-3770-1857 Tel : +54(11) 4640-8443 On Wed, Jan 15, 2014 at 12:32 AM, Narayan Desai narayan.de

Re: [Openstack] [Openstack-operators] Extreme network throughput tuning with KVM as hypervisor

2014-01-15 Thread Alejandro Comisario
the hypervisor? You can rule a lot of things out by testing that. -nld On Wed, Jan 15, 2014 at 9:58 AM, Alejandro Comisario alejandro.comisa...@mercadolibre.com wrote: Hi Narayan, thanks fir the prompted response, let me try to give you some insights. Since like you said, our setup can reach

Re: [Openstack] Extreme network throughput tuning with KVM as hypervisor

2014-01-14 Thread Alejandro Comisario
/ power / etc settings on the compute side ? Best regards. * alejandrito* On Sat, Jan 11, 2014 at 4:12 PM, Alejandro Comisario alejandro.comisa...@mercadolibre.com wrote: Well, its been a long time since we use nova with KVM, we got over the many thousand vms, and still, something doesnt feel

[Openstack] Extreme network throughput tuning with KVM as hypervisor

2014-01-11 Thread Alejandro Comisario
Well, its been a long time since we use nova with KVM, we got over the many thousand vms, and still, something doesnt feel right. We are using ubuntu 12.04 kernel 3.2.0-[40-48], tuned sysctl with lots of parameters, and everything ... works, you can say, quite well. But here's the deal, we have

[Openstack] [openstack][neutron] problems accesing metadata on OVS VLAN mode (havana)

2013-11-15 Thread Alejandro Comisario
Hi guys, we are deploying: havana + OVS on vlan mode + neutron using this EXACT production schema : http://docs.openstack.org/network-admin/admin/content/figures/2/figures/under-the-hood-scenario-2-ovs-compute.png Since we are using this schema, im gonna reffer about devices as they are named

[Openstack] [Identity] v3 API compatibility question for havana

2013-10-07 Thread Alejandro Comisario
Hi guys, we have just one question. Since we are already traveling our way into deploying havana release for early 2014, we were stuck under the deep questioning of the identity api v3.X. Since we are using the access to keystone v2.0 identity api a lot, even from lots of in-house developments,