Re: [Openstack] [Neutron] slow download speed inside vm

[sylecn]

Hi Thiago,

The Network Node is a physical server. GRO does affect network much. When
GRO is on on the neutron node, from outside to VM bandwidth is about
60Mbps. When it is turned off, from outside to VM bandwidth is over
800Mbps. This is tested using iperf, physical network is 1Gbps.

Happy new year to you too!

Thanks,
Yuanle


On Wed, Jan 1, 2014 at 3:34 AM, Martinx - ジェームズ
wrote:

> Hi!
>
> Maybe you're facing this problem:
>
> https://bugs.launchpad.net/neutron/+bug/1252900
>
> I'm seeing that you tried to turn GRO off but, is your Network Node a
> Virtual Machine, or a physical server? If it is a VM (KVM), you'll need to
> turn GRO off at the hypervisor too.
>
> Happy new year!
>
> Cheers!
> Thiago
>
>
> On 31 December 2013 13:55, sylecn  wrote:
>
>> Hi all,
>>
>> I have come across a network problem when doing network performance
>> testing. From vm, wget a file on external network is much slower than
>> expected.
>>
>> The network is setup like this [1].
>>
>> To download a file, packets travel from target server public ip to public
>> ip on neutron node, via iptables nat rule to 10.21.144.5 on neutron node,
>> via neutron virtual router (l3-agent) to 10.20.144.100, then to virtual
>> subnet's gateway at 10.21.145.1 and finally to vm's fixed ip. This is a
>> long chain.
>>
>> Here are some numbers:
>> wget http://mytestserver/big-file.deb
>>
>> I use /etc/hosts to set mytestserver to the IP I want to test.
>>
>> Download from 10.20.165.2: 47.2 MB/s (395Mbps)  slow
>> but acceptable.
>> Download from 10.20.165.2's public IP: 6.75 MB/s (56Mbps)   way
>> too slow.
>>
>> I also tried the reverse: run web server on vm, and wget on 10.20.165.2:
>>
>> Download from vm's floatingip (10.21.144.106) from outside: 105MB/s
>> (880Mbps)
>>
>> I have yet to test upload speed to outside network. Upload to
>> 10.20.165.0/24 and 10.21.144.0/24 are both at 40+MB/s. Upload to public
>> ip not tested yet.
>>
>> Here are some raw iperf performance result:
>>
>> with "GRO off" on br-ex and eth1:
>> | scenario   | outgoing (from vm) | incoming (to vm) |
>> |++--|
>> | vm to vm on same host  | 3.16 Gbps  | -|
>> | vm to vm on different host | 613 Mbps   | -|
>> | vm to 10.21.144.0/24   | 887 Mbps   | 860 Mbps |
>> | vm to 10.20.165.0/24   | 888 Mbps   | 818 Mbps |
>> | vm to   | 919 Mbps   | 817 Mbps |
>>
>> I'm using neutron with ovs plugin and GRE tunnels. There are no errors in
>> neutron's log files, except
>>
>> ERROR neutron.common.legacy [-] Skipping unknown group key:
>> firewall_driver
>>
>> and similar which has always existed since I deploy openstack.
>>
>> Things I have tried and did not resolve the problem:
>>
>>  - turn off GRO on neutron node br-ex/eth1 interface (kept off for all
>> wget/scp tests)
>>  - allow all ports in security groups
>>  - drop iptables rules on neutron node
>>  - lower MTU to 1400 (This helped a little, all wget numbers above have
>> MTU set to 1400 in vm)
>>
>> I also suspected this nat rule is too slow:
>>
>>iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
>>
>> But test had proved me wrong. I have tested using 10.21.144.5 as the
>> default gateway in a physical server and wget the same file from  is
>> lightning fast.
>>
>> So is this download speed typical? If not, how can I isolate the problem
>> and figure out what cause the slowness?
>>
>> Thanks,
>> Yuanle
>>
>> [1] http://www.nsbeta.info/wp-content/uploads/2013/12/Home.png
>>
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>> Post to : openstack@lists.openstack.org
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>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>
>>
>
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Re: [Openstack] Happy new year all

[Remo Mattei]

you have a good year David, 

Ciao
-- 
Remo Mattei


December 31, 2013 at 21:10:21, David Easter (deas...@mirantis.com) ha scritto:

It's midnight somewhere!  (Past midnight in most places.  :-)

Happy New Year!

-David J. Easter
Product Line Manager, Mirantis

On Tuesday, December 31, 2013, Dnsbed Ops wrote:
happy new year all~


Happy new year opensthackers :)




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Re: [Openstack] Happy new year all

[Zamir SUN]

Happy new year
--
Zamir SUN
z...@fedoraproject.org
zsun in #fedora-zh #openshift on freenode.net

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Re: [Openstack] Happy new year all

[Hao Wang]

Happy new year all stackers...

Cheers,
Hao

On Tue, Dec 31, 2013 at 11:20 PM, Michael Gale  wrote:
> Happy new year :)
>
> Sent from my iPhone
>
>> On Dec 31, 2013, at 8:11 PM, Dnsbed Ops  wrote:
>>
>> happy new year all~
>>
>>
>>> Happy new year opensthackers :)
>>
>>
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Re: [Openstack] Happy new year all

[David Easter]

It's midnight somewhere!  (Past midnight in most places.  :-)

Happy New Year!

-David J. Easter
Product Line Manager, Mirantis

On Tuesday, December 31, 2013, Dnsbed Ops wrote:

> happy new year all~
>
>
>  Happy new year opensthackers :)
>>
>>
>>
>
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> openstack
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Re: [Openstack] Happy new year all

[Michael Gale]

Happy new year :)

Sent from my iPhone

> On Dec 31, 2013, at 8:11 PM, Dnsbed Ops  wrote:
> 
> happy new year all~
> 
> 
>> Happy new year opensthackers :)
> 
> 
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Re: [Openstack] Happy new year all

[Dnsbed Ops]

happy new year all~



Happy new year opensthackers :)





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Re: [Openstack] Happy new year all

[Razique Mahroua]

Aye :)
Happy new year opensthackers :)



On December 31, 2013 at 18:56:23, Frans Thamura (fr...@meruvian.org) wrote:

Happy new year all

Luck.to.all.of you

F

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-- 
Razique Mahroua

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[Openstack] Happy new year all

[Frans Thamura]

Happy new year all

Luck.to.all.of you

F
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Re: [Openstack] [Neutron] slow download speed inside vm

[Martinx - ジェームズ]

Hi!

Maybe you're facing this problem:

https://bugs.launchpad.net/neutron/+bug/1252900

I'm seeing that you tried to turn GRO off but, is your Network Node a
Virtual Machine, or a physical server? If it is a VM (KVM), you'll need to
turn GRO off at the hypervisor too.

Happy new year!

Cheers!
Thiago


On 31 December 2013 13:55, sylecn  wrote:

> Hi all,
>
> I have come across a network problem when doing network performance
> testing. From vm, wget a file on external network is much slower than
> expected.
>
> The network is setup like this [1].
>
> To download a file, packets travel from target server public ip to public
> ip on neutron node, via iptables nat rule to 10.21.144.5 on neutron node,
> via neutron virtual router (l3-agent) to 10.20.144.100, then to virtual
> subnet's gateway at 10.21.145.1 and finally to vm's fixed ip. This is a
> long chain.
>
> Here are some numbers:
> wget http://mytestserver/big-file.deb
>
> I use /etc/hosts to set mytestserver to the IP I want to test.
>
> Download from 10.20.165.2: 47.2 MB/s (395Mbps)  slow
> but acceptable.
> Download from 10.20.165.2's public IP: 6.75 MB/s (56Mbps)   way
> too slow.
>
> I also tried the reverse: run web server on vm, and wget on 10.20.165.2:
>
> Download from vm's floatingip (10.21.144.106) from outside: 105MB/s
> (880Mbps)
>
> I have yet to test upload speed to outside network. Upload to
> 10.20.165.0/24 and 10.21.144.0/24 are both at 40+MB/s. Upload to public
> ip not tested yet.
>
> Here are some raw iperf performance result:
>
> with "GRO off" on br-ex and eth1:
> | scenario   | outgoing (from vm) | incoming (to vm) |
> |++--|
> | vm to vm on same host  | 3.16 Gbps  | -|
> | vm to vm on different host | 613 Mbps   | -|
> | vm to 10.21.144.0/24   | 887 Mbps   | 860 Mbps |
> | vm to 10.20.165.0/24   | 888 Mbps   | 818 Mbps |
> | vm to   | 919 Mbps   | 817 Mbps |
>
> I'm using neutron with ovs plugin and GRE tunnels. There are no errors in
> neutron's log files, except
>
> ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver
>
> and similar which has always existed since I deploy openstack.
>
> Things I have tried and did not resolve the problem:
>
>  - turn off GRO on neutron node br-ex/eth1 interface (kept off for all
> wget/scp tests)
>  - allow all ports in security groups
>  - drop iptables rules on neutron node
>  - lower MTU to 1400 (This helped a little, all wget numbers above have
> MTU set to 1400 in vm)
>
> I also suspected this nat rule is too slow:
>
>iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
>
> But test had proved me wrong. I have tested using 10.21.144.5 as the
> default gateway in a physical server and wget the same file from  is
> lightning fast.
>
> So is this download speed typical? If not, how can I isolate the problem
> and figure out what cause the slowness?
>
> Thanks,
> Yuanle
>
> [1] http://www.nsbeta.info/wp-content/uploads/2013/12/Home.png
>
> ___
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> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to : openstack@lists.openstack.org
> Unsubscribe :
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>
>
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Re: [Openstack] Designate DNSaaS installation issue

[Remo Mattei]

I also believe that MySQL is the first choice here since it’s still an early 
stage and I am not sure Postgres has been added to the mix yet. 


-- 
Remo Mattei


December 31, 2013 at 8:14:41, Simon McCartney (si...@mccartney.ie) ha scritto:

Hi Nick, 

I don't think we've tested against Postgres recently, let me see if we can get 
a Postgres test environment setup & tweak the SQLA to keep Postgres happy.

(fwiw, we're using Percona/Galera MySQL clusters in production with Designate)

Simon.

On Tuesday, December 31, 2013, Nick Maslov wrote:
Hi,

I`m installing Designate as per this doc.

When I try to use this command:
 designate-manage database-sync
It fails with following:

2013-12-31 12:20:39    DEBUG [migrate.versioning.util] Disposing SQLAlchemy 
engine Engine(postgres://designate:pa%24w0rd@pg01-001/designate)
2013-12-31 12:20:39    ERROR [cliff.app] Postgresql ENUM type requires a name.
ERROR: Postgresql ENUM type requires a name.

I`m using PostgreSQL as backend for Designate. Can someone point me in the 
right direction, and maybe point to Designate developers?

Thanks,
NM


-- 
Nick Maslov
Sent with Airmail


--
Simon McCartney
E: si...@mccartney.ie
M: +44 7710 836 915

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Re: [Openstack] VlanManager on single-host OpenStack can NOT work

[Remo Mattei]

Neutron does support multi host now.
-- 
Remo Mattei


December 30, 2013 at 2:32:53, Dnsbed Ops (o...@dnsbed.com) ha scritto:

On 2013-12-30 12:17, Remo Mattei wrote:  
> Any reasons why nova network ? Everyone is going to neutron. Just wonder.  
>  

Maybe nova-network supports multi-hosts while neutron doesn't?  

Thanks.  

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Re: [Openstack] New to OpenStack

[Remo Mattei]

Check below
-- 
Remo Mattei


December 30, 2013 at 19:37:14, tudor (tu...@tudorholton.com) ha scritto:

Could you elaborate on your thinking here, Remo?   I've had the opposite 
experience.  I found Devstack frustrating because it presumes a single-node 
installation, and I'd lose all my settings every time I reran the script, and 
there's still a high degree of knowledge of the components if you want to go 
further.  As the name suggests, it's really aimed at the developers of 
OpenStack and not a "trial-run" or "test" installation.

Devstack is indeed for developers as well as packstack but at least you will 
have to know how the components will interact together before you add a second 
layer that cover what’s behind the scene like fuel. I did work with Mirantis so 
I know the nice options offered with Fuel. 


RDO doesn't offer things like High Availability and won't run on 
non-RedHat/CentOS/Fedora nodes.  (I don't know about Ceph offerings.)

RDO will have this options soon as far as I know. 


After months of trying and retrying I stumbled upon Mirantis and had it running 
inside VirtualBox in minutes with Ubuntu nodes!   I then did a bare-metal 
installation and I was more easily able to distinguish what was my own 
hardware/network issues, and what were gaps in my OpenStack knowledge.  Fuel 
gave me an 'Ahah!' moment with Neutron and networking which was previously 
hidden in installation detail.  "Choices" that aren't very clear in the OS 
documentation as to their benefits or hindrances became simple radio buttons 
and check boxes which I could play with and try out.  I can also have Fuel 
verify and recheck my settings (something which I'd started writing my own 
scripts for, but was glad to scrap as they were becoming complex and 
cumbersome.)

I can't speak highly enough of Mirantis (and currently have a 4.0 installation 
running as of this morning).  My only complaint is that they require 
registration for download, which is a little strange for an "open" product.   
(But then a number of companies are trying different things to monetise their 
development, and that's a whole different discussion.)

Yes the new fuel will have Neutron and Ceph and allows you to select what you 
would like in your Openstack infrastructure, still does not mean you know what 
you are doing. Learn first then use the tools to make your life easer otherwise 
troubleshooting is going to be a nightmare. 



Just my 2 cents.


I'm interested to hear your thinking.

Cheers,
Tudor. 

 

On 2013-12-31 11:08, Remo Mattei wrote:

I would not use fuel yet I would suggest to check rdo and devstack then when 
you have an understanding you could use fuel

Remo

Inviato da iPhone ()
Il giorno Dec 30, 2013, alle ore 14:20, Hao Wang  ha 
scritto: I agree with Martinx even though I have not tried 4.0 but the previous 
version impressed me a lot comparing RDO and manual processes. Regards, Howard 
On Mon, Dec 30, 2013 at 5:05 PM, Martinx - ジェームズ  
wrote:
I tried Mirantis Fuel 4.0 yesterday! Seems to be very great!!
On 30 December 2013 19:42, Kaushal Shriyan  wrote:
On Mon, Dec 30, 2013 at 2:37 PM, Remo Mattei  wrote: You 
should look at devstack and packstack Openstack.rdo.com has a nice install 
guide. Remo
Hi Remo, Are you referring to the below URL's http://devstack.org/ 
https://wiki.openstack.org/wiki/Packstack http://openstack.redhat.com/Main_Page 
Please correct me if i am on the wrong URL's? Regards, Kaushal 
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Re: [Openstack] why we need virtio driver for windows instance

[Dimitri Maziuk]

On 12/30/2013 9:06 PM, Peter Cheung wrote:
> Hi Dimitri
>  Install virtio driver is easy, but if I have a vm from virtual box, 
> and it doesn't have virtio driver, i got no way to install virtio 
> because virtual box is not using virtio disk and nic. So the result is : 
> I can't put that virtual box VM into openstack.

Ah. Then I suggest you repost your question with a subject like "how to
migrate windows vm from vbox". Windows version may matter, too.

I mounted the iso with fedora virtio drivers as cd-rom and simply copied
it all to the "local disk". Then I migrated the vm to openstack bootable
volume and booted it with "--block-device-mapping hda=vol..." -- "hda"
tells the driver to emulate IDE disk instead of virtio. Then I could
boot the instance and point the new hardware wizard at the virtio drivers.

That was xp vm, centos 6 hosts with rdo install of havana.

Also, once you created the instance and powered it off, I believe you
should be able to find its xml config file under /etc/libvirt/qemu
(centos location), edit the driver sections, and fire up the instance.
You could try that, too.

Dima


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[Openstack] [Neutron] slow download speed inside vm

[sylecn]

Hi all,

I have come across a network problem when doing network performance
testing. From vm, wget a file on external network is much slower than
expected.

The network is setup like this [1].

To download a file, packets travel from target server public ip to public
ip on neutron node, via iptables nat rule to 10.21.144.5 on neutron node,
via neutron virtual router (l3-agent) to 10.20.144.100, then to virtual
subnet's gateway at 10.21.145.1 and finally to vm's fixed ip. This is a
long chain.

Here are some numbers:
wget http://mytestserver/big-file.deb

I use /etc/hosts to set mytestserver to the IP I want to test.

Download from 10.20.165.2: 47.2 MB/s (395Mbps)  slow
but acceptable.
Download from 10.20.165.2's public IP: 6.75 MB/s (56Mbps)   way too
slow.

I also tried the reverse: run web server on vm, and wget on 10.20.165.2:

Download from vm's floatingip (10.21.144.106) from outside: 105MB/s
(880Mbps)

I have yet to test upload speed to outside network. Upload to 10.20.165.0/24and
10.21.144.0/24 are both at 40+MB/s. Upload to public ip not tested yet.

Here are some raw iperf performance result:

with "GRO off" on br-ex and eth1:
| scenario   | outgoing (from vm) | incoming (to vm) |
|++--|
| vm to vm on same host  | 3.16 Gbps  | -|
| vm to vm on different host | 613 Mbps   | -|
| vm to 10.21.144.0/24   | 887 Mbps   | 860 Mbps |
| vm to 10.20.165.0/24   | 888 Mbps   | 818 Mbps |
| vm to   | 919 Mbps   | 817 Mbps |

I'm using neutron with ovs plugin and GRE tunnels. There are no errors in
neutron's log files, except

ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver

and similar which has always existed since I deploy openstack.

Things I have tried and did not resolve the problem:

 - turn off GRO on neutron node br-ex/eth1 interface (kept off for all
wget/scp tests)
 - allow all ports in security groups
 - drop iptables rules on neutron node
 - lower MTU to 1400 (This helped a little, all wget numbers above have MTU
set to 1400 in vm)

I also suspected this nat rule is too slow:

   iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

But test had proved me wrong. I have tested using 10.21.144.5 as the
default gateway in a physical server and wget the same file from  is
lightning fast.

So is this download speed typical? If not, how can I isolate the problem
and figure out what cause the slowness?

Thanks,
Yuanle

[1] http://www.nsbeta.info/wp-content/uploads/2013/12/Home.png
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[Openstack] Designate DNSaaS and Horizon

[jason]

Hi,

Is there a Horizon plugin or something to manage Designate yet? I did 
some quick searching but can't seem to find anything on github or 
launchpad about it. If there is, can someone point me in the right 
direction?


Thanks!

jason

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Re: [Openstack] Designate DNSaaS installation issue

[Simon McCartney]

Hi Nick,

I don't think we've tested against Postgres recently, let me see if we can
get a Postgres test environment setup & tweak the SQLA to keep Postgres
happy.

(fwiw, we're using Percona/Galera MySQL clusters in production with
Designate)

Simon.

On Tuesday, December 31, 2013, Nick Maslov wrote:

> Hi,
>
> I`m installing Designate as per 
> this
>  doc.
>
> When I try to use this command:
>
>  designate-manage database-sync
>
> It fails with following:
>
> 2013-12-31 12:20:39DEBUG [migrate.versioning.util] Disposing
> SQLAlchemy engine Engine(postgres://designate:pa%24w0rd@pg01-001
> /designate)
> 2013-12-31 12:20:39ERROR [cliff.app] Postgresql ENUM type requires a
> name.
> *ERROR: Postgresql ENUM type requires a name.*
>
> I`m using PostgreSQL as backend for Designate. Can someone point me in the
> right direction, and maybe point to Designate developers?
>
> Thanks,
> NM
>
>
> --
> Nick Maslov
> Sent with Airmail
>


-- 
Simon McCartney
E: si...@mccartney.ie
M: +44 7710 836 915
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[Openstack] Designate DNSaaS installation issue

[Nick Maslov]

Hi,

I`m installing Designate as per this doc.

When I try to use this command:
 designate-manage database-sync
It fails with following:

2013-12-31 12:20:39    DEBUG [migrate.versioning.util] Disposing SQLAlchemy 
engine Engine(postgres://designate:pa%24w0rd@pg01-001/designate)
2013-12-31 12:20:39    ERROR [cliff.app] Postgresql ENUM type requires a name.
ERROR: Postgresql ENUM type requires a name.

I`m using PostgreSQL as backend for Designate. Can someone point me in the 
right direction, and maybe point to Designate developers?

Thanks,
NM


-- 
Nick Maslov
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Re: [Openstack] why we need virtio driver for windows instance

[Peter Cheung]

Anyway, it works now http://peter.kingofcoders.com/?p=1058

Thanksfrom Peter

From: mcheun...@hotmail.com
To: dmaz...@bmrb.wisc.edu; openstack@lists.openstack.org
Date: Tue, 31 Dec 2013 11:06:51 +0800
Subject: Re: [Openstack] why we need virtio driver for windows instance




Hi DimitriInstall virtio driver is easy, but if I have a vm from virtual 
box, and it doesn't have virtio driver, i got no way to install virtio because 
virtual box is not using virtio disk and nic. So the result is : I can't put 
that virtual box VM into openstack.

Thanksfrom Peter

> Date: Sun, 29 Dec 2013 12:34:41 -0600
> From: dmaz...@bmrb.wisc.edu
> To: openstack@lists.openstack.org
> Subject: Re: [Openstack] why we need virtio driver for windows instance
> 
> On 12/29/2013 12:31 AM, Peter Cheung wrote:
> > Hi all
> > Why we need virtio driver for running windows instance? if using
> > KVM, i don't need to have it.
> 
> I'm sure there's a way in nova to configure the instance to have realtek 
> nic and ide storage instead of the default virtio. Personally I found 
> that installing virtio drivers is easier, YMMV.
> 
> Dima
> 
> 
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