Open Stack

sorry its 2.3.0 not 2.1.3

On Thu, Dec 11, 2014 at 2:43 PM, mad Engineer <themadengin33r at gmail.com> wrote:
> Not in openstack,i had performance issue, with OVS and bursty traffic
> upgrading to later version improved the performance.A lot of
> performance features have been added in  2.1.3.
>
> Do you have lots of lost: value in
> ovs-dpctl show
>
>
> On Thu, Dec 11, 2014 at 2:33 AM, André Aranha <andre.f.aranha at gmail.com> wrote:
>> Yes, we are using version 2.0.2.
>> The process uses only about 0.3% on network node and compute node.
>> Did you have the same issue?
>>
>> On 10 December 2014 at 14:31, mad Engineer <themadengin33r at gmail.com> wrote:
>>>
>>> are you using openvswitch? which version?
>>> if yes,is it consuming a lot of CPU?
>>>
>>> On Wed, Dec 10, 2014 at 7:45 PM, André Aranha <andre.f.aranha at gmail.com>
>>> wrote:
>>> > Well, here we are using de Icehouse with Ubuntu 14.04 LTS
>>> >
>>> > We found this thread in the community  and we apply the changes in the
>>> > compute nodes (change VHOST_NET_ENABLED to 1 in /etc/default/qemu-kvm).
>>> > After do this, a few instances the problem doesn't exists anymore. This
>>> > link
>>> > show an investigation to find the problem.
>>> >
>>> > About the MTU in our cloud (using iperf),
>>> >
>>> > 1-from any the Desktop to the Network Node
>>> > MSS size 1448 bytes (MTU 1500 bytes, ethernet)
>>> >
>>> > 2-from any Desktop to the instance
>>> > MSS size 1348 bytes (MTU 1388 bytes, unknown interface)
>>> >
>>> > 3- from any instance to the Network Node
>>> > MSS size 1348 bytes (MTU 1388 bytes, unknown interface)
>>> >
>>> > 4- from any instance to the Desktop
>>> > MSS size 1348 bytes (MTU 1388 bytes, unknown interface)
>>> >
>>> > 5-from Network Node to any ComputeNode
>>> > MSS size 1448 bytes (MTU 1500 bytes, ethernet)
>>> >
>>> > 6-from any ComputeNode to NetworkNode
>>> > MSS size 1448 bytes (MTU 1500 bytes, ethernet)
>>> >
>>> > On 10 December 2014 at 10:31, somshekar kadam <som_kadam at yahoo.co.in>
>>> > wrote:
>>> >>
>>> >> Sorry for wrong post mail chain.
>>> >>
>>> >>
>>> >> Regards
>>> >> Neelu
>>> >>
>>> >>
>>> >> On Wednesday, 10 December 2014 6:59 PM, somshekar kadam
>>> >> <som_kadam at yahoo.co.in> wrote:
>>> >>
>>> >>
>>> >> Hi All,
>>> >>
>>> >> Please recommend which stable Host OS to use for Controller and Compute
>>> >> node.
>>> >> I have tried Fedora20 seems lot of tweaking is required, corerct me If
>>> >> I
>>> >> am wrong.
>>> >> I see that most of it is tested on ubuntu and centos.
>>> >> I am planning to use JUNO stable version.
>>> >> Please help on this
>>> >>
>>> >>
>>> >> Regards
>>> >> Neelu
>>> >>
>>> >>
>>> >> On Wednesday, 10 December 2014 5:42 PM, Hannah Fordham
>>> >> <hfordham at radiantworlds.com> wrote:
>>> >>
>>> >>
>>> >> I'm afraid we didn't, we're still struggling with some VMs with this
>>> >> problem. Sorry!
>>> >>
>>> >> On 9 December 2014 14:09:32 GMT+00:00, "André Aranha"
>>> >> <andre.f.aranha at gmail.com> wrote:
>>> >>
>>> >> Hi,
>>> >>
>>> >> We are with the same issue here, and already try some solutions that
>>> >> didn't work at all. Did you solved this problem?
>>> >>
>>> >> Thank you,
>>> >> Andre Aranha
>>> >>
>>> >> On 27 August 2014 at 08:17, Hannah Fordham <hfordham at radiantworlds.com>
>>> >> wrote:
>>> >>
>>> >> I’ve been trying to figure this one out for a while, so I’ll try and be
>>> >> as
>>> >> thorough as possible in this post but apologies if I miss anything
>>> >> pertinent
>>> >> out.
>>> >>
>>> >> First off, I’m running a set up with one control node and 5 compute
>>> >> nodes,
>>> >> all created using the Stackgeek scripts -
>>> >> http://www.stackgeek.com/guides/gettingstarted.html. The first two
>>> >> (compute1
>>> >> and compute 2) were created at the same time, compute3, 4 and 5 were
>>> >> added
>>> >> as needed later. My VMs are predominantly CentOS, while my Openstack
>>> >> nodes
>>> >> are Ubuntu 14.04.1
>>> >>
>>> >> The symptom: irregular high latency/packet loss to VMs on all compute
>>> >> boxes except compute3. Mostly a pain when trying to do anything via ssh
>>> >> on a
>>> >> VM because the lag makes it difficult to do anything, but it shows
>>> >> itself
>>> >> quite nicely through pings as well:
>>> >> --- 10.0.102.47 ping statistics ---
>>> >> 111 packets transmitted, 103 received, 7% packet loss, time 110024ms
>>> >> rtt min/avg/max/mdev = 0.096/367.220/5593.100/1146.920 ms, pipe 6
>>> >>
>>> >>
>>> >> I have tested these pings:
>>> >> VM to itself (via its external IP) seems fine
>>> >> VM to another VM is not fine
>>> >> Hosting compute node to VM is not fine
>>> >> My PC to VM is not fine (however the other way round works fine)
>>> >>
>>> >>
>>> >> Top on a (32 core) compute node with laggy VMs:
>>> >> top - 12:09:20 up 33 days, 21:35,  1 user,  load average: 2.37, 4.95,
>>> >> 6.23
>>> >> Tasks: 431 total,   2 running, 429 sleeping,   0 stopped,   0 zombie
>>> >> %Cpu(s):  0.6 us,  3.4 sy,  0.0 ni, 96.0 id,  0.0 wa,  0.0 hi,  0.0 si,
>>> >> 0.0 st
>>> >> KiB Mem:  65928256 total, 44210348 used, 21717908 free,   341172
>>> >> buffers
>>> >> KiB Swap:  7812092 total,  1887864 used,  5924228 free.  7134740 cached
>>> >> Mem
>>> >>
>>> >> And for comparison, on the one compute node that doesn’t seem to be
>>> >> suffering from this:
>>> >> top - 12:12:20 up 33 days, 21:38,  1 user,  load average: 0.28, 0.18,
>>> >> 0.15
>>> >> Tasks: 399 total,   3 running, 396 sleeping,   0 stopped,   0 zombie
>>> >> %Cpu(s):  0.3 us,  0.1 sy,  0.0 ni, 98.9 id,  0.6 wa,  0.0 hi,  0.0 si,
>>> >> 0.0 st
>>> >> KiB Mem:  65928256 total, 49986064 used, 15942192 free,   335788
>>> >> buffers
>>> >> KiB Swap:  7812092 total,   919392 used,  6892700 free. 39272312 cached
>>> >> Mem
>>> >>
>>> >> Top on a laggy VM:
>>> >> top - 11:02:53 up 27 days, 33 min,  3 users,  load average: 0.00, 0.00,
>>> >> 0.00
>>> >> Tasks:  91 total,   1 running,  90 sleeping,   0 stopped,   0 zombie
>>> >> Cpu(s):  0.2%us,  0.1%sy,  0.0%ni, 99.5%id,  0.1%wa,  0.0%hi,  0.0%si,
>>> >> 0.0%st
>>> >> Mem:   1020400k total,   881004k used,   139396k free,   162632k
>>> >> buffers
>>> >> Swap:  1835000k total,    14984k used,  1820016k free,   220644k cached
>>> >>
>>> >> http://imgur.com/blULjDa shows the hypervisor panel of Horizon. As you
>>> >> can
>>> >> see, Compute 3 has fewer resources used, but none of the compute nodes
>>> >> should be anywhere near overloaded from what I can tell.
>>> >>
>>> >> Any ideas? Let me know if I’m missing anything obvious that would help
>>> >> with figuring this out!
>>> >>
>>> >> Hannah
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> ***********
>>> >>
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>>> >>
>>> >>
>>> >> ***********
>>> >>
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>>> >> This message is intended solely for the addressee and may contain
>>> >> confidential information. If you have received this message in error
>>> >> please
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>>> >> guaranteed to be secure or error-free.
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>>> >>
>>> >
>>> >
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>>
>>