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Posted to dev@openmeetings.apache.org by Sam Naef <sa...@gmail.com> on 2014/09/01 18:01:58 UTC
Re. User test
Hi Seb,
Please see below & let me know if I can help at all
> On 1 Sep 2014, at 09:03, seba.wagner@gmail.com wrote:
>
>> Can you give some more details on the test?
> of course - i'll try my best, I am not a programmer but if you know where I can locate more deets please let me know.
> Here is a link to the stress-test vid: https://vimeo.com/104936979 (you might have to wait before the video is processed)
>
>
>> I am not sure if I understand this correctly.
>> All of those CPU usage is server side only right?
> correct
>> And the server is only doing OpenMeetings, you do not run the client and
>> server on the same machine?
>>
> Correct, clients are mostly UK based, each running one OM window each. (However all 15 users were using the same login..)
>
>> Why would the video streaming take so much CPU power? Red5 should not do
>> any kind of transcoding. We have done experiments in the past with 100
>> browsers connected. Obviously each browser run on its own pc/device. Not in
>> multiple tabs. Otherwise you have glitches in your stream, but he reason
>> for that is that the clients are running out of CPU, not the server.
>>
>> So this is kind of confusing, maybe you should clarify.
>>
>> Or is that an issue that is introduced since we updated to later version of
>> red5?
>>
>> Thanks,
>> Sebastian
>> On Sep 1, 2014 6:56 AM, "Maxim Solodovnik" <so...@gmail.com> wrote:
>>
>>> you can do "external" load balancing or use OM cluster
>>> http://openmeetings.apache.org/Clustering.html
>>>
>>>
>>> On 1 September 2014 01:53, Sam Naef <sa...@gmail.com> wrote:
>>>
>>>> ah!
>>>> That could be it then :)
>>>> Ok so my results seem to be consistent it seems.
>>>>
>>>> The idea for us is to perhaps have multiple servers and do some kind of
>>>> load-balancing to direct users to a free server (so that we can scale
>>>> usage).
>>>> We're going to test, but hopefully multiple servers of 1core2GB should
>>>> hopefully work as it seems that processing power is what OM needs
>>>>
>>>> thanks
>>>> Sam & Doug
>>>>
>>>> +44 7707575060
>>>> iSKILLu founder
>>>> Facebook
>>>> Twitter
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 31 Aug 2014, at 19:32, Maxim Solodovnik <so...@gmail.com> wrote:
>>>>
>>>>> 1 room
>>>>> 8cores, 18GB RAM
>>>>>
>>>>>
>>>>> On 1 September 2014 01:26, Sam Naef <sa...@gmail.com> wrote:
>>>>>
>>>>>> yes it's version OM 3.0.3
>>>>>>
>>>>>> When I test using multiple tabs on my browser, my computer can't hack
>>>> more
>>>>>> than about 4 tabs (tho i have fast mid 2012 macbook air)
>>>>>>
>>>>>> - were all your 20 users in the same room?
>>>>>> Should 2 cores & 4GB be working for 20 sim. users then?
>>>>>>
>>>>>>
>>>>>>
>>>>>> +44 7707575060
>>>>>> iSKILLu founder
>>>>>> Facebook
>>>>>> Twitter
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 31 Aug 2014, at 15:26, Maxim Solodovnik <so...@gmail.com>
>>>> wrote:
>>>>>>
>>>>>>> What version of OM have you tested?
>>>>>>> we were able to have room with ~20video users (simulated by multiple
>>>>>>> browsers tabs)
>>>>>>> I believe 3.0.3 latest version should work better than 3.0.2
>>>>>>>
>>>>>>>
>>>>>>> On 31 August 2014 20:35, Sam Naef <sa...@gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi Maxim et all,
>>>>>>>>
>>>>>>>> We have just carried out our first largeish user test of OM :)
>>>>>>>>
>>>>>>>>
>>>>>>>> Here are our results:
>>>>>>>> We are using 2 cores, 4GB ram vps
>>>>>>>>
>>>>>>>> Users in the same room, we were able to get:
>>>>>>>> 7vids, 9 people+audio
>>>>>>>> 50-70% processers usage
>>>>>>>> mostly OK
>>>>>>>>
>>>>>>>> 9 vids, 15 people +audio
>>>>>>>> 90% of processors usage
>>>>>>>> massive glitching
>>>>>>>>
>>>>>>>> Users in different rooms:
>>>>>>>> When we compared 6 people in the same room to 3 rooms of 2 each, the
>>>>>>>> processing usage dropped by 50% (i think this is expected as less
>>>>>> bandwidth
>>>>>>>> is being sent?)
>>>>>>>>
>>>>>>>> I'm also guessing that you don't have a program that replicates a
>>>>>>>> stress-test by any chance…?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Kindest regards!
>>>>>>>> Sam & Doug
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> WBR
>>>>>>> Maxim aka solomax
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> WBR
>>>>> Maxim aka solomax
>>>>
>>>>
>>>
>>>
>>> --
>>> WBR
>>> Maxim aka solomax
>>>
>
Re: Re. User test
Posted by Sam Naef <sa...@gmail.com>.
Hi Seb,
I'm just wondering if you did indeed think there was a problem re. how we've configured OM looking at our stress-test results?
Thank you!
Sam & doug
On 1 Sep 2014, at 17:01, Sam Naef <sa...@gmail.com> wrote:
> Hi Seb,
>
> Please see below & let me know if I can help at all
>
>
>> On 1 Sep 2014, at 09:03, seba.wagner@gmail.com wrote:
>>
>>> Can you give some more details on the test?
>> of course - i'll try my best, I am not a programmer but if you know where I can locate more deets please let me know.
>> Here is a link to the stress-test vid:https://vimeo.com/104936979 (you might have to wait before the video is processed)
>>
>>
>>> I am not sure if I understand this correctly.
>>> All of those CPU usage is server side only right?
>> correct
>>> And the server is only doing OpenMeetings, you do not run the client and
>>> server on the same machine?
>>>
>> Correct, clients are mostly UK based, each running one OM window each. (However all 15 users were using the same login..)
>>
>>> Why would the video streaming take so much CPU power? Red5 should not do
>>> any kind of transcoding. We have done experiments in the past with 100
>>> browsers connected. Obviously each browser run on its own pc/device. Not in
>>> multiple tabs. Otherwise you have glitches in your stream, but he reason
>>> for that is that the clients are running out of CPU, not the server.
>>>
>>> So this is kind of confusing, maybe you should clarify.
>>>
>>> Or is that an issue that is introduced since we updated to later version of
>>> red5?
>>>
>>> Thanks,
>>> Sebastian
>>> On Sep 1, 2014 6:56 AM, "Maxim Solodovnik" <so...@gmail.com> wrote:
>>>
>>>> you can do "external" load balancing or use OM cluster
>>>> http://openmeetings.apache.org/Clustering.html
>>>>
>>>>
>>>> On 1 September 2014 01:53, Sam Naef <sa...@gmail.com> wrote:
>>>>
>>>>> ah!
>>>>> That could be it then :)
>>>>> Ok so my results seem to be consistent it seems.
>>>>>
>>>>> The idea for us is to perhaps have multiple servers and do some kind of
>>>>> load-balancing to direct users to a free server (so that we can scale
>>>>> usage).
>>>>> We're going to test, but hopefully multiple servers of 1core2GB should
>>>>> hopefully work as it seems that processing power is what OM needs
>>>>>
>>>>> thanks
>>>>> Sam & Doug
>>>>>
>>>>> +44 7707575060
>>>>> iSKILLu founder
>>>>> Facebook
>>>>> Twitter
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 31 Aug 2014, at 19:32, Maxim Solodovnik <so...@gmail.com> wrote:
>>>>>
>>>>>> 1 room
>>>>>> 8cores, 18GB RAM
>>>>>>
>>>>>>
>>>>>> On 1 September 2014 01:26, Sam Naef <sa...@gmail.com> wrote:
>>>>>>
>>>>>>> yes it's version OM 3.0.3
>>>>>>>
>>>>>>> When I test using multiple tabs on my browser, my computer can't hack
>>>>> more
>>>>>>> than about 4 tabs (tho i have fast mid 2012 macbook air)
>>>>>>>
>>>>>>> - were all your 20 users in the same room?
>>>>>>> Should 2 cores & 4GB be working for 20 sim. users then?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> +44 7707575060
>>>>>>> iSKILLu founder
>>>>>>> Facebook
>>>>>>> Twitter
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 31 Aug 2014, at 15:26, Maxim Solodovnik <so...@gmail.com>
>>>>> wrote:
>>>>>>>
>>>>>>>> What version of OM have you tested?
>>>>>>>> we were able to have room with ~20video users (simulated by multiple
>>>>>>>> browsers tabs)
>>>>>>>> I believe 3.0.3 latest version should work better than 3.0.2
>>>>>>>>
>>>>>>>>
>>>>>>>> On 31 August 2014 20:35, Sam Naef <sa...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Maxim et all,
>>>>>>>>>
>>>>>>>>> We have just carried out our first largeish user test of OM :)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Here are our results:
>>>>>>>>> We are using 2 cores, 4GB ram vps
>>>>>>>>>
>>>>>>>>> Users in the same room, we were able to get:
>>>>>>>>> 7vids, 9 people+audio
>>>>>>>>> 50-70% processers usage
>>>>>>>>> mostly OK
>>>>>>>>>
>>>>>>>>> 9 vids, 15 people +audio
>>>>>>>>> 90% of processors usage
>>>>>>>>> massive glitching
>>>>>>>>>
>>>>>>>>> Users in different rooms:
>>>>>>>>> When we compared 6 people in the same room to 3 rooms of 2 each, the
>>>>>>>>> processing usage dropped by 50% (i think this is expected as less
>>>>>>> bandwidth
>>>>>>>>> is being sent?)
>>>>>>>>>
>>>>>>>>> I'm also guessing that you don't have a program that replicates a
>>>>>>>>> stress-test by any chance…?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Kindest regards!
>>>>>>>>> Sam & Doug
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> WBR
>>>>>>>> Maxim aka solomax
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> WBR
>>>>>> Maxim aka solomax
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> WBR
>>>> Maxim aka solomax
>>>>
>>
>