Unfortunately network is the bottleneck for video conferences One can play with parameters in config.xml to decrease video quality and reduce bandwidth per user
On Wed, Feb 11, 2015 at 12:39 PM, Daria Mikhaylova <d.mikhayl...@gmail.com> wrote: > Good morning! > So we are going quite well, we have virtual server 2-core 2GB RAM (VPS > digital ocean) > and for now maximum we did conference with 6 participants and smallest > video, 4 of them were in Italy, where internet connection is really really > bad. > > On 2/11/2015 09:19, Maxim Solodovnik wrote: > > Here is the message: http://markmail.org/message/k7pwhdn2vdbzkgmy (you > can try to use google translate) > > here are the highlights: > 0) they have bad performance with CentOS 6.5 VM > so they got > 1) physical server HP DL380 G5 with 4GB RAM and 2x 4-core CPU Intel Xeon X5450 > (3 ГГц). Gigabit Ethernet > 2) CentOS 6.6 Final x64 > 3) OM 3.0.4-SNAPSHOT with all dependencies and third-party tools > > as a result: > 1) CPU was loaded up to 55% > 2) Outgoing network utilization on server was 71 Mbit/sec > 3) 15 participants were on network with bandwidth 50 Mbit/sec and it was > totally utilized > > > > On Wed, Feb 11, 2015 at 6:04 AM, OpenAr-IT Soluciones <opena...@gmail.com> > wrote: > >> Hi Maxim, do you know how the Russian team tunned the server?, do you >> have the configuration parameters they used? >> >> >> Thanks in advance >> >> >> On Tue, Feb 10, 2015 at 4:43 PM, Maxim Solodovnik <solomax...@gmail.com> >> wrote: >> >>> Thanks! will ask >>> >>> Actually we have report in Russian mailing list about successful >>> conference with 18 video windows: >>> 16 with video 240х180 and 2 with 640х480. >>> They have tuned both server and network >>> >>> On Wed, Feb 11, 2015 at 1:37 AM, Daria Mikhaylova < >>> d.mikhayl...@gmail.com> wrote: >>> >>>> I will try next time, we chose this video format only because were not >>>> sure if server can hold 5 of us. >>>> Yes CPU usage was high, my laptop is i3-2367M @1.40 Ghz, RAM 8 64bit >>>> but when testing OM, I've shut down all applications to see "pure" >>>> result. >>>> >>>> great! if any day you need additional testers we'll be happy to help >>>> >>>> >>>> >>>> On 2/10/2015 22:27, Maxim Solodovnik wrote: >>>> >>>> I saw issues with 90x120 video on Mac, can you increase the size a >>>> bit? (select next larger option) >>>> According to delay on Windows: was was CPU usage? >>>> We are actually starting to test audio/video and recording tomorrow >>>> morning (Development is performed using Ubuntu machine so I see no issues >>>> :( ) >>>> Will try to reproduce your results tomorrow morning >>>> >>>> On Wed, Feb 11, 2015 at 1:19 AM, Daria Mikhaylova < >>>> d.mikhayl...@gmail.com> wrote: >>>> >>>>> Hi, Maxim, >>>>> >>>>> We've tested with 3 users and large video (640x480) with our server >>>>> and demo-server. >>>>> >>>>> Ubuntu Studio preemptive kernel 14.04 with Chrome >>>>> Windows 7 with Chrome/Firefox >>>>> 10.9.5 Mac OS Chrome/Firefox >>>>> >>>>> Results are: >>>>> for Ubuntu Chrome doesn't create any problem. >>>>> for Mac OS same, when entered with Chrome sound went a little low for >>>>> both of us. >>>>> for Windows Chrome creates delay of 6-8 sec and sound goes very bad, >>>>> instead Firefox doesn't give any problem, real-time. >>>>> >>>>> On your server is exactly the same. 8 sec delay for windows with >>>>> Chrome. >>>>> >>>>> Last time 2 of our other participants were using Mac OS with chrome >>>>> and couldn't activate video (in conference total 5 users: 4 video 90x120, >>>>> 1 >>>>> audio) and sound was disappearing to one or to other. When I asked one of >>>>> them to test later with firefox it was working, chrome still was giving >>>>> same error. >>>>> >>>>> Hope it can give you some meaningful information, >>>>> thank you again, >>>>> daria >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> On 2/10/2015 15:09, Maxim Solodovnik wrote: >>>>> >>>>> Thanks a lot, we have 3.0.4RC1 (installed there) >>>>> >>>>> On Tue, Feb 10, 2015 at 6:06 PM, Daria Mikhaylova < >>>>> d.mikhayl...@gmail.com> wrote: >>>>> >>>>>> OM 3.0.3 >>>>>> I will try on demo server today when I'll get testers together and >>>>>> write you back. >>>>>> >>>>>> >>>>>> On 2/10/2015 15:02, Maxim Solodovnik wrote: >>>>>> >>>>>> What version of OM are you using? >>>>>> Cant you check if the problem reproducible on our demo server? >>>>>> http://om.alteametasoft.com:5080/openmeetings >>>>>> >>>>>> On Tue, Feb 10, 2015 at 6:00 PM, Daria Mikhaylova < >>>>>> d.mikhayl...@gmail.com> wrote: >>>>>> >>>>>>> Thank you Maxim for looking into it, if for you works fine, >>>>>>> probably there is other reason than chrome. >>>>>>> Yesterday I was also trying to use Chrome (from Windows) to >>>>>>> participate in OM with 5 other people and it was causing problems to >>>>>>> everyone - people were not hearing each other, room was getting >>>>>>> stacked, as >>>>>>> soon I've changed to firefox, there was no problem anymore. >>>>>>> Unfortunatelly I cannot provide specific steps - the only thing I am >>>>>>> sure, it was not problem of my internet connection and also our server >>>>>>> was >>>>>>> stable (droplet 20$). >>>>>>> >>>>>>> I am not expert in video/audio conferencing, is it true that if one >>>>>>> person has problem with bandwidth - everyone in the room suffer? >>>>>>> eventually >>>>>>> if there is any setting that permit us to isolate one with problems so >>>>>>> others are not touched? >>>>>>> >>>>>>> thank you again! >>>>>>> daria >>>>>>> >>>>>>> On 2/10/2015 09:37, Maxim Solodovnik wrote: >>>>>>> >>>>>>> Just have tried >>>>>>> >>>>>>> Google Chrome 40.0.2214.111 (64-bit) >>>>>>> Mac OS X 10.9.5 (iMac) >>>>>>> >>>>>>> conference room works as expected >>>>>>> Maybe there are any specific steps to reproduce? >>>>>>> >>>>>>> >>>>>>> On Mon, Feb 9, 2015 at 5:50 PM, Daria Mikhaylova < >>>>>>> d.mikhayl...@gmail.com> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> Seems that last version of google chrome 40.0.2214.111 installed on >>>>>>>> Mac (3 different computers) gives strange problem for users of OM, >>>>>>>> instead of video it shows in conference an tv-like interferences >>>>>>>> and sound is going on and off. >>>>>>>> Firefox works fine. Also previous versions were going well. >>>>>>>> I don't know what can be the reason, probably flash plugin, but if >>>>>>>> you have no time for frustration of your attendees, ask them not to use >>>>>>>> last version of Chrome. >>>>>>>> >>>>>>>> Thank you! >>>>>>>> daria mikhaylova >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> WBR >>>>>>> Maxim aka solomax >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> WBR >>>>>> Maxim aka solomax >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> WBR >>>>> Maxim aka solomax >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> WBR >>>> Maxim aka solomax >>>> >>>> >>>> >>> >>> >>> -- >>> WBR >>> Maxim aka solomax >>> >> >> > > > -- > WBR > Maxim aka solomax > > > -- WBR Maxim aka solomax
