https://openmeetings.apache.org/demo.html
.......... El sáb, 24-10-2020 a las 14:09 -0400, dww escribió: > What are the urls to the demo servers? > On Sat, 2020-10-24 at 13:19 +0700, Maxim Solodovnik wrote: > > Hello Denis, > > > > > > > > On Sat, 24 Oct 2020 at 12:01, Denis Noctor <denisnoc...@gmail.com> > > wrote: > > > Hi there Maxim... when a new build is made... is this > > > automatically replicated on the OM demo servers? > > > > yepboth servers were just updated :) > > > If this is the case, I’d be happy to test it out once my class is > > > over tomorrow afternoon, test it out and give some feedback. Last > > > time I had checked there was a #116 build since #115... either > > > way, if I needed... to open up a new AWS instance, I am happy to > > > oblige. > > > On a separate note @Ali Alhaidary (ali.alhaid...@the5stars.org).. > > > . given the nature of your website... I would assume that the > > > current limitation(s) regarding the number of users per room > > > would have been identified at an earlier stage... your regular > > > queries are intriguing but ... if you do work out a solution... > > > rather than piecing everything on a step by step basis... I also > > > think we would all benefit as to what your overall ideas / > > > interests might be so we can all contribute. I look forward to > > > hearing more on this. > > > > this is the paragraph i don't get :(((this last fix was based on > > observation: 7 users can't work in one room, but can in 2 roomsthis > > gave me a hinthopefully in builds #115+ this will be improved > > > > > Talk soon, Denis. > > > > > > Sent from my iPhone > > > On Oct 23, 2020, at 4:55 AM, Maxim Solodovnik < > > > solomax...@gmail.com> wrote: > > > > > > > OK, > > > > please test build #115+ from here > > > > https://ci-builds.apache.org/job/OpenMeetings/job/openmeetings/ > > > > > > > > I would like to confirm if audio/video streams in the room are > > > > more stable :) > > > > > > > > Please NOTE configuration has been changed > > > > most valuable configurable parameters are now > > > > in ./webapps/openmeetings/WEB- > > > > INF/classes/openmeetings.properties :) > > > > > > > > On Fri, 23 Oct 2020 at 13:50, Denis Noctor < > > > > denisnoc...@gmail.com> wrote: > > > > > Hi there Maxim, > > > > > > > > > > I know you've mentioned that you are working on a few > > > > > alternatives since this email but I thought it best to get > > > > > back in touch. > > > > > > > > > > As you will see from the attached screenshot, I mustered up a > > > > > few computers (equally spread over 2 wifi networks in my > > > > > home... in different parts to reduce sound feedback etc. as I > > > > > do not have enough headsets). A few points to take into > > > > > consideration... some of these computers are older than > > > > > others... varying in RAM and CPU... but ALL were using the > > > > > latest version of Chrome. This is what I noticed: > > > > > > > > > > While you can see from the screenshot, there are 7 users in a > > > > > room (6 of which using 120x90 screen res and 1 using 320x240 > > > > > - audio and vid channels open)... there had been some issues. > > > > > I let the room open for about 40 mins but some video pods > > > > > "dropped" from some computers... with no indication as to > > > > > whether users were still active or not. Sometimes I had to > > > > > "reconnect" video and audio on others. Some computers showed > > > > > all 7 connections... while others showed 3... but AFTER I > > > > > added an 8th user (via an Amazon Fire tablet) "Video / Audio" > > > > > pods began to drop from a lot of the computers... showing > > > > > only 3-4 videos pods... and disconnecting users... and > > > > > sometimes being unable to reconnect... or refresh their > > > > > screen (on one computer... Chrome became unresponsive). > > > > > > > > > > When I added the "8th user" to the group... sound quality > > > > > dropped... with a very "scratchy" interference noise for all > > > > > users. > > > > > > > > > > Things were much more stable with 5 users in a room. > > > > > > > > > > Of course, as you can imagine... this is a "one room" > > > > > scenario. > > > > > > > > > > While I have mentioned that I was using older to newer > > > > > computers and tablets (based on what is available to me)... > > > > > all of them were able to perform okay in Microsoft Teams and > > > > > Zoom scenarios (tested)... but obviously with varying degrees > > > > > of performance due to speed, cpu, ram etc. > > > > > > > > > > This seems to be a major issue and I am happy to test > > > > > everything out on the OM demo sites and give feedback over > > > > > the next few days if you would like. My next question would > > > > > be... if that you had 2 similar rooms / classes open under > > > > > the same circumstances... would the overall performance be > > > > > even worse? > > > > > > > > > > I have tested this on a single AWS server, Ubuntu 18.04, 8 > > > > > gigs ram server etc (OM 5 M4... yes, I know, I know... will > > > > > upgrade soon... but assume this issue has crossed over to > > > > > other versions - I will retest on the OM demos online.) > > > > > > > > > > Hope some of this feedback helps. > > > > > > > > > > > > > > > > > > > > > > > > > Virus-free. www.avg.com > > > > > > > > > > > > > > > > > > > > On Thu, Oct 22, 2020 at 7:08 AM Maxim Solodovnik < > > > > > solomax...@gmail.com> wrote: > > > > > > Hello Denis, > > > > > > please let me know if 10 users in the room will be OK > > > > > > we need to change the way cluster works in case current > > > > > > configuration is not stable/powerful enough > > > > > > On Thu, 22 Oct 2020 at 13:33, Denis Noctor < > > > > > > denisnoc...@gmail.com> wrote: > > > > > > > Actually... this is something that had crossed my mind > > > > > > > recently. Previously, I’ve had on average 5 users per > > > > > > > group... but on occasion if there more than 5 users (in > > > > > > > and around 7-10) some users... some would intentionally > > > > > > > drop drop their cam... and sometimes mic... (I thought it > > > > > > > might have been due to bandwidth issues on their side)... > > > > > > > but I’ve got my own kids taking online classes via their > > > > > > > schools... whereby there are a min of 20 attending a > > > > > > > class and so on (different platforms etc.) > > > > > > > > > > > > > > > > > > > > > > > > > > > > I have about a combination of 5 to 6 computers at home > > > > > > > due to home office / covid restrictions etc. and am happy > > > > > > > to log in to either the OM demo sites or others to try > > > > > > > replicate this scenario. (and my own, of course). > > > > > > > > > > > > > > > > > > > > > > > > > > > > Yep, I’ve been reading up on WebRTC and Kurento regarding > > > > > > > connectivity limitations regarding audio and video... > > > > > > > this has been covered a lot recently in previous posts in > > > > > > > this forum... and from memory it is somewhere between > > > > > > > 200-300 connections... (per server? / instance?) > > > > > > > > > > > > > > > > > > > > > > > > > > > > For example... if you have 5 users in a room (using audio > > > > > > > and video) this will result in 5 (users) x 5 audio > > > > > > > connections x 5 video connections... giving “125” > > > > > > > connections... but if you have 7 users in a room > > > > > > > receiving and experiencing audio and vid... that is > > > > > > > 7x7x7= 343 connections... which obviously exceeds the > > > > > > > connections as per previous posts. > > > > > > > > > > > > > > > > > > > > > > > > > > > > I have had a scenario whereby 3 classes were held at the > > > > > > > same time on the same AWS instance... and nobody has > > > > > > > reported a problem (yet... or they unknowingly downplayed > > > > > > > it due to internet bandwidth problems etc.)... but the > > > > > > > max number of students per room has been 4-5.... > > > > > > > > > > > > > > > > > > > > > > > > > > > > I am happy to test this more with others, if you are up > > > > > > > for it and am watching this carefully. > > > > > > > > > > > > > > > > > > > > > > > > > > > > I have a scheduled meeting with 10 participants next week > > > > > > > and am now nervous... and curious to see how it works > > > > > > > out. > > > > > > > > > > > > > > > > > > > > > > > > > > > > Talk soon. > > > > > > > > > > > > > > > > > > > > > > > > > > > > Denis > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Sent from my iPhone > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Oct 21, 2020, at 7:57 PM, dww <dwort...@mykolab.com> > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Does anyone have an idea why the client browser seems > > > > > > > to limited to 5 > > > > > > > > > > > > > > > video pods when each user connects with both video and > > > > > > > microphone. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > It seems to definitely max out the CPU(s) on the client > > > > > > > computer. How > > > > > > > > > > > > > > > do other applications like Zoom or Microsoft Teams get > > > > > > > around this > > > > > > > > > > > > > > > issue. Do they throttle back the streaming of the video > > > > > > > pods or views > > > > > > > > > > > > > > > of many or most of the pods and do it in some kind of > > > > > > > round-robin > > > > > > > > > > > > > > > update? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Am I just doing something wrong. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Any response would be appreciated. I would like to > > > > > > > start uses OM for > > > > > > > > > > > > > > > meetings next month. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > > Dennis > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >> On Sun, 2020-10-18 at 17:40 -0400, dww wrote: > > > > > > > > > > > > > > >> When creating 3 guests on each of 2 other laptops that > > > > > > > I run into the > > > > > > > > > > > > > > >> same issues,so it seems that the main limitation is > > > > > > > the number of > > > > > > > > > > > > > > >> video/audio pods within a client. Is there anyway to > > > > > > > get around that > > > > > > > > > > > > > > >> as > > > > > > > > > > > > > > >> it implies that one annot have more than 4 or 5 guests > > > > > > > with both > > > > > > > > > > > > > > >> video > > > > > > > > > > > > > > >> and audio? > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> Dennis > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >>> On Sun, 2020-10-18 at 13:00 -0400, dww wrote: > > > > > > > > > > > > > > >>> Yes I get the same result, however, this does not > > > > > > > appear to be a > > > > > > > > > > > > > > >>> valid > > > > > > > > > > > > > > >>> stress test of kms. This stress tests a client > > > > > > > machine with > > > > > > > > > > > > > > >>> multiple > > > > > > > > > > > > > > >>> tabs or browser windows each with connections and > > > > > > > determines that > > > > > > > > > > > > > > >>> it > > > > > > > > > > > > > > >>> is > > > > > > > > > > > > > > >>> CPU bound. > > > > > > > > > > > > > > >>> > > > > > > > > > > > > > > >>> It seems the only way to stress test kms is to do > > > > > > > this with > > > > > > > > > > > > > > >>> multiple > > > > > > > > > > > > > > >>> client machines. I have 3 laptops here and a couple > > > > > > > of smart phones > > > > > > > > > > > > > > >>> so > > > > > > > > > > > > > > >>> I will try distributing the client windows among all > > > > > > > of them. > > > > > > > > > > > > > > >>> > > > > > > > > > > > > > > >>> Dennis > > > > > > > > > > > > > > >>> > > > > > > > > > > > > > > >>>> On Sun, 2020-10-18 at 10:56 +0700, Maxim Solodovnik > > > > > > > wrote: > > > > > > > > > > > > > > >>>> I'm on Ubuntu 20.04 desktop? so i can use UI > > > > > > > > > > > > > > >>>> if you are using server I would recommend `htop` > > > > > > > > > > > > > > >>>> > > > > > > > > > > > > > > >>>>> On Sun, 18 Oct 2020 at 10:54, dww < > > > > > > > dwort...@mykolab.com> wrote: > > > > > > > > > > > > > > >>>>> May I ask for your linux command line that got the > > > > > > > CPU > > > > > > > > > > > > > > >>>>> percentage > > > > > > > > > > > > > > >>>>> for all cores? > > > > > > > > > > > > > > >>>>> thanks, > > > > > > > > > > > > > > >>>>> Dennis > > > > > > > > > > > > > > >>>>> > > > > > > > > > > > > > > >>>>> > > > > > > > > > > > > > > >>>>> > > > > > > > > > > > > > > >>>>>> On Sat, 2020-10-17 at 12:59 +0700, Maxim > > > > > > > Solodovnik wrote: > > > > > > > > > > > > > > >>>>>> Hello, > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> i just have tried the following script > > > > > > > > > > > > > > >>>>>> started as `./run10.sh 5` > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> everything seems to work, but my CPU was 800% busy > > > > > > > (all cores > > > > > > > > > > > > > > >>>>>> were 100% busy) > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> without `--use-fake-device-for-media-stream` > > > > > > > parameter I had > > > > > > > > > > > > > > >>>>>> lots > > > > > > > > > > > > > > >>>>>> of permission errors due to camera was "captured" > > > > > > > by first > > > > > > > > > > > > > > >>>>>> browser > > > > > > > > > > > > > > >>>>>> other have reported "Camera busy" error > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> _HASH_HERE_ - should be replaced with real hash (I > > > > > > > have > > > > > > > > > > > > > > >>>>>> created > > > > > > > > > > > > > > >>>>>> endless invitation hash to the private conference > > > > > > > room) > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> the script > > > > > > > > > > > > > > >>>>>> =============================================== > > > > > > > > > > > > > > >>>>>> #!/bin/bash > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> i=$1 > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> if [ -z "${i}" ]; then > > > > > > > > > > > > > > >>>>>> i=30 > > > > > > > > > > > > > > >>>>>> fi > > > > > > > > > > > > > > >>>>>> let "i += 0" > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> rm -rf /tmp/delme* > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> while ((i--)); do > > > > > > > > > > > > > > >>>>>> #echo "${i}" > > > > > > > > > > > > > > >>>>>> mkdir /tmp/delme${i} > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> #local conference > > > > > > > > > > > > > > >>>>>> chromium-browser --user-data-dir=/tmp/delme${i} > > > > > > > --disable- > > > > > > > > > > > > > > >>>>>> infobars --no-default-browser-check --allow- > > > > > > > insecure- > > > > > > > > > > > > > > >>>>>> localhost > > > > > > > > > > > > > > >>>>>> -- > > > > > > > > > > > > > > >>>>>> use-fake-device-for-media-stream ' > > > > > > > > > > > > > > >>>>>> > > > > > > > https://localhost:5443/openmeetings/hash?invitation=_HASH_HERE_&language=1' > > > > > > > > > > > > > > >>>>>> & > > > > > > > > > > > > > > >>>>>> done > > > > > > > > > > > > > > >>>>>> > > > > > > > > > > > > > > >>>>>> On Fri, 16 Oct 2020 at 09:10, dww < > > > > > > > dwort...@mykolab.com> > > > > > > > > > > > > > > >>>>>> wrote: > > > > > > > > > > > > > > >>>>>>> I mentioned earlier that I wanted to experiment > > > > > > > with > > > > > > > > > > > > > > >>>>>>> clustering > > > > > > > > > > > > > > >>>>>>> using > > > > > > > > > > > > > > >>>>>>> docker swarm for the kms service. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> I wanted to establish a base line using one > > > > > > > container for > > > > > > > > > > > > > > >>>>>>> kms. > > > > > > > > > > > > > > >>>>>>> All the > > > > > > > > > > > > > > >>>>>>> components are in one Linode with 8 GB of RAM. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> For this experiment. I start entering the video > > > > > > > and > > > > > > > > > > > > > > >>>>>>> whiteboard > > > > > > > > > > > > > > >>>>>>> room > > > > > > > > > > > > > > >>>>>>> from my admin login from Firefox on one laptop. I > > > > > > > allowed > > > > > > > > > > > > > > >>>>>>> both > > > > > > > > > > > > > > >>>>>>> video > > > > > > > > > > > > > > >>>>>>> and microphone and the video pod was the lowest > > > > > > > resolution. > > > > > > > > > > > > > > >>>>>>> I > > > > > > > > > > > > > > >>>>>>> generate > > > > > > > > > > > > > > >>>>>>> a guest url to the room. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> On another laptop also on the same connection to > > > > > > > the > > > > > > > > > > > > > > >>>>>>> internet > > > > > > > > > > > > > > >>>>>>> I > > > > > > > > > > > > > > >>>>>>> enter > > > > > > > > > > > > > > >>>>>>> the room on firefox and allow both video ( lowest > > > > > > > > > > > > > > >>>>>>> resolution) > > > > > > > > > > > > > > >>>>>>> and > > > > > > > > > > > > > > >>>>>>> microphone on a new tab each time. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> Up to 4 guest clients load quickly and the pods > > > > > > > are created > > > > > > > > > > > > > > >>>>>>> almost > > > > > > > > > > > > > > >>>>>>> immediately on all 5 tabs. On the first attempt > > > > > > > on the 5th > > > > > > > > > > > > > > >>>>>>> guest the > > > > > > > > > > > > > > >>>>>>> pod for this guest on the admin laptop took a > > > > > > > couple of > > > > > > > > > > > > > > >>>>>>> minutes > > > > > > > > > > > > > > >>>>>>> to load > > > > > > > > > > > > > > >>>>>>> the video. On the 5th guest tab, the pods for > > > > > > > guest 1, 2 > > > > > > > > > > > > > > >>>>>>> and > > > > > > > > > > > > > > >>>>>>> 4 > > > > > > > > > > > > > > >>>>>>> would > > > > > > > > > > > > > > >>>>>>> not refresh( pod frames present but no video. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> RAM and CPU usage was not significant on the > > > > > > > server. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> I closed the tabs for all the guests and redid > > > > > > > the > > > > > > > > > > > > > > >>>>>>> experiment, > > > > > > > > > > > > > > >>>>>>> The > > > > > > > > > > > > > > >>>>>>> first 4 guests again loaded quickly without any > > > > > > > issues. The > > > > > > > > > > > > > > >>>>>>> 5th > > > > > > > > > > > > > > >>>>>>> guest > > > > > > > > > > > > > > >>>>>>> loaded to completion but took about 40 seconds > > > > > > > for all 6 > > > > > > > > > > > > > > >>>>>>> tabs > > > > > > > > > > > > > > >>>>>>> to > > > > > > > > > > > > > > >>>>>>> complete. On the 6th guest there were multiple > > > > > > > connection > > > > > > > > > > > > > > >>>>>>> drops > > > > > > > > > > > > > > >>>>>>> and > > > > > > > > > > > > > > >>>>>>> retries and the tabs were reduced to about 3 pods > > > > > > > working, > > > > > > > > > > > > > > >>>>>>> the > > > > > > > > > > > > > > >>>>>>> others > > > > > > > > > > > > > > >>>>>>> gone, this was on all tabs. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> So based on this it seems that up to 5 users > > > > > > > using both > > > > > > > > > > > > > > >>>>>>> video > > > > > > > > > > > > > > >>>>>>> and > > > > > > > > > > > > > > >>>>>>> microphone seem to work fine. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> Does this agree with anyone else's experience? I > > > > > > > had from > > > > > > > > > > > > > > >>>>>>> other > > > > > > > > > > > > > > >>>>>>> posts > > > > > > > > > > > > > > >>>>>>> that we can expect 14-15 users per kms instance. > > > > > > > Does both > > > > > > > > > > > > > > >>>>>>> laptop on > > > > > > > > > > > > > > >>>>>>> the same network have any influence on this? > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> I will try a swarm next after I gets some > > > > > > > feedback. > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > >>>>>>> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > Best regards, > > > > > > Maxim > > > > > > > > > > > > > > > > > > > > > > > > > Virus-free. www.avg.com > > > > > > > > > > > > > > > > > > > > > > >
