Check the CPU and network on at least one client device
On Wed, 2020-11-25 at 12:32 -0600, Denis Noctor wrote:
> I didn’t as I was testing on the open meetings demo next website.
> Probably in the logs if they have not been cleared. If it is possible
> to view that info I could schedule and conduct another test.
>
> Sent from my iPhone
> On Nov 25, 2020, at 11:10 AM, dww <[email protected]> wrote:
>
> > Denis,
> > Did you check the CPU usage on the server and on at least one of
> > the client devices when you got to 8 devices.?
> > Thanks,Dennis
> > On Mon, 2020-11-23 at 16:56 -0600, Denis Noctor wrote:
> > > Comment below....
> > > On Mon, Nov 23, 2020 at 4:13 PM dww <[email protected]> wrote:
> > > > It seems to me that there are 2 separate stress points.
> > > >
> > > > 1. Maximum number of KMS streams (this can be addressed with
> > > > clustering).
> > > > 2. Maximum number of users with video and audio that can
> > > > showing live on the client browsers (This may require
> > > > addressing layout on the browsers).
> > >
> > > Tablets (Android based with Chrome) - all video pods were
> > > visible, with the exception of the problems when I exceed 8. I
> > > did not test iOS devices as mine cannot be update to the latest
> > > iOS version / Safari.
> > >
> > > However, one of my students (Android phone) (who is in a small
> > > group (5)) has been able to view everyone's cam with no
> > > problem... though I would really only recommend a smartphone as a
> > > last resort.
> > >
> > > Picture below:
> > > <tablet_view (2).JPG>
> > >
> > >
> > >
> > >
> > > > Also when you did your tests were smart phones and tablets
> > > > allowing fewer users showing on the browser compared
> > > > to laptops and desktops?
> > > > Dennis
> > > >
> > > > On Mon, 2020-11-23 at 15:43 -0600, Denis Noctor wrote:
> > > > > Thanks for that Maxim.
> > > > >
> > > > > I came across this...
> > > > >
> > > > > https://docs.bigbluebutton.org/2.2/customize.html
> > > > >
> > > > > (scroll down to "Run three parallel Kurento media servers").
> > > > >
> > > > > This appears to suggest that 3 KMS (audio, video and
> > > > > screesharing) processes on one server. Maybe this could bring
> > > > > us one step further?
> > > > >
> > > > > All the best.
> > > > >
> > > > > Denis
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > On Mon, Nov 23, 2020 at 9:31 AM Maxim Solodovnik <
> > > > > [email protected]> wrote:
> > > > > > I just have fixed "refresh" buttonSo audio/video stream can
> > > > > > be "refreshed" without page reload
> > > > > > both user-list and video-pod buttons are works according to
> > > > > > my tests
> > > > > >
> > > > > > On Mon, 23 Nov 2020 at 17:08, Peter Dähn <[email protected]>
> > > > > > wrote:
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Hi there,
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > this might be because BBB uses 3+ KMS servers
> > > > > > > clustered
> > > > > > > (I was unable to find direct link regarding it ...)
> > > > > > >
> > > > > > >
> > > > > > > as far as I know, they use freeswitch for audio and
> > > > > > > kms just for the
> > > > > > > video streams...
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > BR Peter
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Am 23.11.20 um 10:53 schrieb Denis
> > > > > > > Noctor:
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > > Thanks a
> > > > > > > > lot Maxim. I am happy to help in anyway for
> > > > > > > > future tests.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Sent from my iPhone
> > > > > > > >
> > > > > > > >
> > > > > > > > On Nov 23, 2020, at 3:43 AM, Maxim Solodovnik <
> > > > > > > > [email protected]>
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Thanks for very detailed report Denis
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > couple of thoughts inline:
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Mon, 23 Nov 2020 at
> > > > > > > > > 13:59, Denis Noctor <
> > > > > > > > > [email protected]>
> > > > > > > > > wrote:
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > > Hi there everyone,
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > My sincerest apologies for only
> > > > > > > > > > getting back to you
> > > > > > > > > > now. As I had mentioned in my
> > > > > > > > > > previous email that I
> > > > > > > > > > was going through a personal
> > > > > > > > > > issue and it took longer
> > > > > > > > > > than I had anticipated to get
> > > > > > > > > > back in touch.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > However, as mentioned before, I
> > > > > > > > > > have been keeping up
> > > > > > > > > > to date by reading all the emails
> > > > > > > > > > in the forum over
> > > > > > > > > > the last few weeks... and some
> > > > > > > > > > direct emails also.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > I also apologize for the length
> > > > > > > > > > of the email... so
> > > > > > > > > > maybe you should grab a coffee.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > As mentioned in my previous
> > > > > > > > > > email, I set up 10 devices
> > > > > > > > > > to connect to Room 7 on the OM
> > > > > > > > > > demo server - all of
> > > > > > > > > > which where running the latest
> > > > > > > > > > version of Chrome. 3
> > > > > > > > > > machines running Windows 10, 1
> > > > > > > > > > running Windows 8, 4
> > > > > > > > > > running Windows 7, 2 Amazon Fires
> > > > > > > > > > (set up to run
> > > > > > > > > > Chrome) with varying degrees of
> > > > > > > > > > ram (2, 4, 8 and 12
> > > > > > > > > > gigs)
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > The results are as follows:
> > > > > > > > > >
> > > > > > > > > > After logging in around 8.22pm
> > > > > > > > > > (Mexico time), 12th
> > > > > > > > > > November (OpenMeetings - Next,
> > > > > > > > > > 5.1.0-SNAPSHOT,
> > > > > > > > > > Revision: db7be4b, Build date:
> > > > > > > > > > 2020-11-09T14:57:23Z ,
> > > > > > > > > > I gradually added other devices
> > > > > > > > > > to the room. I got to
> > > > > > > > > > 8. There was a little but of a
> > > > > > > > > > time lapse... in the
> > > > > > > > > > sense that I would move from one
> > > > > > > > > > computer to
> > > > > > > > > > another... and could still see
> > > > > > > > > > myself in one feed
> > > > > > > > > > after I had move to another. It
> > > > > > > > > > is important to note
> > > > > > > > > > that 2 of the computers (older
> > > > > > > > > > HP's) have a slight
> > > > > > > > > > webcam issue... (I think there is
> > > > > > > > > > a fauly cable...
> > > > > > > > > > sometimes works sometimes doesn't
> > > > > > > > > > - but audio/mic was
> > > > > > > > > > working fine).
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > When I added 2 the last two
> > > > > > > > > > devices, things started to
> > > > > > > > > > break down. The audio quality was
> > > > > > > > > > clearly reduced...
> > > > > > > > > > there was a lot of crackling
> > > > > > > > > > sounds... and some of the
> > > > > > > > > > users video pods disappeared from
> > > > > > > > > > some of the
> > > > > > > > > > devices´screens.... or "empty"
> > > > > > > > > > video pods filled some
> > > > > > > > > > screens... on some devices....
> > > > > > > > > > but were viewable on
> > > > > > > > > > others. Some users appeared to be
> > > > > > > > > > disconnected, though
> > > > > > > > > > they could continue to view the
> > > > > > > > > > whiteboards... but had
> > > > > > > > > > their audio and video
> > > > > > > > > > disconnected (icons in
> > > > > > > > > > orange)... when they tried to
> > > > > > > > > > reconnect... they
> > > > > > > > > > couldn't... they clicked on the
> > > > > > > > > > audio / vid icons but
> > > > > > > > > > with no effect... refreshing the
> > > > > > > > > > screen sometimes
> > > > > > > > > > seemed to correct this.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > While 8 users seemed to be able
> > > > > > > > > > to connect okay...
> > > > > > > > > > there was a little bit of a time
> > > > > > > > > > delay. As you can
> > > > > > > > > > understand, I don't have
> > > > > > > > > > headphones and microphones
> > > > > > > > > > for each and every computer... so
> > > > > > > > > > I spaced them around
> > > > > > > > > > my house... when I talked... I
> > > > > > > > > > could hear my voice
> > > > > > > > > > being repeated... (I am not
> > > > > > > > > > referring to echo
> > > > > > > > > > feedback).... there was a slight
> > > > > > > > > > time delay by a
> > > > > > > > > > couple of seconds on some of the
> > > > > > > > > > devices... moving
> > > > > > > > > > from device to device. However,
> > > > > > > > > > with just 5 users in a
> > > > > > > > > > room, this was not really an
> > > > > > > > > > issue.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > From time to time users
> > > > > > > > > > experienced other users being
> > > > > > > > > > disconnected or whereby they
> > > > > > > > > > could see the "empty
> > > > > > > > > > video pod" with the green border
> > > > > > > > > > flashing on and off
> > > > > > > > > > as someone spoke.... but again no
> > > > > > > > > > audio or video being
> > > > > > > > > > received.... but it was possible
> > > > > > > > > > to see the same users
> > > > > > > > > > on other devices.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Users would try to "refresh" the
> > > > > > > > > > page... again only
> > > > > > > > > > having access to 4 - 5 users on
> > > > > > > > > > the page.... and not
> > > > > > > > > > necessarily seeing the moderator.
> > > > > > > > > > I finished testing
> > > > > > > > > > around 9.50pm.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Some additional observations:
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Based on some of the emails over
> > > > > > > > > > the last few weeks.
> > > > > > > > > > It appears to be that one OM
> > > > > > > > > > instance can only deal
> > > > > > > > > > with 3 simultaneous rooms with 5
> > > > > > > > > > users approx in each
> > > > > > > > > > room (using audio and video)...
> > > > > > > > > > and based on the above
> > > > > > > > > > maybe a little more, but at a
> > > > > > > > > > stretch. This appears to
> > > > > > > > > > boil down to limitations due to
> > > > > > > > > > number Kurento /
> > > > > > > > > > WebRTC connections.... some of
> > > > > > > > > > you have mention
> > > > > > > > > > somewhere in the range of 200 -
> > > > > > > > > > 300 connections.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > As a result I took a look at a
> > > > > > > > > > few sites regarding
> > > > > > > > > > BigBlueButton (BBB), as it also
> > > > > > > > > > uses Kurento and
> > > > > > > > > > WebRTC to get a general idea as
> > > > > > > > > > to how many users can
> > > > > > > > > > be in a room (with camera and
> > > > > > > > > > audio). However, a lot
> > > > > > > > > > of digging had to be done as many
> > > > > > > > > > of the numbers that
> > > > > > > > > > are used are about how many
> > > > > > > > > > participants can be in a
> > > > > > > > > > room (without cam and mic) with a
> > > > > > > > > > moderator (using cam
> > > > > > > > > > and mic). Now I apologize for
> > > > > > > > > > bringing up BBB in
> > > > > > > > > > conversation, as I am not
> > > > > > > > > > endorsing the
> > > > > > > > > > platform....reminding me of Harry
> > > > > > > > > > Potter, (Voldemort)
> > > > > > > > > > "He who shall not be named" :)
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > However, it might be worth
> > > > > > > > > > investigating for ideas on
> > > > > > > > > > how to increase the number of
> > > > > > > > > > cams / mics in an OM
> > > > > > > > > > room.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > You can view this information
> > > > > > > > > > here:
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > https://support.blindsidenetworks.com/hc/en-us/articles/360042272991-How-many-users-can-I-have-in-a-BigBlueButton-session-at-one-time
> > > > > > > > > > -
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Similarly, if you look at the
> > > > > > > > > > following link it
> > > > > > > > > > suggests that the more number of
> > > > > > > > > > concurrent users...
> > > > > > > > > > the number of rooms will be less
> > > > > > > > > > (but again not taking
> > > > > > > > > > into consideration cams and mics)
> > > > > > > > > > :
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > https://docs.bigbluebutton.org/support/faq.html#how-many-simultaneous-users-can-bigbluebutton-support
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > However, regarding the limited
> > > > > > > > > > number of users (with
> > > > > > > > > > cam and mic), BBB seems to have
> > > > > > > > > > got arround this by
> > > > > > > > > > having a window of 5 cams that
> > > > > > > > > > can be scrolled left or
> > > > > > > > > > right. It appears moderators can
> > > > > > > > > > still view up to 25
> > > > > > > > > > cams etc.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Take a look at this:
> > > > > > > > > > https://support.blindsidenetworks.com/hc/en-us/articles/360049799851-September-16-2020-Webcam-viewing-and-recording-updates
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > this might be because BBB uses 3+ KMS
> > > > > > > > > servers
> > > > > > > > > clustered
> > > > > > > > > (I was unable to find direct link
> > > > > > > > > regarding it ...)
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > I guess we might contact BBB devs and
> > > > > > > > > ask for the
> > > > > > > > > help in KMS configuration/clustering
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > > _________________________
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > OM Demo Next Server Specs:
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > @Maxim, is it possible to share
> > > > > > > > > > the specs of the demo
> > > > > > > > > > server, ram, cpu, etc, so that we
> > > > > > > > > > can get a general
> > > > > > > > > > idea as to what to benchmark
> > > > > > > > > > against.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > I did share the specs before
> > > > > > > > > here they are
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > dedicated server with
> > > > > > > > > CPU: 8x Intel(R) Core(TM) i7 CPU
> > > > > > > > > 950 @
> > > > > > > > > 3.07GHz
> > > > > > > > > RAM: 24GB
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > It hosting
> > > > > > > > > om-demo: 8GB for java
> > > > > > > > > om-next: 4GB for java
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > These instances are using
> > > > > > > > > - same KMS
> > > > > > > > > - same Coturn
> > > > > > > > > - Separate databases at same MySql
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > I can increase java memory for demo-
> > > > > > > > > next if you are
> > > > > > > > > planning to do tests one more time
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > At the moment I am using AWS,
> > > > > > > > > > t3a.large (8 gigs Ram ,
> > > > > > > > > > 2 vCPUS). However, I am under the
> > > > > > > > > > impression that even
> > > > > > > > > > if I upgrade my AWS server... I
> > > > > > > > > > am not really going to
> > > > > > > > > > see any major improvements given
> > > > > > > > > > the fact that I am
> > > > > > > > > > still limited to the number of
> > > > > > > > > > users (with cam and
> > > > > > > > > > mic) per room.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Before this whole covid
> > > > > > > > > > situation, my school had 10
> > > > > > > > > > classrooms, class size average
> > > > > > > > > > 10. I would like to be
> > > > > > > > > > able to have a similar virtual
> > > > > > > > > > set up... but based on
> > > > > > > > > > all the info above I would need 3
> > > > > > > > > > - 4 instances (using
> > > > > > > > > > clustering, which I have never
> > > > > > > > > > done before) - but will
> > > > > > > > > > still have a problem having 11
> > > > > > > > > > users (10 students / 1
> > > > > > > > > > moderator) in a room.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > And while I know the following
> > > > > > > > > > question (as an
> > > > > > > > > > alternative) might be considered
> > > > > > > > > > ridiculous - can a
> > > > > > > > > > multiple number of OM
> > > > > > > > > > installations (with multiple KMS
> > > > > > > > > > etc) be conducted in one server -
> > > > > > > > > > which more ram, cpu
> > > > > > > > > > power etc?
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > It would be great if anyone out
> > > > > > > > > > there has a successful
> > > > > > > > > > clustering model that they could
> > > > > > > > > > share - even to test
> > > > > > > > > > across 2 instances. At present, I
> > > > > > > > > > am using Ubuntu
> > > > > > > > > > 18.04 on AWS as described above.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Either way it seems the main
> > > > > > > > > > obstacle at the moment
> > > > > > > > > > seems to be how Kurento and
> > > > > > > > > > WebRTC can be set up to
> > > > > > > > > > overcome these limitations
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Apologies once again for the
> > > > > > > > > > length of this email and
> > > > > > > > > > for taking so long to get back in
> > > > > > > > > > touch.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > (I've added a few screenshots
> > > > > > > > > > regarding my test below
> > > > > > > > > > (one computer's time is 2 hours
> > > > > > > > > > behind for some
> > > > > > > > > > strange reason) :))
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > All the best,
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Denis.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Virus-free. www.avg.com
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On Sat, Nov 14, 2020
> > > > > > > > > > at 12:26 AM Maxim Solodovnik <
> > > > > > > > > > [email protected]>
> > > > > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > On Fri, 13 Nov
> > > > > > > > > > > 2020 at 14:24, Denis
> > > > > > > > > > > Noctor <[email protected]>
> > > > > > > > > > > wrote:
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > > Hi there Maxim... I
> > > > > > > > > > > > did a test
> > > > > > > > > > > > with 8 computers
> > > > > > > > > > > > and 2 tablets last night
> > > > > > > > > > > > (spread across 2
> > > > > > > > > > > > WiFis)... please don’t
> > > > > > > > > > > > delete the logs on
> > > > > > > > > > > > the OM demo server
> > > > > > > > > > > > (next)...
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > I just backup the logs
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > > I will come back to
> > > > > > > > > > > > you all
> > > > > > > > > > > > with some feedback
> > > > > > > > > > > > and pics later tomorrow
> > > > > > > > > > > > (if that’s okay)...
> > > > > > > > > > > > however, for
> > > > > > > > > > > > reference... I
> > > > > > > > > > > > started the process in the
> > > > > > > > > > > > public room
> > > > > > > > > > > > #7...start time around 8.22pm
> > > > > > > > > > > > (12th Nov)
> > > > > > > > > > > > (México... 6 hrs behind) and end
> > > > > > > > > > > > time 9.50pm... (if
> > > > > > > > > > > > you want to check the
> > > > > > > > > > > > logs) .... the
> > > > > > > > > > > > short version is that 8 users
> > > > > > > > > > > > experienced
> > > > > > > > > > > > relatively stable performance.
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > Looking forward to hear
> > > > > > > > > > > the full version
> > > > > > > > > > > :))
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > > Will give you a more
> > > > > > > > > > > > detailed
> > > > > > > > > > > > feedback once I
> > > > > > > > > > > > deal with a personal issue.
> > > > > > > > > > > > All the best,
> > > > > > > > > > > > Denis.
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > Sent from my iPhone
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > On Nov 11, 2020,
> > > > > > > > > > > > at 9:09 PM, Maxim
> > > > > > > > > > > > Solodovnik <
> > > > > > > > > > > > [email protected]>
> > > > > > > > > > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Hello All,
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > I'll try
> > > > > > > > > > > > > to answer in one email
> > > > > > > > > > > > > :)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > On
> > > > > > > > > > > > > Wed, 11
> > > > > > > > > > > > > Nov 2020 at 20:32, dww
> > > > > > > > > > > > > <
> > > > > > > > > > > > > [email protected]>
> > > > > > > > > > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > However,
> > > > > > > > > > > > > > Denis
> > > > > > > > > > > > > > , I think your experiment
> > > > > > > > > > > > > > with
> > > > > > > > > > > > > > multiple devices would be
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > valua
> > > > > > > > > > > > > > ble as then there is only one
> > > > > > > > > > > > > > brows
> > > > > > > > > > > > > > er tab or window with the OM
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > room
> > > > > > > > > > > > > > open as a guest on each
> > > > > > > > > > > > > > devic
> > > > > > > > > > > > > > e. Perhaps that will make a
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > diffe
> > > > > > > > > > > > > > rence.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > yes, this
> > > > > > > > > > > > > would be better test
> > > > > > > > > > > > > (even
> > > > > > > > > > > > > if "fake" camera is used)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Denni
> > > > > > > > > > > > > > s
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > On
> > > > > > > > > > > > > > Wed, 2020-11-11 at 08:24 -0500,
> > > > > > > > > > > > > > dww
> > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Thanks, Denis,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Back on Oct. 17 Maxim
> > > > > > > > > > > > > > provi
> > > > > > > > > > > > > > ded the following Bash script
> > > > > > > > > > > > > > to be
> > > > > > > > > > > > > > run on
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > the
> > > > > > > > > > > > > > machine with a client
> > > > > > > > > > > > > > side
> > > > > > > > > > > > > > browser for the psuedo guest
> > > > > > > > > > > > > > users
> > > > > > > > > > > > > > . (
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Use
> > > > > > > > > > > > > > another machine to create
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > > room administratively and send
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > invitations) This is a far
> > > > > > > > > > > > > > simpl
> > > > > > > > > > > > > > er way to stress test the
> > > > > > > > > > > > > > clien
> > > > > > > > > > > > > > t side
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > browser.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Dennis
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Hello,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > i
> > > > > > > > > > > > > > just have tried the
> > > > > > > > > > > > > > follo
> > > > > > > > > > > > > > wing 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`
> > > > > > > > > > > > > > param
> > > > > > > > > > > > > > eter I had lots of
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > permission errors due to
> > > > > > > > > > > > > > camer
> > > > > > > > > > > > > > a was "captured" by first
> > > > > > > > > > > > > > brows
> > > > > > > > > > > > > > er
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > other have reported "Camera
> > > > > > > > > > > > > > busy"
> > > > > > > > > > > > > > error
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > _HASH_HERE_ - should be
> > > > > > > > > > > > > > repla
> > > > > > > > > > > > > > ced with real hash (I have
> > > > > > > > > > > > > > creat
> > > > > > > > > > > > > > ed
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > endless
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > invitation hash to the
> > > > > > > > > > > > > > priva
> > > > > > > > > > > > > > te 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
> > > > > > > > > > > > > > Wed, 2020-11-11 at 01:53
> > > > > > > > > > > > > > -
> > > > > > > > > > > > > > 0600, Denis Noctor wrote:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Hi there everyone, this
> > > > > > > > > > > > > > seems
> > > > > > > > > > > > > > to be the “elephant in the
> > > > > > > > > > > > > > room”
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > discussion, while there
> > > > > > > > > > > > > > has
> > > > > > > > > > > > > > been a HUGE amount of
> > > > > > > > > > > > > > devel
> > > > > > > > > > > > > > opment and
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > progress in OM since
> > > > > > > > > > > > > > March
> > > > > > > > > > > > > > (thank you so much @Maxim)
> > > > > > > > > > > > > > ...
> > > > > > > > > > > > > > there is
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > the whole issue of, for
> > > > > > > > > > > > > > examp
> > > > > > > > > > > > > > le, the number of users per
> > > > > > > > > > > > > > room.
> > > > > > > > > > > > > > ..
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > which seems to be about
> > > > > > > > > > > > > > 5-6
> > > > > > > > > > > > > > (and maybe even to 7) when
> > > > > > > > > > > > > > pushe
> > > > > > > > > > > > > > d to
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > limit... with both audio
> > > > > > > > > > > > > > and
> > > > > > > > > > > > > > video being broadcasted from
> > > > > > > > > > > > > > all
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > users... and, something
> > > > > > > > > > > > > > else.
> > > > > > > > > > > > > > . if there are simultaneous
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > classes/sessions being
> > > > > > > > > > > > > > held
> > > > > > > > > > > > > > on the same server... will
> > > > > > > > > > > > > > this
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > restrict
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > things even further? Is
> > > > > > > > > > > > > > this
> > > > > > > > > > > > > > an overall limitation
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Sebastian
> > > > > > > > > > > > > did some AWS based
> > > > > > > > > > > > > testing
> > > > > > > > > > > > > And, if
> > > > > > > > > > > > > i'm not mistaken, the
> > > > > > > > > > > > > server
> > > > > > > > > > > > > with 4GB RAM was able to
> > > > > > > > > > > > > handle
> > > > > > > > > > > > > at least 3 rooms of 5
> > > > > > > > > > > > > people
> > > > > > > > > > > > > (5.1.0-
> > > > > > > > > > > > > SNAPSHOT should behave
> > > > > > > > > > > > > better
> > > > > > > > > > > > > than 5.0.1)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > to
> > > > > > > > > > > > > increase the number of rooms
> > > > > > > > > > > > > you can
> > > > > > > > > > > > > use cluster
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > to
> > > > > > > > > > > > > > using
> > > > > > > > > > > > > > a
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > browser
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > based approach... or
> > > > > > > > > > > > > > shoul
> > > > > > > > > > > > > > d we be taking approach?
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > well,
> > > > > > > > > > > > > there is
> > > > > > > > > > > > > "The Limit"
> > > > > > > > > > > > > KMS can
> > > > > > > > > > > > > handle only certain
> > > > > > > > > > > > > amount
> > > > > > > > > > > > > of multimedia connections
> > > > > > > > > > > > > additiona
> > > > > > > > > > > > > lly there are other
> > > > > > > > > > > > > limits:
> > > > > > > > > > > > > -
> > > > > > > > > > > > > bandwidth
> > > > > > > > > > > > > - CPU
> > > > > > > > > > > > > - RAM
> > > > > > > > > > > > > - open
> > > > > > > > > > > > > files (network socket is
> > > > > > > > > > > > > a file)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > "The
> > > > > > > > > > > > > Limit" is something I'm
> > > > > > > > > > > > > not
> > > > > > > > > > > > > sure how to deal with (yet)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > It was my intention to
> > > > > > > > > > > > > > test
> > > > > > > > > > > > > > out the OM “demo servers”
> > > > > > > > > > > > > > over
> > > > > > > > > > > > > > the last
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > 2
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > weeks but will take
> > > > > > > > > > > > > > today
> > > > > > > > > > > > > > off and try to test 10 real
> > > > > > > > > > > > > > devic
> > > > > > > > > > > > > > e
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > connections... with a
> > > > > > > > > > > > > > combi
> > > > > > > > > > > > > > nation of desktops, laptops,
> > > > > > > > > > > > > > andro
> > > > > > > > > > > > > > id
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > tablets and maybe even
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > > odd iPhone or two.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Apple
> > > > > > > > > > > > > devices has issues with
> > > > > > > > > > > > > sound
> > > > > > > > > > > > > (outgoing)
> > > > > > > > > > > > > I'm still
> > > > > > > > > > > > > investigating this
> > > > > > > > > > > > > one
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > My million dollar
> > > > > > > > > > > > > > quest
> > > > > > > > > > > > > > ion is... prior to WebRTC and
> > > > > > > > > > > > > > Kuren
> > > > > > > > > > > > > > to... was
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > it possible to have 5-10
> > > > > > > > > > > > > > users
> > > > > > > > > > > > > > in a room with audio and
> > > > > > > > > > > > > > video
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > working
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > seamlessly in previous
> > > > > > > > > > > > > > versi
> > > > > > > > > > > > > > ons (for example, the old
> > > > > > > > > > > > > > “flas
> > > > > > > > > > > > > > h” setup
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > (which will be redundant
> > > > > > > > > > > > > > after
> > > > > > > > > > > > > > Christmas... Chrome etc
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > notifications)
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > and if so, what has
> > > > > > > > > > > > > > chang
> > > > > > > > > > > > > > ed?
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Yes this
> > > > > > > > > > > > > was possible
> > > > > > > > > > > > > OM_before
> > > > > > > > > > > > > _5 was based on Red5
> > > > > > > > > > > > > media
> > > > > > > > > > > > > server
> > > > > > > > > > > > > Unfortuna
> > > > > > > > > > > > > tely it's open source
> > > > > > > > > > > > > version
> > > > > > > > > > > > > has no WebRTC support
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > If there is anyone out
> > > > > > > > > > > > > > there
> > > > > > > > > > > > > > that has no problem with
> > > > > > > > > > > > > > user
> > > > > > > > > > > > > > numbers
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > (using audio and vid)...
> > > > > > > > > > > > > > excee
> > > > > > > > > > > > > > ding a body of 7-10+, please
> > > > > > > > > > > > > > let
> > > > > > > > > > > > > > us
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > know.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > In the meantime, I’ll
> > > > > > > > > > > > > > give
> > > > > > > > > > > > > > you my feedback on my tests.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > I
> > > > > > > > > > > > > > really appreciate
> > > > > > > > > > > > > > every
> > > > > > > > > > > > > > thing that has been done to
> > > > > > > > > > > > > > date.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Thanks.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Sent from my iPhone
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > On Nov 9, 2020, at
> > > > > > > > > > > > > > 4:50
> > > > > > > > > > > > > > PM, dww <[email protected]>
> > > > > > > > > > > > > > wrote
> > > > > > > > > > > > > > :
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Hello Maxim,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > A couple of weeks
> > > > > > > > > > > > > > ago
> > > > > > > > > > > > > > there was an email thread
> > > > > > > > > > > > > > about
> > > > > > > > > > > > > > the 5 total
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > users
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > for one room, each
> > > > > > > > > > > > > > user
> > > > > > > > > > > > > > with video/microphone under
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Subject: "docker
> > > > > > > > > > > > > > conta
> > > > > > > > > > > > > > iner clustering experiments
> > > > > > > > > > > > > > #1".
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > For
> > > > > > > > > > > > > whatever reason you love to
> > > > > > > > > > > > > start
> > > > > > > > > > > > > new mail threads :))))
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > In
> > > > > > > > > > > > > > this
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > case
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > it
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > appears the
> > > > > > > > > > > > > > bottl
> > > > > > > > > > > > > > eneck is the CPU usage on the
> > > > > > > > > > > > > > clien
> > > > > > > > > > > > > > t machine
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > with
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > browser.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > In a response to
> > > > > > > > > > > > > > Denis
> > > > > > > > > > > > > > Noctor on a similar thread
> > > > > > > > > > > > > > you
> > > > > > > > > > > > > > mentioned
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > to
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > try
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > the following:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > "please check
> > > > > > > > > > > > > > allow
> > > > > > > > > > > > > > ed amount of opened files for
> > > > > > > > > > > > > > the
> > > > > > > > > > > > > > user who
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > starts
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > OM/KMS/TURN
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > increasing it might
> > > > > > > > > > > > > > help"
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Might this help
> > > > > > > > > > > > > > with
> > > > > > > > > > > > > > the issue we discussed? Where
> > > > > > > > > > > > > > appro
> > > > > > > > > > > > > > ximately
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > do
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > I
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > set the allowed
> > > > > > > > > > > > > > amoun
> > > > > > > > > > > > > > t of opened files?
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > KMS seems
> > > > > > > > > > > > > to drop connections
> > > > > > > > > > > > > when
> > > > > > > > > > > > > there is not enough files
> > > > > > > > > > > > > (network
> > > > > > > > > > > > > socket is a file)
> > > > > > > > > > > > > you can
> > > > > > > > > > > > > check the limit for
> > > > > > > > > > > > > current
> > > > > > > > > > > > > user using `ulimit -n`
> > > > > > > > > > > > > (`ulimi
> > > > > > > > > > > > > t -a` to see all limits)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > to check
> > > > > > > > > > > > > limit for `nobody`
> > > > > > > > > > > > > user
> > > > > > > > > > > > > `su nobody --shell /bin/bash
> > > > > > > > > > > > >
> > > > > > > > > > > > > --command "ulimit -n"`
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > to
> > > > > > > > > > > > > increase the limit i'm
> > > > > > > > > > > > > changin
> > > > > > > > > > > > > g `/etc/security/limits.conf`
> > > > > > > > > > > > > file
> > > > > > > > > > > > >
> > > > > > > > > > > > > https://github.com/openmeetings/openmeetings-docker/blob/48b72f4d0f38a0fab2021a0a2e4d6693c61c00be/scripts/om_euser.sh#L35
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > (seems to
> > > > > > > > > > > > > work at Ubuntu)
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Also are there any
> > > > > > > > > > > > > > other
> > > > > > > > > > > > > > things that can be tried to
> > > > > > > > > > > > > > impro
> > > > > > > > > > > > > > ve this
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > scalability? Are
> > > > > > > > > > > > > > there
> > > > > > > > > > > > > > areas in the code that can
> > > > > > > > > > > > > > be
> > > > > > > > > > > > > > examined to
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > investigate how to
> > > > > > > > > > > > > > impro
> > > > > > > > > > > > > > ve this?
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > KMS
> > > > > > > > > > > > > cluster would be ultimate
> > > > > > > > > > > > > solutio
> > > > > > > > > > > > > n, I guess
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Thanks,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > Dennis
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > --
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Best
> > > > > > > > > > > > > regards,
> > > > > > > > > > > > >
> > > > > > > > > > > > > Maxim
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > --
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > Best regards,
> > > > > > > > > > >
> > > > > > > > > > > Maxim
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Virus-free. www.avg.com
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Best regards,
> > > > > > > > >
> > > > > > > > > Maxim
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > >
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