I tried to stress test using https://om.alteametasoft.com:8443/  but
now I can only add one guest per client machine (if I try to add a
second, the first gets dropped). This is different than before. I have
3 laptops and 3 smart phones at my place so I can go up to 6 video
pods. Don't know how to get more.
Also I installed the snapshot on my Linode. I try to be very careful
with the upgrade process. Now when I navigate to [domain
name]:5443/openmeetings I get a 404 NotFound error. The logs don't seem
to give me any entries related to this. Any suggestions?
Dennis
On Sun, 2020-10-25 at 08:23 +0300, Ali Alhaidary wrote:
>     I also registered an hour ago, but got no email till now.
>       however, got the vitrification email for the next site...
> 
>     
>     On 10/25/20 7:36 AM, Maxim Solodovnik
>       wrote:
> 
>     
>     
> >       
> >       according to logs: email was sent without errors
> >         I manually activated your account
> >         you can login
> >       
> >       
> > 
> >       
> >         On Sun, 25 Oct 2020 at 11:20,
> >           dww <[email protected]> wrote:
> > 
> >         
> >         
> > > I
> > >           did, I am waiting on verification email
> > > 
> > >           
> > > 
> > >           On Sat, 2020-10-24 at 23:09 -0500, Denis Noctor wrote:
> > > 
> > >           > Simply register an account... getting confusing with
> > > all
> > >           the
> > > 
> > >           > “Denis’s” 😂
> > > 
> > >           > 
> > > 
> > >           > Sent from my iPhone
> > > 
> > >           > 
> > > 
> > >           > On Oct 24, 2020, at 2:51 PM, Dennis Worthem <
> > > [email protected]>
> > > 
> > >           > wrote:
> > > 
> > >           > 
> > > 
> > >           > > I saw those, but how do I request access?
> > > 
> > >           > > 
> > > 
> > >           > > 
> > > 
> > >           > > 
> > > 
> > >           > > Sent from my Sprint Samsung Galaxy S7 edge.
> > > 
> > >           > > 
> > > 
> > >           > > 
> > > 
> > >           > > -------- Original message --------
> > > 
> > >           > > From: Alvaro <[email protected]>
> > > 
> > >           > > Date: 10/24/20 2:12 PM (GMT-05:00)
> > > 
> > >           > > To: [email protected]
> > > 
> > >           > > Cc: Ali Alhaidary <[email protected]>
> > > 
> > >           > > Subject: Re: docker container clustering
> > > experiments
> > >           #1, Please
> > > 
> > >           > > respond
> > > 
> > >           > > 
> > > 
> > >           > > 
> > > 
> > >           > > 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
> > >           <
> > > 
> > >           > > > > [email protected]>
> > >           wrote:
> > > 
> > >           > > > > > Hi there Maxim... when a new build is
> > >           made... is this
> > > 
> > >           > > > > > automatically replicated on the OM
> > >           demo servers?
> > > 
> > >           > > > > > 
> > > 
> > >           > > > > 
> > > 
> > >           > > > > yep
> > > 
> > >           > > > > both 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 (
> > > 
> > >           > > > > > [email protected])...
> > >           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 rooms
> > > 
> > >           > > > > this gave me a hint
> > > 
> > >           > > > > hopefully in builds #115+ this will be
> > >           improved
> > > 
> > >           > > > > 
> > > 
> > >           > > > >  
> > > 
> > >           > > > > > Talk soon, Denis.
> > > 
> > >           > > > > > 
> > > 
> > >           > > > > > Sent from my iPhone
> > > 
> > >           > > > > > 
> > > 
> > >           > > > > > On Oct 23, 2020, at 4:55 AM, Maxim
> > >           Solodovnik <
> > > 
> > >           > > > > > [email protected]> 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 <
> > > 
> > >           > > > > > > [email protected]> 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 <
> > > 
> > >           > > > > > > > [email protected]> 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 <
> > > 
> > >           > > > > > > > > [email protected]> 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 <
> > > 
> > >           > > > > > > > > > [email protected]> 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 <
> > > 
> > >           > > > > > > > > > [email protected]> 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
> > >           <
> > > 
> > >           > > > > > > > > > [email protected]>
> > > 
> > >           > > > > > > > > >
> > >           >>>>>> 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
> >         
> >       
> >     
> 
>   
> 

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