Hi there. I needed to make a clean install (OM 5 M4) before recording all 
changes and so on... but agree this might be a java process issue. Will set up 
another clean AWS instance setup with 5.0.1 most recent snapshot tomorrow, 
compare with current installation and report back tomorrow. Apart from 
Tomcat4... the only major installations changes I have noticed (not including 
improved UI and Android / IOS) improvements /  is the MySQL-connector-Java 
8.0.19 to 8.0.20 and “chown -R nobody:nogroup /opt/open501”... I haven’t used 
“nogroup” in previous installations / upgrades. Hope this makes sense. None of 
my current users use Mac / Safari etc. Talk soon. All the best, Denis.

Sent from my iPhone

> On Oct 5, 2020, at 12:45 AM, Ali Alhaidary <ali.alhaid...@the5stars.org> 
> wrote:
> 
> attached an updated (by me) copy of tomcat4, however, memory is not consumed 
> if OM started after a reboot (2G max for 3 classes, 5 students each, audio 
> only), but if multiple stop and start is done, all memory is consumed.
> 
>> On 10/5/20 3:27 AM, Maxim Solodovnik wrote:
>> 98% of RAM might be an issue
>> was the memory consumed by java process?
>> What are the `-Xmx` and `-Xms` parameters for OM?
>> 
>>> On Mon, 5 Oct 2020 at 01:29, Denis Noctor <denisnoc...@gmail.com> wrote:
>>> I experienced this after upgrading to a 5.0.1 snapshot and was about to 
>>> follow up a response to Maxim. Not at a computer at the moment but I 
>>> experienced exactly the same. I  am using Ubuntu 18.04 on AWS with 8 gigs 
>>> ram. When SSH’ing to my server (with only one user logged in (me) I noticed 
>>> RAM usage was 98%... 
>>> 
>>> I downgraded to OM 5 M4 and everything is fine again (but lack the 
>>> advantages of the snapshot upgrade)... RAM usage dropped a lot also... a 
>>> lot!
>>> 
>>> Will take some time to compare tomcat3 and tomcat4 on startup, folder 
>>> permissions and differences between OM 5 M4 and recent snapshot.
>>> 
>>> All the best,
>>> 
>>> Denis.
>>> 
>>> Sent from my iPhone
>>> 
>>> > On Oct 4, 2020, at 9:18 AM, Ali Alhaidary <ali.alhaid...@the5stars.org> 
>>> > wrote:
>>> > 
>>> > the following scenario is almost always happening:
>>> > 
>>> > 1. the user enters the room
>>> > 
>>> > 2. connection is not established (fails).
>>> > 
>>> > 3. the user turns his mic off.
>>> > 
>>> > 4. wait for few seconds.
>>> > 
>>> > 5 the user turns his mic on.
>>> > 
>>> > 6. connection to media server is established and keeps on even if the 
>>> > session went for hours.
>>> > 
>>> > Looking at log files, I could not locate any ERROR or java exception or 
>>> > WAR that I assume is related to this case.
>>> > 
>>> > Any idea of what is happening?
>>> > 
>> 
>> 
>> -- 
>> Best regards,
>> Maxim
> <tomcat4>

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