Recently moved the install from the 16.04 install to a new 18.04 server.  Everything is working as expected but I m noticing the memory usage has greatly expanded. Restarted the server on Saturday night.  No one uses the room till Monday morning. Memory usage on the reboot and starting OM4 memory was around 765MB normal.  Monday when I logged into the server it was up to 1.25GB.  Granted this is with no one using it or accessing it.  Monday normal usage 12-15 users (1 screen share 1 ic user), same on Tuesday.  Each day after everyone leaves the room and all "items" are stopped the usage has grown from the previous day.  Today before anyone gets in.  Memory now sitting @ 2.45GB.

root@om:~# ps -o pid,user,%mem,command ax | sort -b -k3 -r
  907 root     33.6 /usr/bin/java -Dred5.root=/opt/om4 -Djava.security.debug=failure -Xms1024m -Xmx4096m -Xverify:none -XX:+TieredCompilation -XX:+UseBiasedLocking -XX:InitialCodeCacheSize=8m -XX:ReservedCodeCacheSize=32m -Dorg.terracotta.quartz.skipUpdateCheck=true -XX:MaxMetaspaceSize=128m -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:ParallelGCThreads=2 -Dcatalina.home=/opt/om4 -Dcatalina.useNaming=true -Djava.library.path=/opt/om4/lib/native -Dpython.home=lib -cp /opt/om4/red5-service.jar:/opt/om4/conf: org.red5.server.Bootstrap 9999
  436 mysql     2.6 /usr/sbin/mysqld
   41 root      0.3 /lib/systemd/systemd-journald
14175 www-data  0.2 /usr/sbin/apache2 -k start

33.6% of 6GB vps.  As you can see the "options" set for the start-up.  I am going to let it run to see how high it creeps up, but was wondering if other had seen this issue with Ubuntu18.04.  On 16.04 I noticed it some but not on this rate of rise.

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