Increment in Red Hat Satellite tomcat/candlepin heap memory size is not reflected in the process after restart

Issue

• The heap size of the tomcat server in Red Hat Satellite 6.9 needs to be incremented for performance reasons.

• The configuration is done in file /etc/foreman-installer/custom-hiera.yaml like in the e.g:

  candlepin::java_opts: "-server -Xms8g -Xmx8g -XX:+UseParallelGC -XX:ParallelGCThreads=16"
  

• The configuration in custom-hiera.yaml is applied with the command satellite-installer

• After apply the changes, execute the command foreman-maintain services restart to restart the tomcat process and take the new values.

• The tomcat process still shows the old memory values, like in the e.g.:

  [root@server ~]# ps aux | grep tomcat
  tomcat    69934  191  2.1 16580756 2854988 ?    Ssl  19:42   3:59 /usr/lib/jvm/jre/bin/java -Xms4096m -Xmx4096m    -XX:+UseParallelGC -XX:ParallelGCThreads=20 -Djava.security.auth.login.config=/usr/share/tomcat/conf/login.config -classpath /usr/share/tomcat/bin/bootstrap.jar:/usr/share/tomcat/bin/tomcat-juli.jar:/usr/share/java/commons-daemon.jar -Dcatalina.base=/usr/share/tomcat -Dcatalina.home=/usr/share/tomcat -Djava.endorsed.dirs= -Djava.io.tmpdir=/var/cache/tomcat/temp -Djava.util.logging.config.file=/usr/share/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager org.apache.catalina.startup.Bootstrap start