tomcat@ubuntu:/opt/apache-tomcat-ko-1.7/bin$ mount  |grep ram
tmpfs on /opt/ram type tmpfs (rw,size=5G)
tomcat@ubuntu:/opt/apache-tomcat-ko-1.7/bin$ grep ram /opt/config/infinispan.xml
					<connection-pool connection-url="jdbc:h2:file:/opt/ram/data/wastemanagment/casesdb;DB_CLOSE_DELAY=-1" username="sa" driver="org.h2.Driver" />
					<connection-pool connection-url="jdbc:h2:file:/opt/ram/data/wastemanagment/workflowsdb;DB_CLOSE_DELAY=-1" username="sa" driver="org.h2.Driver" />
tomcat@ubuntu:/opt/apache-tomcat-ko-1.7/bin$ ps aux|grep Xmx
tomcat   27674 93.5 16.7 62841704 1373564 pts/1 Sl  01:48   2:01 /opt/jdk1.8.0_74/bin/java -Djava.util.logging.config.file=/opt/apache-tomcat-ko-1.7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Duser.language=ru -Duser.country=RU -Dfile.encoding=UTF-8 -Duser.timezone=GST-3 -Xms2048m -Xmx4g -XX:PermSize=512m -XX:MaxPermSize=1024m -Djava.awt.headless=true -Xss384m -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:/opt/apache-tomcat-ko-1.7/logs/GC.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=13 -XX:GCLogFileSize=10M -Djava.endorsed.dirs=/opt/apache-tomcat-ko-1.7/endorsed -classpath /opt/apache-tomcat-ko-1.7/bin/bootstrap.jar:/opt/apache-tomcat-ko-1.7/bin/tomcat-juli.jar -Dcatalina.base=/opt/apache-tomcat-ko-1.7 -Dcatalina.home=/opt/apache-tomcat-ko-1.7 -Djava.io.tmpdir=/opt/apache-tomcat-ko-1.7/temp org.apache.catalina.startup.Bootstrap start