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Code Block
languagebash
JAVA_HOME="/usr/lib/jvm/java-8-oracle"
JAVA_OPTS="-Djava.awt.headless=true -Xms384mXms1024m -Xmx768mXmx1536m -XX:+UseConcMarkSweepGCUseG1GC -XX:MaxGCPauseMillis=50"
ulimit -n 8192
Info

The execution of the ulimit command above increases/sets the open files limit for the Tomcat 7 service process. The common default value on *nix systems is 1024, which is quite often insufficient.

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Append the following lines to the file /usr/share/tomcat7/bin/setenv.sh:

Code Block
languagebash
JAVA_OPTS="$JAVA_OPTS -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv4Addresses=true"
CATALINA_OPTS="$CATALINA_OPTS -XX:MetaspaceSize=512m -XX:MaxMetaspaceSize=768m"
CATALINA_OPTS="$CATALINA_OPTS -Ddcdt.data.dir=<path to data directory> -Ddcdt.web.user.admin.secret=<admin console admin user password>"

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