Setting resources and limits should be coordinated with the JVM Heap
spec:
containers:
- name: guacamole-app
image: guacamole/guacamole:v1.1.0
resources:
requests:
memory: "64Mi"
cpu: "250m"
limits:
memory: "256Mi"
cpu: "750m"To increase the JVM memory allocation and thread stack size for Tomcat we need to inject some extra ENVS
export JAVA_OPTS="-Xms512M -Xmx1024M"
export CATALINA_OPTS="-Xms512M -Xmx1024M"The catalina.sh is launched from EXEC start.sh
##
## Starts Guacamole under Tomcat, replacing the current process with the
## Tomcat process. As the current process will be replaced, this MUST be the
## last function run within the script.
##
start_guacamole() {
# Install webapp
rm -Rf /usr/local/tomcat/webapps/${WEBAPP_CONTEXT:-guacamole}
ln -sf /opt/guacamole/guacamole.war /usr/local/tomcat/webapps/${WEBAPP_CONTEXT:-guacamole}.war
# Start tomcat
cd /usr/local/tomcat
exec catalina.sh run
}
start_guacamole