When the Java process of the WEBGUI service uses more than the configured MEM_HIGH_MARK memory, it will automatically be restarted by Symphony to prevent high memory consumption on the PMC server.
As a best practice, MEM_HIGH_MARK should be set to greater than the Java maximum heap size. The default values are JAVA_OPTS= "-Xms512m -Xmx1024m" and MEM_HIGH_MARK=1536.
To increase the values of the Java memory settings, proceed as follows: