Setup Initial Setup after ISO install (Java compatability issues crash elasticesearch) Comment out these lines in /usr/share/rock/roles/elasticsearch/templates/es-jvm.options.j2 a. #-XX: +UseConcMarkSweepGC b. #-XX:CMSInitiatingOccupancyFraction=75 c. #=XX: +UseCMSInitiatingOccupancyOnly