https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.1/html-single/using_jboss_eap_on_openshift_container_platform/index#jvm_garbage-collection-settings_assembly_configuring-the-jvm-to-run-your-eap-application

this doc claims that default value for
GC_CONTAINER_OPTIONS is -XX:-UseParallelGC while in fact it is the exact opposite -XX:+UseParallelGC

https://github.com/rh-openjdk/redhat-openjdk-containers/blob/ubi9/modules/jvm/artifacts/opt/jboss/container/java/jvm/java-default-options#L50