Java in a Container: Difference between revisions
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=Overview= | =Overview= | ||
When running java in a container, the max heap should always be set with -Xmx, based on the application needs and the container limits. | When running java in a container, the max heap should always be explicitly set with -Xmx, based on the application needs and the container limits. | ||
Java max heap limit can also be calculated based on the container limits. | Java max heap limit can also be calculated based on the container limits. | ||
Revision as of 23:21, 5 November 2019
External
- https://developers.redhat.com/blog/2017/03/14/java-inside-docker/
- https://blog.softwaremill.com/docker-support-in-new-java-8-finally-fd595df0ca54
- https://stackoverflow.com/questions/54292282/clarification-of-meaning-new-jvm-memory-parameters-initialrampercentage-and-minr/54297753#54297753
Internal
- Docker Container Best Practices
- Java Memory
- Kubernetes Resources Management Concepts
- Docker Resources Management Concepts
Overview
When running java in a container, the max heap should always be explicitly set with -Xmx, based on the application needs and the container limits.
Java max heap limit can also be calculated based on the container limits.
Generic script that correlates JVM memory settings to the container limits: