erikerlandson commented on issue #24962: [SPARK-28149][K8S] Added variable to disable negative DNS caching URL: https://github.com/apache/spark/pull/24962#issuecomment-510165855 @jlpedrosa I think the idiomatic way to do this (going forward) will be to: 1) specify java security modifications via a file, mounted as a configmap. 2) set the `-Djava.security.properties` via `--driver-java-options` Config map support is slated to be supported via user supplied YAML, see: https://issues.apache.org/jira/browse/SPARK-24434 This feature will land in 3.0, so I'd propose verifying that this can be done without new code starting with 3.0
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