vanzin commented on issue #24962: [SPARK-28149][K8S] Added variable to disable negative DNS caching URL: https://github.com/apache/spark/pull/24962#issuecomment-515183028 Instead of trying to modify the java.security file, how about adding code in Spark to change the property programmatically? Seems like all you have to do is call: java.security.Security.setProperty("networkaddress.cache.negative.ttl" , "0"); Just need to add code so that is done during driver and executor startup somehow. Shouldn't be hard.
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