liupc opened a new pull request #23445: [SPARK-26530]Validate heartheat arguments in SparkSubmitArguments URL: https://github.com/apache/spark/pull/23445 ## What changes were proposed in this pull request? Currently, heartbeat related arguments is not validated in spark, so if these args are inproperly specified, the Application may run for a while and not failed until the max executor failures reached(especially with spark.dynamicAllocation.enabled=true), thus may incurs resources waste. This PR is to precheck these arguments in SparkSubmitArguments to fix this problem. ## How was this patch tested? NA-just validation changes Please review http://spark.apache.org/contributing.html before opening a pull request.
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