spark.ui.showConsoleProgress false
spark.dynamicAllocation.enabled true
spark.dynamicAllocation.shuffleTracking.enabled true
spark.dynamicAllocation.minExecutors 0
spark.dynamicAllocation.initialExecutors 1
spark.dynamicAllocation.maxExecutors 3
spark.dynamicAllocation.schedulerBacklogTimeout 1s
spark.dynamicAllocation.sustainedSchedulerBacklogTimeout 1s
spark.dynamicAllocation.executorIdleTimeout 5s
spark.executor.cores 1
spark.executor.memory 512m